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6ca7

  1. Synergy

    EL34/6CA7s + 6GH8A + ECC83/12AX7s ... Superb !

    Sweetest sounding amp with EL34 / 6CA7s + 6GH8A + ECC83 / 12AX7s and all selfmade transformers. Added a stereo bluetooth though, but its switchable. Demo video
    • Synergy
    • Thread
    • 12ax7 6ca7 6gh8a amplifier ecc83 el34 vacuumtube
    • Replies: 15
    • Forum: Tube Audio
  2. jsg1469

    Westinghouse 6CA7. Date unknown. Maybe late 80's???

    Hello all. Not looking forward to the storms rolling in northeast Texas today. I'm fairly new to the tube game. Less than 2 years. Ive picked up several NOS pair of Mullard xf2 EL34s recently which i love. I just purchased this Westinghouse pair of 6CA7s made in Hungary for $85 plus shipping...
  3. ScooterMcTav

    The Poor Man's KT88

    Just wanted to share a recent experience. My Jolida JD302BRC can use a variety of power tubes including those usually compatible with EL34 (EL-34, KT77, 6CA7) and the higher powered KT88, 6550, etc. The amp just needs to be manually biased with a multimeter. When I first got the amp, it came...
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