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Has anyone used SED 6L6GC "CryoValve" tubes?

Discussion in 'Amps and Cabs [BG]' started by X Wolf, Mar 22, 2006.

  1. X Wolf

    X Wolf Guest

    I'm gathering opinions on re-tubing an Ampeg V-4BH and came across these tubes at Tubedepot called the SED 6L6 "Cryovalve" tube. I couldn't come up with anything for these on the search function. Has anyone had any experience with these? Also considering the regular SED winged "C" 6L6GC and some others. Any suggestions? I could also use some suggestions on the 12AX7's and 12AU7. What I'm trying to achieve is: As much power as possible and having a big warm open bottom tone and having the amp not break up too early.

  2. Snake oil
  3. James Hart

    James Hart

    Feb 1, 2002
    Endorsing Artist: see profile
    my only experience is to have bought a pair of newish but used JAN Phillips 12ax7... one cryo, one not. I cannot hear a lick of difference between them.

    for clean 6L6s would have me looking at JJ

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