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SpecificationsVintage test report

 
   
Year of manufacture: 1955 - 1957
Manufactured by: Pamphonic Reproducers Ltd, 17 Stratton Street, London W1
Price when new (in the UK): £28 7s
Description: integrated amplifier
Mono/stereo: mono
Power output: 10 watts
Harmonic distortion: 0.5% at 8 watts and 1000c/s
Frequency response: 'Substantially flat' from 20-50,000 c/s
Output impedance: 3.5 & 15
Tone controls: Bass (-16dB to + 15dB at 50c/s), treble (-16dB to + 16dB at 10kc/s), loudness contour (Fletcher-Munson)
Inputs: Mic., Tape, Radio, Pickup (Decca LP), Pickup (N.A.R.T.B.), Pickup (78 r.p.m.)—all velocity characteristic
Input sensitivity: 2.5 mV to 100 mV, according to input selected
Hum & noise: microphone: -53dB; Pick-up: -54dB; Tape/radio: -65dB
Negative feedback: 20dB
Tubes: 2 x 6AQ5 (Brimar); 2 x ECC83 (Mullard); 1 x EF86 (Mullard); 1 x GZ32 (Mullard)
Auxiliary supplies: 300V, 30 m.a. D.C. 6.3v, 2a, A.C
Power supply: 100-150V, 200-250V; 50 - 60 c/s
Dimensions: 7" x 15" x 9" (178 x 381 x 229mm)