Mewsickbuff , It only took a couple weeks. Working with Jeff was an absolute pleasure - communicating continually via email and phone.
*Replaced all Phono Preamp transistors – three resistors burned
*Replaced all electrolytic capacitors throughout unit
*Replaced front-and-rear panel toggle switches
*Replaced Output Muting Relay
*Burned-in unit for four business days – All Functions Are Perfect
Performance & Benchmark Certificate
Provided by: Precision Audio Labs Service Center
Date of Service: 05-22-2020
Serial Number: P6599
The information below entails the tested specifications of your pre-amplifier. Preamp Performance is tested in our lab using a Sound Technology 1700A Distortion Analyzer, SN-06241. This unit was last calibrated on 3-15-2017.
Measured Total Harmonic Distortion (THD): Phono Input .005%
Measured Total Harmonic Distortion (THD): Line Input .008%
Measured Signal-to-Noise Ratio (In Db): MM Phono Inputs = 87dB
Measured Signal-to-Noise Ratio (In Db): Line Inputs = 108dB
Measured Channel Separation: 72dB