Replacement Valve Kit For Marshall JCM800 4210 (4 x JJ ECC83 1 x Balanced JJ ...
About the Marshall JCM800 4210 amplifier. With the Marshall JCM800 4210 you have two channels with a reverb unit. So that’s about it as far as features go. 1 x Selected Premium Grade JJ Balanced ECC83 for the phase inverter in position V5.