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Graham Slee Jazz Club Archival MM Phono Stage



The Jazz Club phono preamp will put new life into the sound of your old records: 78s; early vinyl LPs and EPs and does so by restoring their original tonal balance – something a modern phono pre-amp cannot do.

It also has the correct tonal settings (RIAA) for newer records meaning you only need this phono pre-amp for all of your record collection.

The Jazz Club is supplied with the PSU1 power supply and is fitted with a rear panel mono-switch.

This phono stage pre-amp features a number of different equalisation curves in addition to the fixed RIAA curve you get with a regular phono stage.

It’s an essential phono stage for the archivist and listeners who play antique records as the switch-matrix equalisation gives immediate results saving the guesswork of digital manipulation.

The Era Gold V based fast circuit rides the clicks: its propagation speed input to output and negative feedback are so fast that clicks and pops are controlled and not exaggerated like with run-of-the-mill phono stage pre-amps. The result is a reduction of record noise, and for the archivist that means less cleaning-up.

78s were from the pioneering days of the phonograph. Each record label had its own idea as to the best cutting curve and therefore the EQ varied considerably between record labels and record label alliances. The Jazz Club features eight identified EQ curves for 78 RPM records.

With LPs and EPs the story was much the same, but as can be seen by the reduced number of curves, record label EQs were starting to converge.

For today’s RIAA LPs and singles the Jazz Club is sonically identical to the Era Gold V – the only circuit layout difference is that its RIAA de-emphasis components are situated in the EQ switch-matrix.

Even some modern pressings can benefit by applying the 10kHz NAB cut (-16dB) instead of RIAA (-13.7dB) – notably some toppy sounding Tamla Motown and other recordings that are unusually bright. It may not be due to record labels clinging to the older NAB EQ – it’s more likely to be the generous 2dB tolerance allowed by the RIAA standard.


  • Input range:  2mV to 10mV
  • Output (for input range):  252mV to 1,260mV (1.26V)
  • Maximum input:  39mV rms
  • Maximum output:  4.914V rms
  • Gain:  42dB (126) at 1kHz
  • Input impedance:  47k Ohms plus 100pf
  • Output (driving/source) impedance:  1.2k Ohm
  • Recommended load impedance:  10k Ohm or greater
  • Noise at output:  -65dB CCIR Q-pk
  • Distortion:  0.02%
  • EQ curve accuracy:  <0.5dB
  • Channel balance:  0.2dB
  • Channel separation:  64dB
  • Size: W: 107 x H: 50 x D: 180 (mm)