- Country
- Great Britain (UK)
- Manufacturer / Brand
- British Wireless for the Blind Fund (BWBF); London, Chatham
- Year
- 1979–1982
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 333795
- Number of Transistors
- 11
- Main principle
- Superheterodyne (common); ZF/IF 470/10700 kHz; 3 AF stage(s)
- Wave bands
- Broadcast, Long Wave and FM or UHF.
- Power type and voltage
- Dry Batteries / PP9: 1 x 9 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm
- Power out
- 0.45 W (unknown quality)
- Material
- Leather / canvas / plastic - over other material
- from Radiomuseum.org
- Model: Roberts RT22 - British Wireless for the Blind
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 245 x 106 x 75 mm / 9.6 x 4.2 x 3 inch
- Notes
-
A 3 band AM/FM portable transistor radio housed in a wooden case with leathercloth trim on the back and front and with teak end panels, a Roberts RT22 transistor radio acquired by the British Wireless for the Blind Fund with a 3.5mm jack for an earphone fitted. The list of semiconductors excludes those in the sealed Roberts RR1412/4 FM module.
Waveband Coverage
MW 185-566 metres (1620-530kHz)
LW 1152-2000 metres (265-150kHz)
VHF 87-5-104.5 MHz
- Net weight (2.2 lb = 1 kg)
- 1.5 kg / 3 lb 4.9 oz (3.304 lb)
- Literature/Schematics (1)
- Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (3357 dated 21 Mar 1979)
- Literature/Schematics (2)
- - - Manufacturers Literature (Roberts technical data RT22 FM/AM Transistor Portable)
- Author
- Model page created by Howard Craven. See "Data change" for further contributors.
- Other Models
-
Here you find 4 models, 4 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from British Wireless for the Blind Fund (BWBF); London, Chatham
Collections
The model Roberts RT22 is part of the collections of the following members.