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MK-302; Microphona Mikrofona (ID = 2345257) Radio MK-302; Microphona Mikrofona (ID = 2345259) Radio
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MK-302; Microphona Mikrofona (ID = 2345257) Radio
Microphona Mikrofona: MK-302 [Radio] ID = 2345257 576x768
Select picture or schematic to display from thumbnails on the right and click for download.
For model MK-302, Microphona (Mikrofona), Bratri Knotkove, Praha-Strasnice
Country:  Czechoslovakia
Manufacturer / Brand:  Microphona (Mikrofona), Bratri Knotkove, Praha-Strasnice
alternative name
Telefony Microfona
Year: 1934 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: RENS1264 RENS1204 RES964 RGN1064
Main principle TRF (Tuned-Radio-Frequency but use of regeneration unknown)
Tuned circuits 3 AM circuit(s)
Wave bands Broadcast (MW) and Long Wave.
Power type and voltage Alternating Current supply (AC) / 120; 130; 220; 235 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: MK-302 - Microphona Mikrofona, Bratri
Material Wooden case
Shape Tablemodel, high profile (upright - NOT Cathedral nor decorative).
Dimensions (WHD) 350 x 420 x 243 mm / 13.8 x 16.5 x 9.6 inch
Price in first year of sale 1'950.00 Kc
Source of data -- Original prospect or advert

Model page created by Gabriel Toth. See "Data change" for further contributors.

All listed radios etc. from Microphona (Mikrofona), Bratri Knotkove, Praha-Strasnice
Here you find 67 models, 50 with images and 44 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.