Marshall Silver Jubilee guitar head

3 x ECC83 (12AX7) preamp valves and 4 x EL34 power valve Silver vinyl and silver front panel High/Low Output selection switch – this switches the power stage between Pentode operation (100 Watts) and Triode (50 Watts) 2 footswitchable channels – Rhythm and Lead. Presence, Bass, Middle and Treble EQ controls Output Master/Pull channel Control. This footswitchable push/pull control switches between Rhythm and Lead settings. Lead Master Control which sets the Lead mode volume. Input Gain/Pull Rhythm Clip Control. When pulled out if adds extra crunch to the Rhythm Mode of the 2555X. Series Effects Loop DI Output for PA or recording