Some cool tubes to try in my DRRI

Discussion in 'Amp Central Station' started by Crazy neddie, Jul 29, 2015.

  1. Crazy neddie

    Crazy neddie Tele-Meister

    Jul 15, 2013
    Rhode Island
    Hey guys I may try them all but I have some nice NOS tubes to try out in my DRRI. Where should I start for the V2 position? My DRRI is from 91 I believe and the preamp tubes are labeled groove tubes, electro harmonix, and fender. I mean each tube has three labels on it.

  2. uriah1

    uriah1 Telefied Gold Supporter

    Feb 12, 2011
    5751 in v2 first then try others. ..imho
  3. Singin' Dave

    Singin' Dave Friend of Leo's

    May 22, 2008
    You are in for a treat! I'd try ALL of them in V2 and see what works best for your ears. Keep amp settings the same for each test. I personally lean to RCA over GE and 12AX7 over 5751, but YMMV

    Once you settle on a V2 tube, you may want to consider one of the spare US 12AX7's in V4.

    If you really don't use "Normal" channel, swap one of the Groove Tubes/EHs into V1.

    Use the other USA tubes for the key driver slots in any other amps you have and enjoy!

    See here for some assistance:
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