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

Page 15

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

Image 15
Contents Series Hello from the Tone Farm Series Precautions & Warnings Overview SeriesInstant Gratification Rear Viewf Gain TrebleMID Bass ReverbMaster CH.1 / CH.2 / Contour Select Switch Power / onOn / Standby Fuse Record / PhonesFX Loop Send & Return Speakers FX MIXSilent Recording This Position onlyFactory Sample Settings Personal Settings EL84 EL84 6L66L6 6L6 Diagnosing Power Tube Failures Tube Noise & MicrophonicsTube Noise Diagnosing Preamp Tube Problems We thought you might find interesting Page Page Series What is MY Cabinets ImpedanceSpeaker Impedance Matching & HOOK-UP Guide MIS-MATCHINGCombination Series & Parallel ParallelWiring SCHEMES...Amplifier to Speaker Cabinets Wiring SCHEMES...Amplifier to Speaker Cabinets Wiring SCHEMES...Amplifier to Speaker Cabinets Wiring SCHEMES...Amplifier to Speaker Cabinets On TRIODES, Pentodes & Irishmen Pentodes TriodesPage Front View F Series Spirit of Art in Technology Spirit of Art in Technology