Roadster Preamp tube layout

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Lee Carlson

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Oct 26, 2008
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Hello all,
I was wondering if anyone can tell me the layout of the preamp tubes in my Roadster head. (Looking at the back from left to right) What each one is designated for, can't seem to find the info in the manual.
Thanks!
 
Same as the RKII:

V1 A = First Gain Stage (Input Stage)
V1 B = Second Gain Stage

V2 A = 3rd Gain Stage Ch. 1 & 2
V2 B = 3rd Gain Stage Ch. 3 & 4

V3 A = 4th Gain Stage Ch. 3 & 4
V3 B = Tone Stack Driver Ch. 3 & 4

V4 A = Reverb Return Buffer
V4 B = Reverb Send Driver

V5 A = FX Loop Send Driver
V5 B = FX Loop Return Buffer

V6 A&B = Phase Inverter

Dom
 
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