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7868 designs

  1. Harlon

    7868 or 7591 Push-Pull Ulta-Linear Design Help

    So here is a window into how my brain works. Step one: found a Bogen CHB100 on my local Craigslist for cheap. It had a quad of these. \/ (that's my attempt at a down arrow) These are 7868 power tubes. I've had a desire to build an amp in the 20-25 watt range so the hunt began. Looked up the...
    • Harlon
    • Thread
    • 25 watt amp 7868 designs ultra linear
    • Replies: 15
    • Forum: Tube Audio
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