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R-4B

R-4B; Drake, R.L. (ID = 183578) Amateur-R
 
R-4B; Drake, R.L. (ID = 183579) Amateur-R
R-4B; Drake, R.L. (ID = 71472) Amateur-R R-4B; Drake, R.L. (ID = 308415) Amateur-R
R-4B; Drake, R.L. (ID = 655292) Amateur-R R-4B; Drake, R.L. (ID = 275482) Amateur-R
R-4B; Drake, R.L. (ID = 308414) Amateur-R R-4B; Drake, R.L. (ID = 308416) Amateur-R
R-4B; Drake, R.L. (ID = 308417) Amateur-R R-4B; Drake, R.L. (ID = 308418) Amateur-R
R-4B; Drake, R.L. (ID = 308419) Amateur-R R-4B; Drake, R.L. (ID = 321383) Amateur-R
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R-4B; Drake, R.L. (ID = 71472) Amateur-R
Drake, R.L.: R-4B [Amateur-R] ID = 71472 933x539
Select picture or schematic to display from thumbnails on the right and click for download.
For model R-4B, Drake, R.L. Miamisburg, Ohio
 
Country:  United States of America (USA)
Manufacturer / Brand:  Drake, R.L. Miamisburg, Ohio
Year: 1967–1973 Category: Amateur-Receiver (amateur bands, may include broadcast bands)
Valves / Tubes 9: 6BZ6 6HS6 12BE6 12BA6 12BA6 6EH5 6HS6 12BA6 12AX7A
Semiconductors (the count is only for transistors) 10: 2N3394 TIS34 2N3858 2N3877 2N3394 2N3394 2N3394 TIS34 2N3394 2N3877
Main principle Superhet, double/triple conversion; ZF/IF 5645 kHz
Wave bands Short Wave (SW only)
Details
Power type and voltage Alternating Current supply (AC) / 120/240 Volt
Loudspeaker - For headphones or amp.
Power out 1.5 W (unknown quality)
from Radiomuseum.org Model: R-4B - Drake, R.L. Miamisburg, Ohio
Material Metal case
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 274 x 140 x 297 mm / 10.8 x 5.5 x 11.7 inch
Notes Triple conversion. 80 to 10 meters HAM-bands plus ten additional 500 KHz ranges, AM/CW/SSB, passband-tuning, IF-notch-filter. Optional synthesizer FS-4 for continuous coverage. Needs external speaker. Matches transmitter T-4XB.
17 Diodes; 2 ICs.
Net weight (2.2 lb = 1 kg) 7.3 kg / 16 lb 1.3 oz (16.079 lb)
Price in first year of sale 400.00 $
Collectors' prices  
Source of data Shortwave Receivers - Past & Present (3rd ed.)

Model page created by Martin Bösch. See "Data change" for further contributors.



All listed radios etc. from Drake, R.L. Miamisburg, Ohio
Here you find 149 models, 91 with images and 48 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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