PAGE 44
12AX7
V4
12AX7
V2
12AX7
V3
12AX7
V1
12AX7
V5
6L6
V6
6L6
V8
6L6
V9
6L6
V7
JP-2C
™
TUBE REPLACEMENT DIAGRAM
FRONT OF CHASSIS
PREAMP TUBES
POWER TUBES
V1A - INPUT STAGE ALL CHANNELS
V1B - 2ND GAIN STAGE ALL CHANNELS
V2A - FX LOOP RETURN ALL CHANNELS
V2B - 3RD GAIN STAGE CHANNEL 1
5TH GAIN STAGE CHANNELS 2&3
V3A - REVERB RETURN STAGE
V3B - 3RD GAIN STAGE CHANNELS 2&3
V4A - 4TH GAIN STAGE CHANNELS 2&3
V4B - REVERB DRIVE STAGE
100 Watts = V6, V7, V8, V9
60 Watts = V8 & V9
BEFORE CHANGING TUBES FLIP POWER & STANDBY SWITCH TO OFF
INPUT JACK
TO MAINTAIN WARRANTY, USE MESA/BOOGIE
®
TUBES WHEN REPLACEMENT IS NECESSARY
FOR CUSTOMER SUPPORT, PLEASE CALL 707-778-6565 MONDAY-THURSDAY 9-5 PST, OR EMAIL US AT INFO@MESABOOGIE.COM
5 x 12AX7
V5A&B - DRIVER/PHASE
INVERTER
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