Portable SG4

Country:  Great Britain (UK)
Manufacturer / Brand:  Alliance Radio; (where?)
Year: 1933 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: PM12 PM1HL PM1LF PM202
Main principle TRF with regeneration
Wave bands Broadcast (MW) and Long Wave.
Power out
from Model: Portable SG4 - Alliance Radio; where?
Notes Principle and Wavebands are not certain.
Source of data Valves for Commercial Receivers 1931-1935 – (Mullard)

Model page created by Roy Johnson. See "Data change" for further contributors.

All listed radios etc. from Alliance Radio; (where?)
Here you find 2 models, 0 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.