RussAudio - Repaired and serviced a Marshall JCM900 guitar amp (model 4501). Fault reported:- Went dead; service. Removed amp chassis for inspection. Visual inspection for distressed components and solder joints, etc. OK.
Marshall JCM 900 Model 4501 50-Watt Hi Gain Dual Reverb 1x12 Combo | Reverb
Marshall JCM900 4501 - YouTube
1990 Marshall JCM 900 model 4501 50 watt Hi Gain Dual Reverb guitar amplifier, made in England, ser. no. Y08085
Marshall JCM900 50w Hi Gain Dual Reverb Combo | 4501 | sun-sound