Description
The PYE PF91 amplifier, with its PF91A shown on this website separately is the culmination of many years of research into the HI-FI reproduction and its performance will astound the ordinary listener and critical engineer alike.
Record player, tape recorders, CD and LP can be used with the PYE PF91, a versatile and practical unit for those who demand perfect sound reproduction.
A combination of negative and positive feedback raise the damping factor of the amplifier to infinity thereby ensuring full control of loudspeakers. The accurate reproduction of the PYE PF91 is rich in sound. The output transformer is a specially designed component to meet the exacting specification of the amplifier.
Power output for less than 0.1% distortion at 1 kHz is stated to be 12 W, and hum and noise level -90 dB relative to 15 W.
Valves used on each amplifier: pair KT66 GEC; ECC33 Mullard; ECC35 Mullard and GZ32.
Tested and in excellent condition and working order.
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