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Pamphonic 1004 mono integrated amplifier (1957-1959) | |
Power output was 10 watts via two 6BW6s (ultra linear) and frequency response was described as 'substantially flat' from 20 to 20,000 c/s. One pole of the heater circuit was permanently earthed, all but eliminating hum under normal conditions. A contour control was provided to compensate for low-level listening using the Fletcher-Munson curve; other controls included bass, treble, volume and input selector. the On/Off switch was incorporated into the contour control. An auxiliary power supply was provided for a Pamphonic FM tuner type 640 (or similar) via a 4-pin plug (6.3V AC at 2 amps and 200V DC at 30 mA) as well as a 2-pin plug AC mains for a gramophone motor. For further information, view the owner's manual and vintage test report. Priced in 1957 at £26 5s, today's value would be around £50 - £90 in good working condition.
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