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KB 393

KB 393; Kolster Brandes Ltd. (ID = 2052636) Radio
 
KB 393; Kolster Brandes Ltd. (ID = 2052637) Radio
 
KB 393; Kolster Brandes Ltd. (ID = 2052638) Radio
 
KB 393; Kolster Brandes Ltd. (ID = 2052639) Radio
 
KB 393; Kolster Brandes Ltd. (ID = 2052640) Radio
 
KB 393; Kolster Brandes Ltd. (ID = 2052641) Radio
KB 393; Kolster Brandes Ltd. (ID = 2052584) Radio KB 393; Kolster Brandes Ltd. (ID = 2052588) Radio
KB 393; Kolster Brandes Ltd. (ID = 2052589) Radio  
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KB 393; Kolster Brandes Ltd. (ID = 2052584) Radio
Kolster Brandes Ltd.: KB 393 [Radio] ID = 2052584 1280x753
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For model KB 393, Kolster Brandes Ltd. (KB, K.B., ITT); Foots Cray; GB
 
Country:  Great Britain (UK)
Manufacturer / Brand:  Kolster Brandes Ltd. (KB, K.B., ITT); Foots Cray; GB
Year: 1934 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 3: 215SG HL2 220PT
Main principle TRF (Tuned-Radio-Frequency but use of regeneration unknown)
Wave bands Broadcast (MW) and Long Wave.
Details
Power type and voltage Storage and/or dry batteries / 2 & 9 & 100 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm
Power out
from Radiomuseum.org Model: KB 393 - Kolster Brandes Ltd. KB, K.B.,
Material Wooden case
Dimensions (WHD) 485 x 288 x 218 mm / 19.1 x 11.3 x 8.6 inch
Notes

Voltages; LT+ (red lead) = 2 volts, LT- (black lead) (Lead Acid Accumulator)
HT 1 + = 80 volts, HT 2 + = 100 volts.  (Tapped Winner family dry cell pack)
GB 1 -1.5 volts, GB 2 -3 or -4.5 volts. (Tapped Grid Bias dry cell pack)
HT- and BG+ to socket marked HT- or GB+

Left knob on/off wave change, Top knob; outer = Tuning, inner = trimmer, Right knob = reaction.

Model page created by Mike Edwards. See "Data change" for further contributors.



All listed radios etc. from Kolster Brandes Ltd. (KB, K.B., ITT); Foots Cray; GB
Here you find 369 models, 319 with images and 202 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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