• 811A

    The Penta Laboratories 811A is a high mu power triode designed for service as an audio frequency amplifier or modulator, or as an RF amplifier or oscillator. The Penta Labs’ 811A high power RF amplifier is capable of outputting up to 160 watts at frequencies up to 30 MHz.

    $49.95
  • 811A Matched Pair

    The Penta Laboratories 811A is a high mu power triode designed for service as an audio frequency amplifier or modulator, or as an RF amplifier or oscillator. The 811A is capable of outputting up to 160 watts at frequencies up to 30 MHz.

    $99.90
  • 811A Matched Quad

    The Penta Laboratories 811A is a high mu power triode designed for service as an audio frequency amplifier or modulator, or as an RF amplifier or oscillator. The 811A amplifier is capable of outputting up to 160 watts at frequencies up to 30 MHz.

    $199.80
  • 812

    More information coming soon.

  • 8T85RB

    More information coming soon.

  • 931A

    More information coming soon.

  • PL10277

    More information coming soon.

  • TH5-4

    More information coming soon.

  • TH5-6

    More information coming soon.

  • TH6-3

    More information coming soon.

  • TH6-3A

    More information coming soon.

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