- Country
- Great Britain (UK)
- Manufacturer / Brand
- RGD (Brand), Radio Gramophone Development Co. Ltd.; Birmingham
- Year
- 1959
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 102168
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 6
- Main principle
- Superheterodyne (common); ZF/IF 475 kHz; 2 AF stage(s)
- Tuned circuits
- 5 AM circuit(s)
- Wave bands
- Broadcast (MW) and Long Wave.
- Power type and voltage
- Dry Batteries / 2 x 6 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
- Power out
- 0.45 W (unknown quality)
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: B56B - RGD Brand, Radio Gramophone
- Shape
- Portable set > 8 inch (also usable without mains)
- Notes
-
Portable six transistor MW/LW radio in a plastic case. Released in June 1959 at £18.7s.6d. Powered by two PP1 6 volt batteries connected in series. Socket for car aerial.
The B56B differs from the earlier B56 and B56A model by the virtue that it does not have fixed LW preset, but can be tuned across the LW band.
A similar chassis is fitted to the RGD B57 which has a leather case.
- Price in first year of sale
- 18.38 GBP
- Mentioned in
- -- Original-techn. papers.
- Literature/Schematics (1)
- ERT Service Chart 1271 dated February 18 1961
- Literature/Schematics (2)
- Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (1468 dated 8 October 1960)
- Author
- Model page created by Peter Hoddow. See "Data change" for further contributors.
- Other Models
-
Here you find 148 models, 115 with images and 66 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from RGD (Brand), Radio Gramophone Development Co. Ltd.; Birmingham