- 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)
- Radiomuseum.org ID
- 120421
- Number of Tubes
- 8
- Main principle
- Superhet with RF-stage; ZF/IF 570 kHz
- Wave bands
- Broadcast, Long Wave and more than two Short Wave bands.
- Power type and voltage
- Powered by external power supply or a main unit.
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Power out
- 2 W (unknown quality)
- Material
- Metal case
- from Radiomuseum.org
- Model: CR300/2 - Marconi Co. Marconiphone,
- Shape
- Boatanchor (heavy military or commercial set >20 kg).
- Dimensions (WHD)
- 16.25 x 13.75 x 16.12 inch / 413 x 349 x 409 mm
- Notes
-
Civilian maritime offshore receiver covering 15 kHz - 25 MHz in eight 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 24 Volts AC heaters and 250 Volts DC B+ or 110/220 Volts DC or 230 Volts AC with matching 889 power supply (rectifier tube 0Z4).
- 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.
- Author
- Model page created by Martin Bösch. See "Data change" for further contributors.
- Other Models
-
Here you find 500 models, 334 with images and 316 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)