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KW77; K.W. Electronics Ltd (ID = 2094791) Amateur-R
KW77; K.W. Electronics Ltd (ID = 2094792) Amateur-R
KW77; K.W. Electronics Ltd (ID = 2094793) Amateur-R
KW77; K.W. Electronics Ltd (ID = 1638883) Amateur-R
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KW77; K.W. Electronics Ltd (ID = 1638883) Amateur-R
K.W. Electronics Ltd: KW77 [Amateur-R] ID = 1638883 900x476
Select picture or schematic to display from thumbnails on the right and click for download.
For model KW77, K.W. Electronics Ltd.; Dartford:
Outer metal case has been repainted, the colour is not quite the original.
Country:  Great Britain (UK)
Manufacturer / Brand:  K.W. Electronics Ltd.; Dartford
Year: 1962 ? Category: Amateur-Receiver (amateur bands, may include broadcast bands)
Valves / Tubes 11: EF183 ECF80 6BE6 6BE6 6BA6 6BE6 12AU7 6AT6 EL84 EF91 12AX7 0A2
Main principle Superhet, double/triple conversion; ZF/IF 3500/450 kHz; 3 AF stage(s)
Wave bands Wave Bands given in the notes.
Power type and voltage Alternating Current supply (AC) / 200-210; 220-230; 240-250 Volt
Loudspeaker - This model requires external speaker(s).
Power out 3 W (unknown quality)
from Model: KW77 - K.W. Electronics Ltd.;
Material Metal case
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 407 x 215 x 332 mm / 16 x 8.5 x 13.1 inch

Receiver KW77 for 160 - 10 m amateur bands (pre WARC).
Covered by up to 600 kHz segments each:
1.8-2.0; 3.5-4.1; 7-7.5; 14-14.5; 21-21.5; 28-28.5; 28.5-29.1; 29.1-29.7 MHz.
CW/AM/SSB with Product Detector.
Crystal calibrator and notch filter at the second IF.
Sensitivity 0.5 microvolt for 10dB signal to noise ratio.
Selectivity 0.5; 1; 2.1; 3.8 kHz at 6dB down.
Blue front panel, examples also exist in green.
Dimensions above are with the metal plinth.

Net weight (2.2 lb = 1 kg) 29 lb (29 lb 0 oz) / 13.166 kg
Price in first year of sale 120.00 GBP

Model page created by Gwyn Griffiths. See "Data change" for further contributors.

All listed radios etc. from K.W. Electronics Ltd.; Dartford
Here you find 16 models, 15 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.