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Discussion in 'Amps and Cabs [BG]' started by grungtertl, Feb 26, 2005.
I have 4 12AX7's and 1 12AU7. What are the best tubes, or tube combinations for the SVP-PRO?
I replaced mine with four 12ax7 Ei gold tubes and a Jan/Phillips Au7 for the output. It will Make the preamp sound clearer and tighter overall. A much better sound.