Re-tubing my Two Rock....

Discussion in 'Amps and Cabs' started by HaloMaster, Mar 1, 2012.

  1. HaloMaster

    HaloMaster Silver Supporting Member

    May 19, 2006
    Rockford, IL
    Hey guys, thought I would ask a few of you guys that have Two Rocks what tubes I should give a try. I have a Two Rock Cutom 50 that started life as a emerald 50. Its got 5 preamp tubes and 2-7581s for power amp. What new brand of tubes should I try? I don't want to spend a huge chunk a change on NOS. But if I did what would you try for NOS? Thanks for any help.
  2. guitarpedaladdict

    guitarpedaladdict Supporting Member

    Apr 22, 2010
    Done a lot of experimenting with a Jet Signature and a CRS and tubes.

    More headroom - stick with 7581a, but there are no current build of these tubes so they will likely be a bit costly.

    Earlier breakup more amp OD - 6l6gc any of the NOS will sound good. TAD seems to be the go to for current build and will sound plenty good.

    Pre amp tubes - more headroom - 5751 in V1 and in your effects driver slot a 5751 or 12at7 variety.

    More gain - keep the 12ax7's in place and mess around with current build stuff to find what you like. NOS RCA and GE pre amp tubes are still relatively affordable and would be great for V1 and V2.

    Have fun!

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