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Higher level PSU sitting above the PSU1 and enhancing MC cartridges through Accession MC phono stage, great upgrade for other Graham Slee phono stages and headphone amps too.
Graham Slee PSU1 Enigma Micro Signal Power Supply is designed to improve performance of moving coil (MC) cartridges through Graham Slee's Accession MC phono stage, but this PSU1 Enigma upgrade is also a very effective upgrade potential for other Graham Slee phono stages and headphone amplifiers.
PSU1 Enigma Micro signal is essentially a superior power supply unit, very similar in all aspects other than the internals to the PSU 1. It was designed to cope with very low output cartridges but performs equally well with both MC and MM cartridges.
Please Note: Pictures are for illustration purposes only, the model shown is the original PSU1 model.
The GSP PSU1 Enigma was purchased as an upgrade (over the PSU1) to power the Accession phono stage (MM). The system also includes the Elevator EXP for moving coil. There is a significant improvement in sound quality, with more detail and transparency, as well as improved sound stage. I strongly recommend this unit.
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