Parasound Phono preamp

Zphono


http://www.parasound.com/zphono.php

Works with all line drive preamplifiers
RIAA curve accurate to 0.25 dB
Ultra-low distortion
Switchable gain for moving magnet or moving coil cartridges
Exclusive AC polarity switch to eliminate hum
Ultra high-speed, low-noise opamps
Audiophile grade resistors and capacitors
Gold-plated RCA input and output jacks
Unique half-rack width chassis; 1 rack space high