• 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
• 1941–1945 ?

• Category
• Military Receiver

• Radiomuseum.org ID
• 120408

• Number of Tubes
• 11

• Valves / Tubes
• KTW62 KTW62 X66 KTW62 KTW62 KTW62 KTW62 DH63 KT63 KTW62 U50

• 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
• 2 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Admiralty Patt. W2835A CR100/4 Type B28 - 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;
  used by Royal Navy, marked as Admiralty Pattern W2835A and frontplate usually painted blue with white lettering.

• Net weight (2.2 lb = 1 kg)
• 37 kg / 81 lb 8 oz (81.498 lb)

• Source of data
• -- Original-techn. papers.

• Mentioned in
• Wireless for the Warrior Vol.3

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

• Other Models

• Here you find 502 models, 335 with images and 317 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)