Vacuum Tube Power Amplifiers & Power Supplies

  • DG300B

    A modern take on the legendary 300B SET amplifier.

  • NovarSpud

    Sweep tube Spud using the 6GF7A, 6KY8, or 6LR8 tubes.

  • 21st Century Maida Regulator Rev. 2.1

    High voltage regulator with over 100 dB line rejection.

  • Universal Filament Regulator

    Low-noise, precision DC power source for vacuum tube filaments and heaters.