Mesa/Boogie Nomad Amplifier 45 Owner's Manual page 31

Nomad 55
View looking down on to chassis (as if looking down through the cabinet)
Partial View Of Chassis
AC Receptacle
Footswitch DIN plug
TUBE TASK CHART
NOTE: Before changing tubes, turn the POWER SWITCH to the off
position or to STANDBY. CAUTION..Tubes are HOT when they have
been in use.
(Each 12AX7 contains two separate Triodes)
B A
B A
V 4
V 5
6L6
REAR OF CHASSIS
Description of Tube Functions
V1 A & B = (paralleled) input stage
V2 A = 2nd Stage Channel 1
V2 B = 3rd Stage Channel 1
V3 A = 4th Stage Channel 2 & 3
V3 B = 3rd Stage Channel 2 & 3
12AX7
B A
B A
V 2
V 3
6L6
V4 A = 2nd Stage Channel 2 & 3
V4 B = FX Return Stage
V5 A & B = Phase Inverter
B A
V 1