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Sigma Four BV5770CA

Country:  Great Britain (UK)
Manufacturer / Brand:  Bush Radio; London
Year: 1976 ? Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) 14:
Main principle Superheterodyne (common); ZF/IF 470/10700 kHz
Wave bands Broadcast, Long Wave and FM or UHF.
Power type and voltage Line / Storage batteries (perhaps also batteries) / 240 / 4 x 1,5 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
Power out 0.6 W (unknown quality)
from Model: Sigma Four BV5770CA - Bush Radio; London
Material Modern plastics (no Bakelite or Catalin)
Shape Portable set > 8 inch (also usable without mains)

Includes the VHF Aircraft/Weather Sat/Amateur 2m bands in one range: 114MHz - 146MHz. 

Earphone socket. DIN socket for tape recorder.

Literature/Schematics (1) ERT Service Chart 2148

Model page created by Howard Craven. See "Data change" for further contributors.

All listed radios etc. from Bush Radio; London
Here you find 343 models, 270 with images and 228 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.