Do you have a question about the Audio Research PH3 and is the answer not in the manual?
Introduction to the PH3 manual and its importance for understanding the advanced electronic instrument.
Essential safety precautions regarding fire hazard, electrical shock, and proper unit handling.
Instructions for preserving packaging and correctly installing vacuum tubes for safe operation.
Detailed explanation of the Power Switch and Mute/Operate Switch functions.
Steps for adjusting input capacitance to match cartridge requirements for optimal performance.
Recommendations for unit placement, mounting, and ventilation for reliable service and sonic quality.
Guide to powering on, understanding the warm-up period, and initiating operation.
Information on routine servicing, safety during repairs, and vacuum tube lifespan and replacement.
| Type | Phono preamplifier |
|---|---|
| Input Impedance | 47kΩ (MM), 100Ω (MC) |
| Outputs | 1 x RCA |
| Input Impedance (MM) | 47kΩ |
| Input Impedance (MC) | 100Ω |











