Mesa Fillmore 50 - Tube Task Chart

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PAGE 22

12AX7

6L6

FILLMORE

™

FRONT OF CHASSIS

PREAMP TUBES

POWER TUBES

V1A - INPUT STAGE DRIVE/HI

V1B - INPUT STAGE CLEAN, 2ND STAGE

DRIVE/HI

V2A/B - TONE CONTROL DRIVER

V3A/B - DRIVER/PHASE INVERTER

V4A - LOOP RETURN

V4B - REVERB MIXER

50 Watts =

V6 & V7 PENTODE

25 Watts =

V6 & V7 TRIODE

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

2 X 6L6

V5A - REVERB RETURN STAGE

V5B - REVERB SEND STAGE

TUBE REPLACEMENT DIAGRAM