Mesa Boogie Mark I Specs:
100 Watts, Class A/B Power / 4x6L6, 4x12AX7, 1x12AT7
Half Power Switch (100/60 Watt Power Switch)
Fixed Bias for Consistent, Maintenance Free Performance
Two Inputs, 2 Modes (Input 1=Original Multi-Stage “Cascading” Gain Circuit through Volume 1 & 2; Input 2=Normal Gain through Volume 2 only)
Spring Reverb
Full Power/Tweed “Variac” Switch
FX Loop w/Level Control
Slave Out w/Level Control
Slip Cover