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Marshall Museum---Mr. T's Collection

2011年10月20日 (木)

Marshall Museum --- Mr. T's Collection vol.24

Part IV
<Miscellaneous – From attachment to fake.  You ain’t seen nothing yet!!>

Item#63
MODEL : KT66
Dead stock of General Electric KT66.  The same valves used to be applied on JTM45.

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Item#61
MODEL : Madshell
No doubt, it is a copy of Marshall!!  It has even casters.  The name is nice!  There used to be ”Marsnall” as well in 80's.

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It has two speaker output and headphone jack.

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Item#62
MODEL                   : MASTER VOLUME 50W
SERIAL NUMBER : 1983J

A copy product.

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The control section is dead copy but the position of input “High” and “Low” is reverse.
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The rear panel.

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The inside is really humble.  The Marshall logo sticker on the capacitor is painful effort!!
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The sign of  ”JIM MARSHALL PRODUCTS” is steadily printed.
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Thank you very much for your spport for a lomg time.

The End

Special thanks to Mr. Keishi Kawakami (Superviser)

2011年9月 5日 (月)

Marshall Museum --- Mr. T's Collection vol.23

Item#59
MODEL: 2045
SERIAL NUMBER : 01342

2x12" cabinet for Bass & Organ which was made from 1972 - 1976.  A shallow type cabinet and the dimension is W73.5cm×H60.0cm×D23.5cm。

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Item#60
MODEL                   : 1991
SERIAL NUMBER : 2188

Column speaker for PA around 1965.  This is the former model before it is formally named “1991”. The combination of gray fret cloth and the gold block logo is nice again.  The size if for 4 x 8” but no speaker is mounted.
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Item#61
MODEL                   : 1917
SERIAL NUMBER : 9979

The column speaker sold together with PA20.  Circa 1966 – 1967.

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This has two of 10” speakers and they seem to be Celestion Alnico but the label is not attached it may show.

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Item#62
MODEL                   : Unknown
SERIAL NUMBER : SL/A07123K

1×15" cabinet for Lead and Organ in 1978.  Power cell 15 speaker is mounted.  Mr.T has B cabinet too.
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To Be Continued...

Marshall Museum --- Mr. T's Collection vol.22

Item#55
MODEL                   : Unknown
SERIAL NUMBER : 44589

Now the cabinet for 2061, 2061CX has been reissued.  But the original one is almost gone.  Everybody says that nobody has seen it.  With the size, Salt & Pepper fret cloth, we thought 2061 cabinet had been discovered but it was 4x12”.  There is no handle on the side and it is mounted on the top different from 1960 in those days and the current 2061CX.  (This cabinet is the one combined with the PA20)

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Celestion  T652 is loaded.
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Item#56

MODEL                  : 1983

SERIAL NUMBER : Not Confirmed
Circa 1965 column speakers for PA.  It seems to be a combination of the coffin logo and the new fret cloth.

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Item#57
MODEL                   : 1960
SERIAL NUMBER : 9840

4x12” around 1965 to 1966.  The speaker is changed with Celestion Greenback made in later year.

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Item#58
MODEL                   : 1988(?)
SERIAL NUMBER : 1025

1×18" cabinet!!  With the white fret cloth and gold block logo.  Around 1965.  There were some cabinets for bass such as 1980, 1988 though, this has different specification from other bass cabinets. So it was impossible to recognize the model number.  Anyway heavy!!

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The block logo and white fret cloth is so attractive.
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The side view.  It has three handles.

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Enlarged photo of the input jack.

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Enlarged photo of the input jack.

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Speaker was replaced with later unit.  It says Celestion G18C、60W、15Ω、Bass Resonance 35c/s.

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2x12” cabinet for Lead, Bass and Organ around 1972 –1976.  The dimension is thin,  W73.5cm×H60.0cm×D23.5cm.

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To Be Continued...

Marshall Museum --- Mr. T's Collection vol.21

PART III
<Historically Marshall has released various speaker cabinets.  And there is no relation between the model number and the specification.  So it is really tough to recognize the models.  We tried to identify the models as correctable as we can, however, please understand that much ambiguity may be still included.>

Item#51
MODEL                   : 1983
SERIAL NUMBER : 1091&1089

2 x 12” Column speakers for JTM45PA.  1963-1964 made.

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The white fret cloth was applied between 1962 and 1965.  The combination with the gold block logo looks really beautiful!

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The back is half opened.  Speaker is Celestion G12T652 ALNICO.

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The address shown is the place where Jim Marshall’s shop was.  The products manufactured between September 1962 and middle of 1964 had this address on the label.

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Item#52
MODEL: 1935
SERIAL NUMBER : A⇒33829、B⇒34438

Cabinet for bass made around 1967 – 1970.  Mr.T got this from the store in England impulsively. His favorite.  The large logo was changed afterwards.
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There is a plate of the store which sold this originally.  It says “Supplied By Russell Acott  High St., Oxford”.  In addition to that it has the original serial number, A is 36098 and B is 36095.

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The rear panel.

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Item#53
MODEL                   : 1990
SERIAL NUMBER : 7177


80W, 8×10" cabinet.  They say Marshall started manufacturing 1990 from 1967 though, this should be a kind of a trial products with the gray fret cloth and leather strap.  Very rare.

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Item#54
MODEL                   : Unknown
SERIAL NUMBER : 44421

8×12" cabinet.  As the fret cloth is Salt & Pepper, it seems to be made around 1968 – 1973.  But it remains on the record.  Maybe one shot run product.  The logo was changed with new one.  I wanted to see the inside but I was unable to move it.  The forbidden 8x12”!

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To Be Continued...

Marshall Museum --- Mr. T's Collection vol.20

Item#49
MODEL                    : 1917
SERIAL NUMBER of Cabinet:A00168

The set cabinet with PA20.  It is the last version of 1917 which was sold until 1973.

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The speaker cabinet for PA20.  It distort nicely.  So it works well as a guitar amp.

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The back view.  The structure is half open.
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The model number is 1917 according to the plaque.

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It has feets on the side and the design is asymmetric.  When they are stacked, it looks this.

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Removing the half of the rear panel.

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Speaker is 13 X 8cm oval.

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Item#50
MODEL: Mini-Mixer
SERIAL NUMBER : A14476

6 channel powered mixer.
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Real wood material is applied at the both ends.

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The Marshall logo on the back looks dignified.

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To Be Continued...

Marshall Museum --- Mr. T's Collection vol.19

Item#46
MODEL                   : Unknown
SERIAL NUMBER : None

Same specification as 100W PARK made by Marshall in the middle of 70’s.  Fairly rare.  It was impossible to even recognize the model name because of lack of the record.

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Item#47
MODEL                   : Silver Jubilee 25-50 
SERIAL NUMBER : V16289

Marshall sold this micro stack silver jubilee special 3005 only in 1987 for their 25th anniversary. 12W,1 x 10” cabinets.

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Item#48
MODEL                   : 2020
SERIAL NUMBER : 39927

Reverb unit made between 1968 and early 1970.  Another model with fuzz was called 2021.  The same design as the 20W head for PA launched the previous year.

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Simple control with just DEPTH and TONE.

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The inside of the unit. (just remove the rear panel)  It seems to have just a reverb unit.  It works by solid state.
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To Be continued...

2011年8月29日 (月)

Marshall Museum --- Mr. T's Collection vol.18

Item#43
MODEL                   : Kitchen-Marshall  JTM45
SERIAL NUMBER : 10161

The block logo sign on the Plexi panel is really attractive.  Cool!  All Kitchen-Marshall are remarkably rare.  The control panel is “reverse logo” that the final era of JTM45 as same as the former one.

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Item#44
MODEL                   : Kitchen-Marshall JTM45 MKII
SERIAL NUMBER : Head:1678, Cabnet:6897

Mr.T got this Kitchen-Marshall from the store in England when he focused on wired models.  CelestionG12M-20 are mounted.  The specification of control panel is one generation older than the former two models.

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The input jack seems to be changed.

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The block logo looks beautiful on the gray Bluesbreaker fret cloth.

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The rear panel.

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Item#45
MODEL                   : 1037 (LEAD AND BASS)
SERIAL NUMBER : 10311

CMI(Cleartone Musical Instruments) was the company which sold PARK.  And this “CMI” is the own brand the company.  It was a cheaper version of Marshall and PARK but not successful.

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The rear panel.  It has the point-to-point circuit and was close design to Marshall.

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To Be Continued...

Marshall Museum --- Mr. T's Collection vol.17

Item#40 (Part of Item#39)

MODEL                   : 2205 Slave100
SERIAL NUMBER : 014

The power amp for the turntable.  The Slave amp for the Disco Unit was 1994.

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Enlarged photo for the control section.  It can be linked to the next Slave.

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The view of rear panel of 2205.

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One of the cabinets Mr.T got together with the Disco Units.  The serial number is recognized as 59661 though, the name of model is unknown.  Two of 12” speakers are placed vertically.

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Item#41
MODEL                   : TREMOLO 100W
SERIAL NUMBER : 016

Marshall manufactured different name Marshall by a request from musical instrument shop in London in 1974.  Marshall decided to name it after Jim’s right hand man, Ken Bran.  But it was named as the back words of Bran “NARB” in order to differentiate it from the similar name of serial in those days.  There was no major difference from Marshall products in terms of the circuit but NARB had the tremolo.  Marshall did not have models with tremolo at that time. that time.

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The exiastence of NARB is very few.  They say there are less than 50 units.  The sign of “MADE IN ENGLAND BY NARB ELECTRONICS”.  Mr.T says, “I was really happy when I got it because this was the very first NARB”.  It is no wonder he was pleased with that…it is extraordinary rare!!

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Item#42
MODEL                   : Kitchen-Marshall  JTM45
SERIAL NUMBER : 10402

Kitchen-Marshall is a special brand that Marshall established for an important shop for Marshall in Leeds in 1966.  Main products were PA amp but they manufactured some guitar amps.  There is no models like this which has gray fret cloth at upper half of the front panel but this.

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."J.T.M." logo is put next to the mains switch.

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The rear panel.

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EL34s are loaded as the power valve.  Rectifier valve is still recognized.

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To Be continued...

Marshall Museum --- Mr. T's Collection vol.16

Item#37
MODEL                   : PARK 1001PA
SERIAL NUMBER : 1021

75W head for PA.  This Park was made between 1972 and 1975.  The 2 valves are KT88.  Mr.T fell in love with the appearance and got it from the Hawaii shop.  It is far lighter that it looks.

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Enlarged photo of the input section.  It is different from Marshall products, the volumes are coupled with each channel.  CHANNEL II knob seems to be changed.

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The rear panel.

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Item#38
MODEL                   : 250W Bass
SERIAL NUMBER : 5031E

250W, solid state amp for bass.  This was a trial product and was not launched formally.

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The ex-owner was Roger Glover of Deep Purple!!

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The rear panel.

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Item#39
MOODEL                : Disco Units   1993 Turntable
SERIAL NUMBER : Not confirmed

Marshall launched very few units in 1974 and got reputation, however, Marshall gave up to manufacture this.  Because Marshall had to concentrate on amp manufacturing due to the factory capacity.  Other manufacturer jumped at this idea.  Of course, very rare. 

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The different turntables are mounted.  The cushion works very well and absorbs shock.

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Enlarged photo of Input & Output section.  Microphone and external audio equipment can be applied.It was real DJ unit!!

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Faders.  The purpose for the two holes at the center is unknown.

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Distinctly the sign of “Jim Marshall Products LTD.” Is printed.  Also there is a sign for notation fuse “120V”.  This means the United States market maybe came into Marshall’s  view.

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To Be continued...

Marshall Museum --- Mr. T's Collection vol.15

Item#33
MODEL                   : PA20
SERIAL NUMBER : 8960

20W for PA in very early era and seems to be built in 1967 or 1968.  It was sold under the name of ”1917” at the set of 2 column speakers.  This size is Mr.T’s favorite.

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The front panel is used for both mains and speakers. 

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There is nothing on the rear panel.

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The inside of the amp.  2 x EL84 and 2 x ECC83 are applied.

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Item#34
MODEL

Head : 1917、Cabinet :Unknown

SERIAL NUMBER

Head : 2326D、Cabinet :Not confirmed

1917 for PA, it used to be sold at the combination with 2022 (2019 for bass).  Mr.T got the head and the cabinet separately and combine them.  The speaker configuration is 4 x 10”.

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The control section.  The layout is changed from 1960’s models.

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The rear panel.  Devices for mains and speaker output moved to rear panel from front.

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Item#35
MODEL                   : 1216
SERIAL NUMBER : 385

Park  50W head for bass.  This is the first Park for Mr.T.  He says it sounds just like 70’s Marshall. It has the same circuit as 1986 Bass 20 W.  He got it from the MI store in Hawaii.

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The rear panel.  The layout and the shape of back panel is different from other common model at that time.

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The plaque on the rear panel.  The model name and serial number are typed.  Below them, the sign of “C.M.I. LTD. Bletchley, England” is shown.(Bletchley is the place where Marshall factory is located)It can be used in the United States with 110V.

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The inside of the amp.  2 x Groove Tube EL34 are installed.

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Item#36
MODEL                   : PARK 1230 8W Guitar Practice Combo
SERIAL NUMBER : Not confirmed

8W solid state combo made between 1977 and 1982.  The feature is the 3 way inputs.

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The plaque on the back.  Of course, it is different from ‘90s one and this “Park” was made in England.

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To Be Continued...

Marshall Museum --- Mr. T's Collection vol.14

Item#30
MODEL                   : 2001 BASS
SERIAL NUMBER : 01958N

The heaviest bass amp head in the Marshall history!  It was launched as bass range of JCM800 in 1981.  The valve configuration is 8 x 6550, 2 x ECC83 and 3 x ECC81 and it boasted the 375W power!  Now it is one of the ultimate rare items in Japan.  Watch out your back!!

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It has 2 channels and Channel A has the mid frequency selector.  Also it has channel switching/mixing system though, it seemed to be premature at that time.

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The inside of  2001.  Look at the gigantic transformer!!  Pre valves are installed beyond the power valves.

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The rear panel.  The reliable 3 pins jack was applied for speaker output.

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Item#31
MOEEL                   : 2068
SERIAL NUMBER : 1728F

1974  made.  Another name is “Artist”.  It was manufactured between 1971 and 1978.  Mr.T obtained it from a music instrument shop in Hawaii.  His impression is that it is not like Marshall because rarely it has the reverb in this era and the sound is very clean.
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Around the mains switch.  There is no sign left to the switch.

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Whole chassis.  A reverb unit is installed above.  Power valves are 4 x 6L6.  Mains socket is changed.

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Left to the footswitch jack and the jack at the end left is installed afterward.  Maybe the former owner lost the original footswitch and modified it so that he can use other common footswitch.

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Item#32
MODEL                   : 2022 (TREMOLO 20)
SERIAL NUMBER : 2806A

A brother of the now reissued 2061X.  This has tremolo.  It was manufactured between 1968 and 1973 and sold at set with the cabinet.

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This is the different part from 2061X, tremolo control.

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Whole rear panel.

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To be continued...

Marshall Museum --- Mr. T's Collection vol.13

Item#28
MODEL                   : 1967
SERIAL NUMBER : A0444C

Major 200W head which got famous by Ritchie Blackmore use.  It used to be manufacture between 1968 and 1974.  This is 1971 made for England domestic use.
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As the chassis is installed little too left, “J” for “JMP” sign is perfectly hidden.

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The rear panel.

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Whole view of the chassis.  The sound is fat and clear.  Due to the loudness, it is impossible to turn up the volume at the level for distortion sound.

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The power valves are changed with 6550.  The output transformer is also enormous.

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Item#29
MODEL                   : 1978
SERIAL NUMBER : /A4801

Major for bass.  Made in 1973.  Cabinet is 1979.  This is the same model played by Noel Honda of Shigeo Rollover.  Huge anyway!

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The black logo looks very impressive.  This was for the United States with the polarity switch.

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Its rear panel.

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The valves configuration is 4 x KT88 and 3 x EC83.  Even it was made in the “metal front era” though, mains transformer is laid because it is bigger than 100W’s transformer.

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The cabinet, 1979.  4×15”!!  The serial number is A31701.  The dimension is so big, W99cm×H89cm×D39.5cm. (the width of ordinary 4x12” is 76cm!) The speakers are reloaded.
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Input is 200W.  The label mentions the rule of warranty.

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To be continued...

Marshall Museum --- Mr. T's Collection vol.12

Part II
<Premises – Rarer Marshalls>
The collection introduced so far is precious items which we cannot get easily now.
As you can see in other pages, Marshall has “Marshall Museum” in their factory.  But there are many  items in the Part II that you cannot see at the Marshall museum.  Please don’t miss it and enjoy!

Item#24
Model               : Capri
Serial Number : None

5W, full valve.  It was manufactured between 1966 and 1967 and sold through mail order.  It is interesting to apply the white fret cloth which was already discontinued with other models around 1965.

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The back view.  The rear lid is made of very thin plywood and it only have two holes for ventilation and mains lead.

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The inside of the amp.  The speaker is Celestion made.  In "The History of Marshall" introduces Capri as 1×8" though, this is 2 x 6.5” version.  Also the book says it is “only 100 being built” but it is not sure if this 2 x 6.5” version is included.
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Enlarged photo of the circuit.  Of course, it is point-to-point wiring.  The valves are ECC83 and EL84。

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Item#25
Model               : Kitchen Capri
Serial Number : None

Imported from England by air.  Capri under the name of Kitchen!

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Enlarged photo of the plaque.

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Item#26
Model               : Capri & Kitchen Capri
Serial Number : None

Group photo of Capri!
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Item#27
Model               : 2060 Mercury
Serial Number : 58226

Mercury was sold through mail order between early 1972 and the end of 1973.  Red and orange were available.  Mr.T got it from the friend in England.  Since it had been a sought after item, he overjoyed when he got it.

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The circuit is hybrid.  Transistor pre amp and EL84 at valve power stage.  5Wrms and 1 x 12”.

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“2060” is shown on the badge as stock number.

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To be continued...

Marshall Museum --- Mr. T's Collection vol.11

Item#22
Model               : 4140
Serial Number : 00861N

100W separated 2 ch 2 x 12 combo 4140.  This nicknamed “Club & Country” was manufactured between 1978 and 1982.  It has KT77 on the power amp section and was designed for clean sound according to the nickname.  At its early era, it was called “Reverb Twin” and it is easily to assume the target!

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The rear panel of this model.

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The brown covering is so called “Brown Oak” and the fret cloth is the straw colour.

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Item#23
Model               : 6100
Serial Number : None

6100 is the model which celebrates Marshall’s 30th anniversary.  Independent three channels with 7 pre valves.  But Mr.T’s 6100 is not an ordinary one.  This is a proto type model which was displayed at NAMM show in 1992.  That is why this amp does not have any serial number.  The covering is blue.
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The rear panel.  It really looks an ordinary 6100. As Marshall usually build very few proto type, this is very rare.

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To be continued to Part II which collects rarer items.

Marshall Museum --- Mr. T's Collection vol.10

Item#19.5
MODEL                   : 1958
SERIAL NUMBER : 29615

20W, 2 x 10” combo, 1958 used to be built between 1968 and 1973.  The fret cloth which covers entire front panel looks really cool!  Marshall had some similar models which had full faced fret cloth such as 2159 (1974 - 1981) and 2187 (1977 -1981).  2159 is the combo version of 1959 and 2187 is based on 1987, however, almost none of them semed to be imported to Japan.

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The control panel.  The configuration is same as the current reissued 1974X though, this 1958 had the aluminum panel.

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The inside of the amp.  Looks fully original, however, the sole pre valve is mysterious.

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Enlarged photo of the circuit.

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Item#20
MODEL                   : 2203
SERIAL NUMBER : Not confirmed

2203 before JCM800 range was born.  This type was manufactured between 1975 and 1981 followed by JCM800 range.  The three switches consist of mains, sstandby and polarity.  Mounting the rocker switch started from around 1976.
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The output transformer.  This is the export model which has EL34 though, 6550 was installed on the products for the United Stated.

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Item#21
MODEL                   : 2203 1995 Limited Edition
SERIAL NUMBER : Not confirmed

Limited 2203 which was reissued in 1995 after discontinuance.  Of course, Mr.T owns the full stack version.  The orange elephant grain is really attractive.

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To be continued...

2009年6月 6日 (土)

Marshall Museum --- Mr. T's Collection vol.9

Item#17
MODEL                   : 1987
SERIAL NUMBER : S/A5849C

1971 made.  Mr.T has any special emotion on this though, he loves the colour.  He is going to restore and actually play it on the stage in the near future.  In fact, it has importance that only things go through many hardships of life.  The mains socket is changed.

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There is a trace for any modification next to mains switch.  There might used to be a polarity switch.

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Item#18
MODEL                   : 1962
SERIAL NUMBER : 7474

Bluesbreaker made in 1965 or 1966.  1962 in this era had large cabinet.  The size is W81.5cm×H59cm×D27cm. (current size is W74.0cmxH60cmxD26.5cm)Dsc_0202_2

The original Celestion  G12M-25 Greenbacks are mounted by hand wiring.  The sign of “SUPER TREMOLO AMPLIFIER” is shown.

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The control is same as the current 1962.  The circuit is same as 1987T.

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Item#19
MODEL                   : 1962 35th Anniversary
SERIAL NUMBER : 確認せず

Limited Bluesbreaker on the 35th anniversary. 
5 years after, Marshall limitedly manufactured the white Bluesbreaker on their 40th anniversary in association with the famous car manufacturing company Jaguar.  The covering pure leather was made by Jaguar, point-to-point circuit and gold parts were applied on that.  And some units were contributed to Eric Clapton, Gary Moore, Zakk Wylde and so on as expression of thak from Marshall.  And another 40 units were manufactured for world market.  They were sold through lottery on Marshall web site and luckily a Japanese player got one unit.
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To Be Continued...

2009年5月 6日 (水)

Marshall Museum --- Mr. T's Collection vol.8

Item#14
MODEL                   : 1959 Dummy
SERIAL NUMBER : None
A dummy head owned by a blank famous foreign guitarist.  Vivid orange elephant grain with no center piping.  The mains lamp works with 9V dry battery.  Mr.T has two units.

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Item#15
MODEL                   :1959
SERIAL NUMBER : SL/A4032E

Made in 1973.  Mr.T got it with a cabinet at a favorite recycle shop at very cheap price.  He thought it was a blessing!  The original owner wrote the date when he got this amp, as “29 November , 1973”. The black logo was only applied to the white covering model in those days.

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Mr.T got Jim Marshall’s autograph when he visited in 1992.

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It has 4 speaker outputs for using at huge venue.

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All speaker outputs are actually connected.

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Of course it has point-to-point circuit.  Marshall finished this method around 1971, however, there are some products manufactured later than 1971 have the point-to-point circuit due to Marshall stock.

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Taken out chassis.  The mains transformer is vertical type which came out after the “metal front” era.

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Marshall logo is printed on the EL34.  These are the original valves!

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Item#16
MODEL                   :1987
SERIAL NUMBER : S/A5453A
1987 with the small cabinet in 1969 or 1970.  Very early products in the “metal plate” era.The blue covering is rare.

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Jim’s autograph.  Mr.T got it when Jim came over to Japan in 1992.  The usage of the left end knob is unknown.  Maybe master volume?

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It has the “lay down transformer” same as the Plexi models.

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The 1970 made point-to-point circuit is fully original!

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To Be Continued...

2009年5月 5日 (火)

Marshall Museum --- Mr. T's Collection vol.7

Item#13
MODEL                 :1959&1982A
SERIAL NUMBER:12096&31502
This is the real one of the white half stack which is shown on the front cover of "The History of Marshall".  Made in '68.  It is in Japan!  Mr.T got it from a collector in the United States.  As soon as he find this on a list, he thought he had better get it.  It was expensive but fully original. Of course, he owns the base cabinet, 1982B.

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The rear panel.  This is for export and did not have the voltage selector. 

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In those days, the products had the badge on the rear panel.  But the model name is not printed.
The notation of “110V” shows that this was for export.   As the colour model, this is very early model.
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The inside of the amp.  3 x ECC83 and 4 x EL34.  Same as current 100W vintage model.Dsc_0088

Stopper for the power valve.

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Feet for the amp head.  It used to be half-ball shape.

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The circuit is point-to-point wiring.  Fully original except some capacitors.

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Birds-eye view of the chassis.  The “Lay down transformer” is the evidence for the Plexi Marshall.

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The caster of the speaker cabinet.  It has the stopper!

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Enlarged photo of the input jack on the speaker cabinet.  The jack used to be located very low. The badge below the jack shows the serial number and model name.

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Installed speaker is Celestion G12H-30 Greenback.  Labeled G12H-30 is rare in this era.  Speaker is directly wired.

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To Be Continued...

2009年5月 4日 (月)

Marshall Museum --- Mr. T's Collection vol.6

Item#10
MODEL                  :1987T JTM45 MKIV
SERIAL NUMBER:7515
With tremolo.  That means it has the same circuit as 1962 Bluesbreaker.  Around ’66 made.  In those days, Marshall gave the name of “MKIV” to all tremolo models.

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It has extra pre valve for the tremolo.  Of course, the footswitch jack is for tremolo, however, almost no one can see the original footswitch.

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Item#11
MODEL                  :JTM45/100 SUPER PA AMPLIFIER
SERIAL NUMBER:6508

For PA.  The real one of JTM45/100 shown on the 33 page of Mike Doyle’s “The History of Marshall”.  Pete Townshend originally owned it.  Made in 1965.  This amp was used for reference when Marshall reissued the JTM45/100 in 2006.  Marshall put Mr.T’s name in “Special Thanks” on the handbook as well as Pete and John Entwistle and others for expression for their thank.  Mr.T also owns the reissued JTM45/100 of course.  And his evaluation to the reissued one is excellent!!

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The front panel.  The reason it had the different panel is someone changed the panel.  The cabinet is not original.

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The inside of the amp.  It has a pair of the output transformer for the 4 power valves.

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A huge mains transformer.  Marshall completely re-create this transformer for the reissued JTM45/100.

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The two output transformers.

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With one look, the covering looks the ordinary Black Levant though, once it was put under the light, it is in deep green.

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Item#12
MODEL                  :JTM45 Bass (1986)
SERIAL NUMBER:2301
A rare JTM45 with the white panel with “Gold Block Logo” before the gold Plexi panel era. Around1965.The switch and knobs are changed.

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The changed knobs are unfamiliar on other models.

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Bass amp of JTM45 range is 1986.  6L6 is applied for the power valve.

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To Be Continued...

2009年5月 3日 (日)

Marshall Museum --- Mr. T's Collection vol.5

Item #7
MODEL                  :JTM45
SERIAL NUMBER:1681

Around '65-‘66 made.  The final version of JTM45.  Since it rapidly turned into JTM50 or JMP, in fact, JTM45 with the script logo is rare.  Mr.T got it early 90’s.  After overhaul, the sound got far better.

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In this “script” era, the impedance selector and the voltage selector are installed outside of the chassis, it became very practical.  The outlet at the left bottom is unknown.  The rectifier was changed with 5U4G and Groove Tube  EL34s are installed.

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Enlarged photo for the impedance selector and voltage selector.

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”The cast aluminum end block” for reinforcing the aluminum chassis.  It was used on JTM in the middle of 60’s.

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Item #8
MODEL                  :1963 JTM50 MKIII
SERIAL NUMBER:PA6597

The precious wide version of PA amp head with “Gold block logo”.  4 channel JTM50PA came out in 1965 firstly.  It had the silver face with black pointer knobs. 

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The rear panel.  The model name, “Super P.A. Amplifier” is shown on the left.

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The inside of the amp.  4 pre valves.  When the era went into JTM50, Marshall started using EL34.  The impedance is on the top of output transformer.

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Item #9
MODEL       :JTM45 MKII
SERIAL NUMBER:7425

Details unknown.  It seems that the chassis of “script logo era” around '66 is installed in the wide cabinet made later.

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To Be Continued...

2009年5月 2日 (土)

Marshall Museum --- Mr. T's Collection vol.4

Item #5
MODEL                   :JTM45
SERIAL NUMBER :1507
Mr.T found this “Block Logo JTM45” in the predecessor of "The History of Marshall".  He was really impressed with the outstanding appearance and decided to get it. And finally he got it.  Around ’64–’65 made, the fifth generation of JTM45 in terms of cosmetic history.  The thick gold brass piping looks cool!  At the time When Marshall used script logo, this brass piping was discontinued.Dsc_0056

Mains and speaker output section.  Really simple.  Around 1964 when Marshall adopted the white rear panel, printed characters on the rear panel started.  It had two speaker outputs because of PA amp.  In those days, Marshall actively manufactured PA equipments which has pure clear sound, non distortion!! Dsc_0057

This amp is for PA though, Mr.T really wanted a block logo model and got it.  Actually it distorts nicely with guitar.  The power valves have been changed with Groove Tube 6L6. Dsc_0058

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Item #6
MODEL                  :JTM45PA
SERIAL NUMBER:1014

Mr.T got this from a friend in Japan.  “It does not sound really good.  But I remember I was very glad when I got it because it was the first 60’s Marshall in my collection life”, he said.  The combination with the silver block logo is very rare.  Marshall might built very few units for particular shops only.

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The Indicator and knobs were changed.

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The inside of the amp.  European version was converteded into American specification and the mains inlet was changed.  Also the power valves were changed with EL34.

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To Be Continued...

2009年2月15日 (日)

Marshall Museum --- Mr. T's Collection vol.3

Item #4

MODEL       :JTM45
SERIAL NUMBER :None
Appears to have been produced around 1963. Mr. T found this amp in an article in a Japanese magazine featuring “Musical Instrument Stores in London.” He dropped a line to the shop on Denmark Street in London and obtained it. At last we can see the “JTM45” logo. The front panel, which is referred to as “the Sandwich Front,” is the third generation of JTM45 amps. The polarity switch disappeared, and Marshall started using “LOUDNESS” instead of “VOLUME.” The sound is very mild. It is almost completely in its original state.

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Enlarged photo of the voltage selector on the RS mains transformer. This selector was necessary since there were different voltages in the UK depending on the region.

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The inside of the amp. The left jack appears to have been installed afterwards.

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The installed valves. From left to right: KT66 power valve, ECC83 pre-amp valve, GZ34 rectifier valve.

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The circuit. It is, of course, point-to-point wiring. It is almost completely in its original state. There is no modification.

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The inside of the amp. The transformer on the right has a voltage selector on the top. 12AY7 is installed at V2 (the second pre-amp valve from the left). The former owner may have exchanged it to reduce distortion.

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To Be Continued....

2009年2月14日 (土)

Marshall Museum --- Mr. T's Collection vol.2

Item#2

MODEL       :JTM45
SERIAL NUMBER:1013PA
For PA. Made circa ’62. This is the actual bare JTM45 that was placed in front of the wall of JTM45 amps in the photo shown on page 99 of Mike Doyle’s “The History of Marshall.” Two knobs have been replaced. Mr. got this from a collector in Los Angeles. He says, “I was burning with a sense of mission to collect Marshall amps made in this era.” Thanks, Mr. T! His sense of mission makes Japan one of the major Marshall-collecting powers in the world. The height is different from the former Offset.

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The rear panel. In accordance with the height of the cabinet, the width of the panel is wider than the former JTM45.

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The inside of the amp. The power valves were pulled out in the second photo to show the inside. The power valves were replaced with 7581 (6L6).

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The installed valves. The ECC83 pre-amp valve and GZ34 rectifier valve are original Mullard valves. The power valves on the left are Philips 7581 valves, which were replaced.

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The chassis of the amp. On the right is the GZ34 rectifier valve. The mains transformer in these days had a voltage selector on the top.

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Item#3

MODEL       :JTM45
SERIAL NUMBER:None
This is a so-called “White Front” that was made before the JTM45 logo was placed on the front. The specifications are the same as the Offset except for the cabinet. However, the knobs seem to have been replaced. Mr. T got this from a Japanese friend in London. This is an unforgettable Marshall for him because it was his first coffin logo model. The output transformer has been removed and is presently being restored.

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There is Jim Marshall’s autograph on the rear panel. Mr. T got it when Jim visited Japan in 1990. It has two loudspeaker outputs because it was a PA amp.

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To Be Continued.....

2009年1月31日 (土)

Marshall Museum --- Mr. T's Collection vol.1

Mr. T’s Collection

<About the collection>
     Mr. T, who lives in the Chugoku region of Japan, has collected Marshall products and various other types of musical equipment over a long period of time. He owns not only Marshalls but also other amps, as well as countless guitars, catalogs, CDs, LPs, cartoon hero goods, etc.
     He came across a vintage Marshall on his honeymoon and fell in love with vintage amps. He went on to deepen his love for the amps – as well as his wife. Now he is the proud owner of a massive collection that would even surprise Marshall in England with its variety. When Marshall reissued the JTM45/100 in 2006, one of the items in his collection was chosen as a reference.
     His dream is to establish a museum for his Marshall collection and other rock items. No doubt the dream will come true soon.
     As a precursor to this museum, we at Yamaha Music Trading Corporation, the Marshall distributor in Japan, have decided to display the collection on the Japanese Marshall website with the blessing of Mr. T. We wanted to let the world know about the existence of such a great collector and collection as soon as possible.
     Mr. T is not involved in the music industry at all. Therefore the collection did not form naturally or unconsciously “through the business” or “as a result of various items that people gave.” Mr. T. has economic constraints, and so time and time again he regretted not being able to add important items to the collection. In other words, each and every item was examined and selected carefully and the collection is the product of Mr. T's passion.  He collects the items not in the business basis and did not restore almost all of them by force so that he can treat the items as merchandize.  This makes every item tells a story. 
     We sincerely hope that you will enjoy Mr. T's collection through these pages.
     Although we closely studied the items one by one, we could not even determine the name of the model for some of them. Please understand that the aim of this site is to exhibit Mr. T’s collection, not to compile an encyclopedia of Marshall.
     Mr. T’s collection has not ended. There are some items we cannot carry at this time due to time restrictions and the collection is expanding steadily even as we edit these pages. Please look forward to future developments.
   
* Mr. T’s collection is not a commercial enterprise. Therefore we will not accept any offers to sell, buy, or refer items with regard to the collection nor will we disclose any personal information concerning Mr. T.

* Basically the texts explain the photos below.

Part I
<In Part I, Vintage items that built the history of Marshall are exhibited, featuring the JTM45 collection>

Item #1

MODEL        : JTM45
SERIAL NUMBER : NONE
'Made in 1962. Original model of the so-called “Offset.” This is the actual JTM45 shown on page 98 of Mike Doyle’s “The History of Marshall.” Mr. T got it in the early 90’s. It appears to be the oldest JTM45 in Japan. This was a prototype made before the characters “JTM45” were added and was produced in the era when Marshall used a slightly taller cabinet. The names of the controls are printed directly on the aluminum chassis.

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The original “Copper ring knob” of the oldest specification. This design is rare.

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The rear panel. The gold mesh is lost. There is one loudspeaker output and this model appears to have been designed for guitar. The space on the right side is for storing the mains lead.

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The inside of the amp. 6L6 power valves are installed, but they seem to have been exchanged.

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This is clear evidence that this was the JTM45 that appeared in "The History of Marshall” – the worn out leather handle strap. (Marshall uses rubber straps now, but the structure with steel plates on the inside remains the same.)

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To Be Continued...