Retro Phono Stage – All tube Phono Preamp with feedback RIAA EQ

Available from my eBay store!

Professionally hand assembled on a U.S. made double-sided FR4 PC board using only premium components including WIMA, Elna, and Panasonic caps. This is the perfect match for high output MM, MC or MI cartridges. Precise feedback network constructed of carbon comp resistors and Wima PP caps.

“This Retro Phono Stage gives sound a real presence at all frequencies. 5-Stars !”   ebay q***j

Retro phono stage schematic
Retro phono stage PSU schematic

  • Front mounted feedback adjustment for fine tuning of the RIAA curve.
  • Includes high quality Mean Well 40w ac adapter.
  • Includes a matched set of Electro Harmonix 12ax7EH tubes.
  • Extremely low noise design.
  • 2 gain potentiometers.

FR: 10Hz-22KHz     Noise: < .003vrms     Gain: 38db     RIAA accuracy: < .5db
Loading: 47k/100pf (unless specified)

Warranty: 6 months parts and labor.