JCM 2000 DSL 100 preamp tube positions
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What are the Preamp tube positions from left to right (looking from the rear of the amp) and what do they control? Thank you

asked 16 Jun 2016 at 03:13 PM

J H
V1 - v6 left to right respectively as viewed from back of amp. - Brian Walko 21 Mar 2021 at 06:28 AM
Answers: 2
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Contact our team at jgreen@marshallamps.com for further information.

edited 04 Aug 2016 at 12:29 PM

Chris Robinson (338)

answered 20 Jun 2016 at 09:46 AM

Chris Robinson (338)
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from left to right:

1st and 2nd valves are 4 gain stages, the 3rd one is a gain stage with a DC coupled cathode follower after it, which drives the tone controls,

the last valve is the phase inverter, driving the powervalves

answered 21 Jun 2016 at 06:52 AM

john bolier (37)
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