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Finished $50 5e3

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  • Finished $50 5e3

    First build.


    Box and speaker from a RCA 16mm film rig. I need a better speaker.

    Chassis, trannys, tube sockets from a 50s Electrohome phono amp.

    Purchased board and caps. At $32 the board was by far the most expensive part of the build.

    Switches, knobs, pots, tubes, resistors, etc. from the parts bin.
    This thing absolutely rips.

  • #2
    Wow! I love the reuse of mostly everything. Well done.

    Curious about what the resistor in parallel with the first filter cap is for?
    Building a better world (one tube amp at a time)

    "I have never had to invoke a formula to fight oscillation in a guitar amp."- Enzo

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    • #3
      Hey tubeswell!
      Thanks!

      That's a bleed resistor. The amp didn't seem to need it so I took it out. Just happens to be there in those shots -- good eye!

      I discussed it a little in this recent thread:
      http://music-electronics-forum.com/s...ead.php?t=5705

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