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Rega Valve Isis CD Player

Our price: £8,400.00

What HFL Thinks

Rega Valve Isis CD Player – Another classic name in the British HiFi, arguably best known for their range of fantastic turntables but also offering a broad range of product from amps, dacs, cd players and speakers that all perform way over what their modest price would suggest but always guaranteeing an extremely musical listening experience. Please check back shortly as we write our thoughts on Rega’s fantastic range of HiFi equipment.

The story behind the Valve Isis

Rega’s now legendary head electronics engineer Terry Bateman spent 10 years researching the concept of a CD player using valves in the output amplifier.

When it came to the inspiration for this project Terry drew on the enormous experience he gained while working with musical instrument valve amplification, which dates back to the middle part of the 1970’s. Terry’s concept was based on the need to have a playback chain, which is in harmony with the instruments and equipment being used.

Valves have been widely used in musical instrument and recording amplification from the 1950’s to the present day, therefore it made great sense to develop a valve based CD player to match that of the signal chain found in such applications.This approach kept the circuit straightforward, this is mainly because musical instrument amplification is not excessively hindered by some of the folklore surrounding certain aspects of valve audio design. He took the approach of combining the technical and sonic attributes of valves in a differential instrumentation amplifier circuit driven from differential output DAC with a passive LC filter.

Careful choice of valves and the use of moderate levels of feedback keep the distortion at reasonable levels thus keeping the colouration to a minimum. The valve Isis became fully realised when he combined the valve project with the Wolfson high performance differential output WM8741 DAC along with the digital playback circuitry of its solid state stable mate.

 

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