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CR300/2

CR300/2; Marconi Co. (ID = 1506500) Commercial Re CR300/2; Marconi Co. (ID = 1506496) Commercial Re
CR300/2; Marconi Co. (ID = 1506501) Commercial Re CR300/2; Marconi Co. (ID = 1506494) Commercial Re
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CR300/2; Marconi Co. (ID = 1506500) Commercial Re
Marconi Co.: CR300/2 [Commercial Re] ID = 1506500 933x794
Select picture or schematic to display from thumbnails on the right and click for download.
For model CR300/2, Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)
 
Country:  Great Britain (UK)
Manufacturer / Brand:  Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)
Year: 1943–1946 ? Category: Commercial Receiver (may include amateur bands)
Valves / Tubes 8: KTW61 X66 KTW61 KTW61 DH63 KTW61 6V6G KTW61
Main principle Superhet with RF-stage; ZF/IF 570 kHz
Wave bands Broadcast, Long Wave and more than two Short Wave bands.
Details
Power type and voltage Powered by external power supply or a main unit.
Loudspeaker - For headphones or amp.
Power out 2 W (unknown quality)
from Radiomuseum.org Model: CR300/2 - Marconi Co. Marconiphone,
Material Metal case
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 16.25 x 13.75 x 16.12 inch / 413 x 349 x 409 mm
Notes Civilian maritime receiver covering 15 - 25 MHz in 8 ranges (15-85 / 375-1000 kHz (both IF 98 kHz) / 85-210 / 210-550 kHz, 1-2,6 / 2,6-6,8 / 6,8-17 / 17-25 MHz (with IF 570 kHz)); AM, CW (BFO).
Analog dial, logging dial with numbers, 690 kHz crystal calibrator (harmonics within marine bands), internal speaker.
Powered by 24V AC heaters and 250V DC B+ or 110/220V DC or 230V AC with matching 889 power supply (rectifier tube 0Z4).
CR300/2 mainly used on civil vessels.
Net weight (2.2 lb = 1 kg) 24.8 kg / 54 lb 10 oz (54.626 lb)
Source of data Shortwave Receivers - Past & Present (3rd ed.)
Mentioned in -- Original-techn. papers.

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



All listed radios etc. from Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)
Here you find 484 models, 296 with images and 311 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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