Retro Edition – 12AX7 Phono Stage

A simple all tube design with big presence and lots of resolution. Exceptionally clean with no bloat, glare or harshness

Retro Phono Stage Schematic

Designed for high output cartridges, high impedance loads and low sensitivity amps/line stages.


  • Gain: 38db   Loading: 47k/100pf (unless specified)

    2mv to 15mv recommended input
    High impedance receiver, amp or line stage suggested.

  • High quality U.S. made 6.79” X 4.79” double-sided FR4 PC board.
    Uses a mix of WIMA, Elna, and Panasonic caps in audio.
    Front mounted  adjustable EQ and rear adjustable output.
    Painted 7″ X 5″ X 3″ vented aluminum enclosure made from 1/16th 3003

  • Warranty: 6 months parts and labor.

Available in assembled or partially assembled DIY kit.