This superb valve kit for the Marshall JCM800 Super Bass Series 100w amplifier comprises:
- 2 x Selected Premium Grade JJ ECC83 preamp valves.
- 1 x Selected Premium Grade JJ Balanced ECC83 for the phase inverter in position V4 (this is the one furthest from the input jack and closest to the power valves).
- 2 x Selected Premium Grade Marshall Matched EL34 Power Valves/Power Tubes.
If you currently have Marshall valves in your amplifier and love the sound then this is the valve set for you.