F-30TUBE TASK CHART

BACK EDGE OF CHASSIS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MUTE SWITCH

EL84 EL84

B A

B A

B A

B A

V 4

V 3

V 2

V 1

(4) 12AX7

(Each 12AX7 contains two separate Triodes)

PAGE 11

PARTIAL VIEW OF CHASSIS

Description of Tube Functions

 

V1 A= Input Stage both Channels

V3 B= FX Return

V1 B= Clean Channel

V4 A=

Phase Splitter /

V2 A= 2nd Input Stage bothChannels

V4 B=

Output

V2 B=Channels 2 & 3 Boost Stage

V3 A=Channels FX Send

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Image 15
Mesa/Boogie F-30, F-50, F-100 owner manual EL84 EL84