Manufacturer's Specifications
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Amplifier details
Specifications

 
   
Year of manufacture: 1959-1960
Manufactured by: B.K. Partners Ltd., 229 Regent Street, London W1
Price when new (in the UK): £42. 10s power amplifier and preamplifier set
Description: separate power amplifier and control unit
Mono/stereo: stereo
A205 POWER AMPLIFIER  
Power output: 5 watts RMS per channel
Distortion: less than 0·2% at rated power
Frequency response: 30Hz - 25kHz ± 1dB
Signal to noise ratio: -70dB
Input sensitivity (for full output): 300mV
Output impedance: 3¾, 7½ and 16
Feedback: 15db
Tubes: 4 x ECL82 output, ultralinear
Dimensions: 8 x 12 x 6 inches (203 x 305 x 152 mm)
P205 CONTROL UNIT  
Inputs: aux (120mV), mic (20mV), pickup (3mV and 120mV) and radio (120mV)
Dimensions: 3½ x 11½ x 6 inches (89 x 292 x 152 mm)