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targa911S targa911S is offline
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Join Date: Nov 2002
Location: North of Pittsburgh
Posts: 11,706
Quote:
Originally Posted by arcsine View Post
I am sure I am missing something but according to the block diagram in this manual, (www.ampeg.com/pdf/SVT6PRO.pdf) you have tubes that feed the MOSFETs. To me they would still be considered a pre-amp stage. The voltage adjustment you are speaking off directly adjusts the voltage across those tubes.

And I apologize, again according to that manual, you have 4x 12AX7's and 2x 12AU7's.
correct:
Preamp: Tubes (2 x 12AX7)
Driver Tubes: 2 x 12AU7, 2 x 12AX7
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