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Zesto Audio PS1 phono stage

This wonder of a phono stage bring incredible, reference-class performance at it's original retail price of $4500, and at $2500 (and only used a few times, and truly mint) it's the fastest way to a truly staggering window into analog excellence!

$2500 USED

Inputs per channel

Separate MM and MC inputs
MM/MC switch
MM impedance switch 47K or 15K Ohms
MM capacitance 200pf
MC Single Ended RCA with isolated ground or Balanced XLR3F
MC ground on/off switch
MC load impedance adjustable 1000, 800, 600, 500, 400, 300, 200, 100, 50, 20 Ohms
MC Internal step up transformers
MC High/Low switch with ~ -3dB gain for high output MC cartridges

Outputs per channel

Impedance 10K ohms
+6V max output level

Active Components

Four (4) Gold pin JJ ECC83S/12AX7 vacuum tubes with high quality gold pin ceramic sockets


Ground binding post
Power consumption 27W , 0 drain when off
Voltage 110/120V AC 60Hz
Optional factory installed 220V or 230/240V AC 50/60Hz
Standard 3 pin IEC power connector
ON/OFF power switch conveniently located on the front side
Two internal high quality linear regulated power supplies, 250V and 12V

Detailed Specifications

Gain MM input 47dB
Gain MC input 67dB
Noise – 75dBu below max output level
Frequency response complies with the original RIAA curve within +or- 0.5 dB
RIAA curve is achieved using a passive filter
1% metal film resisters throughout
Polypropylene capacitors throughout the audio path

Other Features

“Made in the USA” using US and imported parts
Each unit is built by hand
50 hour factory burn in on all circuits and vacuum tubes
Dimensions 17″ W X 12″ D X 5″ H
Weight 20 lbs.
16 gauge zinc plated steel enclosure
Two year limited warranty
Six months warranty on Vacuum Tubes