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pre-owned music first audio classic 632 mm phono amplifier

£2,700.00 £1,800.00

  • Mint condition
  • MM design
  • Linear power supply worth £395 included
  • £2700 when new
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MCRU have available this excellent phono amplifier with custom front panel in mint condition. Also comes with Longdog Audio fully regulated linear power supply to replace the stock switch mode supply. This is a MM (moving magnet) design, if you intend to partner it with a step up transformer we have the matching one available taken in part exchange from the same client.

Details from the Music First website are below…

Music First Audio Dual Mono MM Phono Amplifier

Technical description:

Two identical boards each with it’s own power supply and amplification circuitry making the amplifier a true ‘Dual Mono’ unit.
An external power supply provides a +/- 18V AC voltage. There is a bridge rectifier comprising of 4 discrete ultra fast soft recovery diodes, a bank of audiophile quality Elna Silmic electrolytic capacitors and two high performance low noise voltage regulator circuits.

The main amplifier circuits comprise two active gain stages with passive RIAA equalisation. Each amplifier stage is biased into ‘class A’ with the use of constant current diodes. Mundorf ‘M-Cap Supreme’ capacitors and low noise metal film resistors are used as the main elements in the RIAA stage. High quality Polyproylene decoupling capacitors are use throughout.
The output transformers are each driven by a THAT1646 balanced line driver. Radio frequency noise is minimised by a filter between the THAT chips and the transformers.



Additional Info

Additional information

Weight 5 kg

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