|Year: 1958 ?||Type: Kit (Parts plus Instruction) or Blueprint only|
|Valves / Tubes||3: EF86 6BQ5 6V4|
|Principle||Audio-Amplification; 2 AF stage(s)|
|Wave bands||- without|
|Power type and voltage||Alternating Current supply (AC) / 200-250 Volt|
|Power out||3 W (unknown quality)|
|from Radiomuseum.org||Model: 562K - Cossor, A.C.; London|
|Shape||Chassis only or for «building in»|
Audio amplifier kit. 3 Valve, 3 Watt, dual speaker, using PCB.
Loudspeakers: 10 x 6 inch elliptical and 4 inch tweeter.
Sensitivity is 240 mV with a signal to hum and noise ratio of 45 dB.
Frequency response is 2 dB down at 50 Hz and 13 kHz with the treble cut control turned to minimum.
|Price in first year of sale||9.75 GBP|
|Source of data||-- Schematic|
|Circuit diagram reference||Radio and TV Servicing books (R&TVS) book|
|Mentioned in||The Wireless World, London (WW, 79) (Vol. 64, August 1958, p. 389.)|
Model page created by Keith Staines. See "Data change" for further contributors.
All listed radios etc. from Cossor, A.C.; London
Here you find 268 models, 144 with images and 162 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.