Manufacturer's Specifications
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Amplifier details
Specifications

 
   
Year of manufacture: 1959-1962
Manufactured by: The Gramophone Co. Ltd of Hayes, Middlesex and the Clarke & Smith Manufacturing Company (EMI & HMV)
Price when new (in the USA): £66.3s (integrated model); £40.19s (control unit)
Description: integrated amplifier and control unit
Mono/stereo: stereo
Power output: 10 watts RMS per channel
Harmonic distortion: less than 0.1% at rated power (claimed)
Frequency response: 20Hz - 20kHz ± 1dB
Signal to noise ratio: -80dB (integrated amplifier); -75dB (control unit)
Output impedance: 4, 8, 16 or 32 (switchable)
Feedback (integrated amplifier: 30dB
Input sensitivity: mic 2mV and 20mV; pickup 2mV magnetic and 60mV ceramic; tape 3mV; tape replay/monitor 150mV radio/tuner 150mV
Tubes: EF86 x 2; ECC83 x 6 EL84 x 4 (output - integrated amplifier only)
Dimensions: integrated amplifier: 4 x 13 x 13¾ inches (102 x 330 x 349 mm)
control unit: 4 x 14 x 10½ inches (102 x 356267 mm)