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Tr a n s aT l a n T i c TA-15
V1A&B - Parallel Input Stages for Ch1
V2A - Input Stage for Ch2
V2B - 2nd Gain Stage for Ch2
V3A&B - Tone Control Driver for Ch’s1&2
V4A&B - Driver/Phase Inverter
Preamp Tubes
25 Watts = V5, V6
15 Watts = V5, V6
5 Watts = V6
Power Tubes
V 1
V 2
V 3V 4
V6 V5
2 x
EL 84
BEFORE CHANGING TUBES FLIP POWER SWITCH TO OFF
To maintain warranty use Mesa/Boogie tubes when replacement is necessary
1317 Ross Street • Petaluma, California 94954 • (707) 778-6565
REAR OF CHASSIS
Tube Replacement
4 x 12AX7
FRONT OF CHASSIS