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Marshall Museum---Mr. T's Collection

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...