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Defiant M900

ID = 78463

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Co-operative: Defiant M900 [Radio] ID = 722242 640x623

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For model Defiant M900, Co-operative Wholesale Society (CWS) - Defiant; Manchester

Country:

Manufacturer / Brand:

Brand

Defiant

Year: 1935

Category: Broadcast Receiver - or past WW2 Tuner

Valves / Tubes

4: AC/VP1 AC/S2 AC2/Pen UU3

Main principle	to an article TRF (Tuned-Radio-Frequency but use of regeneration unknown)
Wave bands	Broadcast (MW) and Long Wave.
Details
Power type and voltage	Alternating Current supply (AC)
Loudspeaker	-Loudspeaker incorporated, but system not known.
Power out
from Radiomuseum.org	Model: Defiant M900 - Co-operative Wholesale Society
Material	Bakelite case
Shape	Design Radio or Novelty / Gadget - fancy or unusual shape.
Dimensions (WHD)	13 x 12.5 x 7.75 inch / 330 x 318 x 197 mm
Notes	Brown Bakelite. Unusual shape. Chassis made by Plessey.
Source of data	Radio! Radio!
Literature/Schematics (1)	-- Original-techn. papers.

Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

All listed radios etc. from Co-operative Wholesale Society (CWS) - Defiant; Manchester
Here you find 101 models, 47 with images and 62 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.

Forum contributions about this model

Co-operative: Defiant M900

Threads: 1 | Posts: 1

Hits: 1474 Replies: 0

Simon Vaughan
14.Oct.09

This is a Straight 4 valve receiver with energised loudspeaker

The Valve line-up for this set is

AC/VP1 Met (Mazda)
AC/S2 PEN Met (Mazda) or SP4B Met (mullard) alternative added from 20/09/35
AC/2 Pen Clear (Mazda)
UU4 Clear (Mullard)

Hope this information taken from a Co-Op service bulletin helps

Co-operative: Defiant M900
End of forum contributions about this model