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Puresound A30 Integrated Amplifier

A30 Amplifier
The puresound A30 amplifier was developed to meet the demand for an affordable Class A amplifier that would be compatible with all types of loudspeakers. The A30 is a line level integrated design that allows for the selection of up to 3 different source components and control of the volume by a high quality ALPS Blue Velvet potentiometer. Class A operation was chosen because it gives lower distortion and a more relaxing, natural sound.
A30 Amplifier
A30 Amplifier
A30 Amplifier
A30 Amplifier
A30 Amplifier
Description

The amplifier uses the very robust Electro Harmonix 6550 output valves in an Ultra Linear Push Pull configuration. This arrangement gives a combination of power and clarity that is difficult to beat. The amplifier uses an Auto Bias system, which means that replacement output valves should be fitted as matched pairs. There will be no need to reset or monitor bias conditions.

The puresound A30 operates fully in Class A up to its rated output so it does not change character at any signal level. There is none of the distortion caused by output devices switching on and off and therefore no requirement for excessive feedback to correct for it. The 6550 valves supplied are the extremely robust Russian Electro-Harmonix variety and are quite content with dissipating the power required to maintain Class A operation up to 30 Watts. The valve rectifiers used keep the high voltage power supply clear of the noise that can be introduced by silicon rectifiers. A substantial choke is also incorporated to keep the power supply impedance low. The output transformers also give extremely wide bandwidth allowing very solid low frequency performance as well as exceptional reproduction of timbre.

Puresound A30 Integrated Six Moons review February 2010

Puresound A30 Integrated amplifier specifications

  • Minimum Load.....................................................................3 Ohms
  • Freq Response.........................+/-2 dB ...10Hz-70KHz, 4 ohm load
  • THD+N:........................................................0.1% 1W, 1KHz, 4 ohms
  • Power output.......................................................................30Wrms
  • Input connections:...............................................Three analog Rca
  • Dimensions...............................W470 mm x D430 mm x H128 mm
  • Weight........................................................................................32Kg
  • Price £1579.95

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Puresound

The Company

We are one of the foremost digital audio specialists in the country with over 25 years of specialist experience in this area, from CD players to high resolution playback we can deliver a sound that will delight.

 

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