PH-77 Reference Class Phono Equaliser
“The only Phono Equaliser to unlock the full potential your vinyl system.”

After years of extensive in-house development and close collaboration with recording engineers and archivists from the BBC, the British Library Sound Archive, the Institut fur Rundfunktechnik GmbH and Sveriges Radio AB, the result is the AMR Reference Class PH-77 Phono Equaliser.

The PH-77 is the only phonograph source able to lay claim to exclusively feature a comprehensive catalogue of 23 equalisation (EQ) curves: every LP record can now be replayed using the one and only correct equalisation curve. This includes AMR's exclusive RIAA Direct Metal Mastering 'Curve' which transforms DMM records from being 'bright/edgy' to the life-like analogue recording that it always was.

This along with 8 levels of gain, 64 steps of load, 3 inputs for unprecedented flexibility in cartridge choice and matching and the onboard 24bit/96kHz Analogue-to-Digital converter, the PH-77 is undeniably one of the most significant reference phonograph sources ever produced.

With unorthodox approaches to the circuit design, using rare and primarily bespoke components, AMR’s PH-77 Phono Equaliser paints a sonic picture that is so seductively vivid, beautiful and harmonically rich, that it possesses an enthralling live performance-like quality that after listening, one is left struggling for superlatives.


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