Sugden PA-4 Phono Amplifier

Audiophile MM/MC pre-amplifier


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Masterclass PA-4 Phono Amplifier £2,660.00

Vinyl is a passion for some people, including the designers at Sugden Audio.  It is capable of the finest musical experience creating a unique presence and atmosphere. The PA-4 is one of the most rewarding phono amplifiers available at real-world prices helping you to enjoy your prized record collection for years to come. The PA-4 comes fully loaded with two MC inputs, an MM input and infinite loading options as it can be factory-set to match your cartridge exactly.

The moving coil stage is a Class ‘A’ current feedback circuit. The moving magnet amplifier is a Class ‘A’ voltage feedback circuit incorporating the RIAA correction in the negative feedback loop. DC servo circuits enable direct coupling of the musical signal from the moving coil input to the final output. The power supply, which Sugden considers an integral part of the amplifier circuitry, is a ‘current shunt’ design with a specially designed voltage regulator to prevent rising impedance with higher frequencies. Constructed with components of exceptional quality, hand assembled on long-term stability gold-plated circuit boards; the resultant performance is a phono stage of absolute transparency and natural sound.

Key Features

  • Inputs ​                                 Two moving coil, moving magnet
  • Outputs                               Two line level
  • Loading                               MC1 and MC2
  • Front Panel Controls         MC1, MC2, MM selector, standby, input indicator
  • Output                                360mV
  • Input Sensitivity                Moving magnet 3.5mV
    •                                     Moving coil 0.15mV
  • Loading                                Moving magnet 57K
    •                                      Moving coil 470 & 100 Ohms
  • Frequency Response         +/-0.3dB 30Hz-30kHz
  • Signal to Noise                    >70dB
  • Gross Weight  (packed)     6kgs
  • Dimensions                          110 x 430 x 330mm (hwd)


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Graphite, Titanium