B28 CDC CDL CR100/7 Admiralty Patt. W2835D

Marconi Co. (Marconiphone, Marconi's Wireless Telegraph Co. Ltd.), GB (not tubes - see also HMV His Master's Voice)

Data
Forum
Pictures
Collections

  • Year
  • 1942–1945 ?
  • Category
  • Military Receiver
  • Radiomuseum.org ID
  • 120412

 Technical Specifications

  • Number of Tubes
  • 12
  • Main principle
  • Superhet with RF-stage; ZF/IF 465 kHz
  • Wave bands
  • Broadcast, Long Wave and more than two Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 200-250 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Power out
  • 1 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: B28 CDC CDL CR100/7 [Admiralty Patt. W2835D] - Marconi Co. Marconiphone,
  • Shape
  • Boatanchor (heavy military or commercial set >20 kg).
  • Dimensions (WHD)
  • 16 x 12.25 x 16.5 inch / 406 x 311 x 419 mm
  • Notes
  • Royal Navy variant, covering 60 kHz - 30 MHz (60-160 / 160-420 / 500-1400 kHz / 1,4-4 / 4-11 / 11-30 MHz), AM, CW (BFO).
    Linear analog dial, logging scales marked with numbers; 5 bandwidths. Speaker out 1000 ohms, high AF level at phones out, usually equipped with R.I.S control left to main tuning knob and input in left upper corder, used to suppress interfering radar signals from the ship's radar system. Also equipped with a noise limiter subchassis (Admiralty Patt. 56703), the switch is located under the hinged lid.
    Common model used by Royal Navy, marked as Admiralty Pattern W2835A (with noise limiter inside) or W2835D and frontplate usually painted blue with white lettering.
  • Net weight (2.2 lb = 1 kg)
  • 37 kg / 81 lb 8 oz (81.498 lb)
  • Mentioned in
  • Wireless for the Warrior Vol.3
  • Author
  • Model page created by Martin Bösch. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum