Audio Research PH8 MM/MC Tube Phono Preamplifier

Audio Research PH8 Phono Preamplifier. Key specifications include 58dB gain (compatible with MM and MC cartridges), selectable loading impedances of 47k, 1000, 500, 200, and 100 ohms, a hybrid circuit with two 6H30 dual triodes and JFET inputs, tube power supply regulation using 6550WE and 6H30 tubes, and single-ended RCA inputs and outputs. The PH8 is a high-performance phono preamplifier incorporating trickled-down architecture from Audio Research's flagship Reference series. Built for serious analog listeners, it utilizes an electronically regulated power supply and premium custom capacitors to ensure pure signal transfer. Front-panel buttons and an included remote provide effortless, on-the-fly adjustment of input loading, mono switching, and muting directly from your seat.

Reviews praise the PH8 for its remarkable transparency, expansive soundstage, and ultra-quiet background. Critics highlight how its hybrid design seamlessly combines the tonal richness, warmth, and natural dimensionality of vacuum tubes with the lightning-fast transient response, dynamic punch, and low-level detail retrieval of solid-state components. Listeners consistently point out its ability to render complex dynamic passages, subtle instrumental textures, and precise spatial imaging with effortless clarity.

Integrating this phono stage into a high-performance audio system breathes fresh vitality into vinyl records, revealing fine nuances and subtle dynamic shifts hidden in the grooves. For music lovers seeking to maximize their analog front-end and experience their record library with maximum warmth, clarity, and realism, this component represents a transformational addition to any listening room.

Brand	Audio Research
Type	Phono Preamplifiers
MSRP	$6,995.00
SKU #	100376
Serial #	SN46760
Cosmetic Rating	8 - Very good condition with minimal visible cosmetic wear including very light blemishes on top of chassis. These do not detract from the overall wonderful appearance and this preamplifier makes a great addition to any system.
Functional Notes	Operational condition of this item is excellent, fully tested and no issues found.
Age	13 years
Owners	Unknown
Service History	None