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Post subject: Tube functions in a Super-Sonic
Posted: Mon Dec 31, 2007 11:24 am
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Hello all,

Can anyone tell me where I could find out what each half of each of the preamp tubes in my new Super-Sonic head does? It helps when selecting tubes for each position. What I'm looking for would be something like: (V1a input, V1b clean channel gain, V2a gain 1 burn, V2b gain 2 burn...)

Thanks for your help,
Butch


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Post subject:
Posted: Tue Jan 01, 2008 2:50 pm
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Here you go:
V1 12AX7 - V1A is the input stage, V1B is the first gain stage of the drive channel (between gain1 and gain2)
V2 12AX7 - Used in the Clean channel. V2A is the usual BF-type post tonestack/volume stage. after that, there is the preshaping filter (part of the Vibrolux/Bassman-switching) followed by V2B as a buffer stage
V3 12AX7 - Used in the Burn channel as second (V3A) and third (V3B) gain stage, followed by the tone stack and master volume
V4 12AX7 - V4A is a buffer stage after the switching relay between clean and burn. V4B is the effects loop send buffer stage
V5 12AX7 Effects Loop - V5A is the effects loop return buffer stage, V5B is the reverb mixer stage
V6 12AT7 Phase Inverter
V7 6L6GC Power Section
V8 6L6GC Power Section
V9 12AT7 Reverb send stage
V10 12AX7- Reverb makeup/buffer


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Post subject:
Posted: Tue Jan 01, 2008 3:17 pm
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Wow, thanks so much for the detailed reply. It's exactly what I was looking for. Where does one find such great technical information?

Thanks again,
Butch


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Post subject:
Posted: Tue Jan 01, 2008 5:25 pm
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Hi - The manufacturers unfortunately don`t release this information. I got it from another forum where somebody took the time to study the schematic and post those details.

have fun...I had a Super-Sonic 1x12 combo for 1.5 years and it is one heck of a nice and versatile amp. I love it!


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