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Four-Valve Portable

Four-Valve Portable ; Lissen Ltd.; London (ID = 1297305) Radio
Four-Valve Portable ; Lissen Ltd.; London (ID = 1297098) Radio
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Four-Valve Portable ; Lissen Ltd.; London (ID = 1297098) Radio
Lissen Ltd.; London: Four-Valve Portable [Radio] ID = 1297098 728x846
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For model Four-Valve Portable, Lissen Ltd.; London and Richmond, Surrey:
From Service Engineer supplement
 
Country:  Great Britain (UK)
Manufacturer / Brand:  Lissen Ltd.; London and Richmond, Surrey
Year: 1934 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: SG2V HL2 L2 BB220A
Main principle TRF with regeneration; 2 AF stage(s)
Tuned circuits 2 AM circuit(s)
Wave bands Broadcast (MW) and Long Wave.
Details
Power type and voltage Storage and/or dry batteries / 2 & 6 & 9 & 60 & 120 Volt
Loudspeaker Presumably Dynamic Loudspeaker (moving coil)
Power out
from Radiomuseum.org Model: Four-Valve Portable - Lissen Ltd.; London and
Material Leather / canvas / plastic - over other material
Shape Portable set > 8 inch (also usable without mains)
Notes

Tapped HT dry battery provided the -9V grid bias.
Push pull output using a dual triode.

Might be the Lissen 8102 or nearly identical

Literature/Schematics (1) March 1935 Service Engineer Supplement to The Broadcaster

Model page created by Michael Watterson. See "Data change" for further contributors.



All listed radios etc. from Lissen Ltd.; London and Richmond, Surrey
Here you find 145 models, 109 with images and 54 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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