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Stereo Twelve Mk II (12Mk2)

Stereo Twelve Mk II ; Armstrong Wireless (ID = 1044461) Radio
 
Stereo Twelve Mk II ; Armstrong Wireless (ID = 1044462) Radio
Stereo Twelve Mk II ; Armstrong Wireless (ID = 1632696) Radio Stereo Twelve Mk II ; Armstrong Wireless (ID = 1632697) Radio
Stereo Twelve Mk II ; Armstrong Wireless (ID = 1632698) Radio Stereo Twelve Mk II ; Armstrong Wireless (ID = 1632699) Radio
Stereo Twelve Mk II ; Armstrong Wireless (ID = 1731420) Radio Stereo Twelve Mk II ; Armstrong Wireless (ID = 1731421) Radio
Stereo Twelve Mk II ; Armstrong Wireless (ID = 1731424) Radio Stereo Twelve Mk II ; Armstrong Wireless (ID = 1731425) Radio
Stereo Twelve Mk II ; Armstrong Wireless (ID = 1731426) Radio
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Stereo Twelve Mk II ; Armstrong Wireless (ID = 1632696) Radio
Armstrong Wireless: Stereo Twelve Mk II [Radio] ID = 1632696 933x700
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For model Stereo Twelve Mk II (12Mk2), Armstrong Wireless and Television Ltd.; London:
Device in original state at the time I have bought it.
 
Country:  Great Britain (UK)
Manufacturer / Brand:  Armstrong Wireless and Television Ltd.; London
Year: 1963 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 12: ECC85 ECC85 ECH81 EF89 EB91 DM70 ECC85 ECL82 ECL82 ECL82 ECL82 EZ81
Semiconductors (the count is only for transistors) OA81 OA81
Main principle Super-Heterodyne (Super in general); ZF/IF 430/10700 kHz; 4 AF stage(s)
Tuned circuits 6 AM circuit(s)     8 FM circuit(s)
Wave bands Broadcast, Long Wave and FM or UHF.
Details
Power type and voltage Alternating Current supply (AC) / 200-250 Volt
Loudspeaker - This model requires external speaker(s).
Power out 16 W (unknown quality)
from Radiomuseum.org Model: Stereo Twelve Mk II - Armstrong Wireless and
Shape Chassis only or for «building in»
Notes

Radio tuner with stereo amplifier; external MPX decoder required for FM stereo.

Source of data -- Original-techn. papers.
Mentioned in Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (1401)
Literature/Schematics (1) Paul Stennings CD, vol 2.

Model page created by Keith Staines. See "Data change" for further contributors.



All listed radios etc. from Armstrong Wireless and Television Ltd.; London
Here you find 19 models, 17 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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