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Doublette M4A (M4,4A,S4)

Country:  Switzerland
Manufacturer / Brand:  Mediator; La Chaux-de-Fonds
Year: 9999/9999 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: AK2 AF3 AB2 AL4 AZ1
Main principle Super-Heterodyne (Super in general); ZF/IF 128 kHz
Wave bands Broadcast, Long Wave and Short Wave.
Details
Power type and voltage Alternating Current supply (AC) / 110-240 Volt
Loudspeaker Permanent or electro-dynamic (moving coil), system not known yet. / Ø 22 cm = 8.7 inch
Power out
from Radiomuseum.org Model: Doublette M4A - Mediator; La Chaux-de-Fonds
Material Wooden case
Shape Tablemodel, high profile (upright - NOT Cathedral nor decorative).
Dimensions (WHD) 380 x 440 x 280 mm / 15 x 17.3 x 11 inch
Notes [Ringiers U-B 9.1.37]; Unterschiede 4A, Me, S4 ??
Price in first year of sale 315.00 SFr
External source of data E. Erb 3-907007-36-0
Source of data Radiokatalog Band 2, Ernst Erb
Circuit diagram reference Die Tungsram-Tabellen führen das Modell auf.
Picture reference Das Modell ist im «Radiokatalog» (Erb) abgebildet.


All listed radios etc. from Mediator; La Chaux-de-Fonds
Here you find 347 models, 296 with images and 220 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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