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Home>Products>Celestion>1990s MARSHALL JCM 900 100 Watt Hi Gain Dual Reverb Model 4102 Tube Amp CHASSIS
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1990s MARSHALL JCM 900 100 Watt Hi Gain Dual Reverb Model 4102 Tube Amp CHASSIS
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Custom Guitar Builder2020-07-10 09:46:19
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Product Details
| Brand: | Marshall | Amplifier Technology: | Vacuum Tube | MPN: | Does Not Apply |
| Model: | Marshall JCM 900 | Amplifier Type: | Combo |
Product Description
I will gladly ship overseas.
I will combine shipping on any of the items in my store to make sure you get the best deal.
EARLY 1990s Marshall JCM 900 100 Watt Hi Gain Dual Reverb CHASSIS ONLY. (TUBES NOT INCLUDED)
-SERIAL # Z07604
-Chassis is very clean
-Has a MOD on the Transformer (Power Attenuator of some sort)
-Has a MOD on the Presence Control
(YOU CAN SEE BOTH OF THESE MODS IN THE LAST 5 PICS)
Below is the Probable Reason for the MODS: -Courtesy of mrm-electronics on ebay-
New message from: mrm-electronics (3,249
)It looks like that control is for negative feedback. They normally tap off the 16 Ohm output transformer and feed that back to the board through a limiting resistor an capacitor. Presence is the control of how much feedback is added. Since it had a presence control, they are probably injecting feedback there.
New message from: mrm-electronics (3,249)That mini toggle switch might be a brightness switch.-Chassis Powers up and can be heard through the speakers
-When I bought it last week It produced sound on Both Channels But then Faded out...
-Output Tubes seemed very hot
-Not Sure what the ussue is? I do not have the Time to put in to it.
-SOLD AS IS- NO RETURNS -
-POWERS UP AND BRIEFLY WORKED BUT THEN FADED OUT AND SEEMED TO COME BACK IF I WIGGLED A POWER TUBE..?? May just need Biased???
THE OTHER PIECES TO THIS MARSHALL AMP TO MAKE THIS CHASSIS WHOLE TO ITs ORIGINAL STATE CAN BE FOUND BY FOLLOWING THE LINKS BELOW:
http://www.ebay.com/itm/2-Celestion-G12T-75-Marshall-JCM-900-4102-PULL-Professional-Loudspeaker-England-/332177551851?ssPageName=STRK:MESE:IT
http://www.ebay.com/itm/1990s-MARSHALL-JCM-900-100-Watt-Hi-Gain-Dual-Reverb-Model-4102-Tube-Amp-Cabinet-/332177551849?ssPageName=STRK:MESE:IT
http://www.ebay.com/itm/Accutronics-8DB2C1D-TRIPLE-SPRING-Reverb-Tank-from-MARSHALL-JCM-900-Tube-Amp-/332177551850?ssPageName=STRK:MESE:IT
Email with any questions. Thanks for looking.
New message from: mrm-electronics (3,249)That mini toggle switch might be a brightness switch.-Chassis Powers up and can be heard through the speakers
-When I bought it last week It produced sound on Both Channels But then Faded out...
-Output Tubes seemed very hot
-Not Sure what the ussue is? I do not have the Time to put in to it.
-SOLD AS IS- NO RETURNS -
-POWERS UP AND BRIEFLY WORKED BUT THEN FADED OUT AND SEEMED TO COME BACK IF I WIGGLED A POWER TUBE..?? May just need Biased???
THE OTHER PIECES TO THIS MARSHALL AMP TO MAKE THIS CHASSIS WHOLE TO ITs ORIGINAL STATE CAN BE FOUND BY FOLLOWING THE LINKS BELOW:
http://www.ebay.com/itm/2-Celestion-G12T-75-Marshall-JCM-900-4102-PULL-Professional-Loudspeaker-England-/332177551851?ssPageName=STRK:MESE:IT
http://www.ebay.com/itm/1990s-MARSHALL-JCM-900-100-Watt-Hi-Gain-Dual-Reverb-Model-4102-Tube-Amp-Cabinet-/332177551849?ssPageName=STRK:MESE:IT
http://www.ebay.com/itm/Accutronics-8DB2C1D-TRIPLE-SPRING-Reverb-Tank-from-MARSHALL-JCM-900-Tube-Amp-/332177551850?ssPageName=STRK:MESE:IT
Email with any questions. Thanks for looking.
That mini toggle switch might be a brightness switch.-Chassis Powers up and can be heard through the speakers
-When I bought it last week It produced sound on Both Channels But then Faded out...
-Output Tubes seemed very hot
-Not Sure what the ussue is? I do not have the Time to put in to it.
-SOLD AS IS- NO RETURNS -
-POWERS UP AND BRIEFLY WORKED BUT THEN FADED OUT AND SEEMED TO COME BACK IF I WIGGLED A POWER TUBE..?? May just need Biased???
THE OTHER PIECES TO THIS MARSHALL AMP TO MAKE THIS CHASSIS WHOLE TO ITs ORIGINAL STATE CAN BE FOUND BY FOLLOWING THE LINKS BELOW:
http://www.ebay.com/itm/2-Celestion-G12T-75-Marshall-JCM-900-4102-PULL-Professional-Loudspeaker-England-/332177551851?ssPageName=STRK:MESE:IT
http://www.ebay.com/itm/1990s-MARSHALL-JCM-900-100-Watt-Hi-Gain-Dual-Reverb-Model-4102-Tube-Amp-Cabinet-/332177551849?ssPageName=STRK:MESE:IT
http://www.ebay.com/itm/Accutronics-8DB2C1D-TRIPLE-SPRING-Reverb-Tank-from-MARSHALL-JCM-900-Tube-Amp-/332177551850?ssPageName=STRK:MESE:IT
Email with any questions. Thanks for looking.
-When I bought it last week It produced sound on Both Channels But then Faded out...
-Output Tubes seemed very hot
-Not Sure what the ussue is? I do not have the Time to put in to it.
-SOLD AS IS- NO RETURNS -
-POWERS UP AND BRIEFLY WORKED BUT THEN FADED OUT AND SEEMED TO COME BACK IF I WIGGLED A POWER TUBE..?? May just need Biased???
THE OTHER PIECES TO THIS MARSHALL AMP TO MAKE THIS CHASSIS WHOLE TO ITs ORIGINAL STATE CAN BE FOUND BY FOLLOWING THE LINKS BELOW:
http://www.ebay.com/itm/2-Celestion-G12T-75-Marshall-JCM-900-4102-PULL-Professional-Loudspeaker-England-/332177551851?ssPageName=STRK:MESE:IT
http://www.ebay.com/itm/1990s-MARSHALL-JCM-900-100-Watt-Hi-Gain-Dual-Reverb-Model-4102-Tube-Amp-Cabinet-/332177551849?ssPageName=STRK:MESE:IT
http://www.ebay.com/itm/Accutronics-8DB2C1D-TRIPLE-SPRING-Reverb-Tank-from-MARSHALL-JCM-900-Tube-Amp-/332177551850?ssPageName=STRK:MESE:IT
Email with any questions. Thanks for looking.
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