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O.V.B.4; Minimax, Radio- (ID = 1825776) Radio
O.V.B.4; Minimax, Radio- (ID = 1579783) Radio O.V.B.4; Minimax, Radio- (ID = 1637253) Radio
O.V.B.4; Minimax, Radio- (ID = 1678939) Radio O.V.B.4; Minimax, Radio- (ID = 1825777) Radio
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O.V.B.4; Minimax, Radio- (ID = 1579783) Radio
Minimax, Radio-: O.V.B.4 [Radio] ID = 1579783 933x787
Select picture or schematic to display from thumbnails on the right and click for download.
For model O.V.B.4, Minimax, Radio-Onderneming, Beek en Donk:
Picture from collection of Frans Donkers (NL).
Country:  Netherlands
Manufacturer / Brand:  Minimax, Radio-Onderneming, Beek en Donk
Year: 1926 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: A409 A409 B406 B406
Main principle TRF with regeneration
Wave bands Broadcast (MW) and Long Wave.
Power type and voltage Storage and/or dry batteries
Loudspeaker - This model requires external speaker(s).
Power out
from Model: O.V.B.4 - Minimax, Radio-Onderneming,
Material Wooden case, TUBES VISIBLE.
Shape Tablemodel, slant panel.

The 4 tube model O.V.B.4 is an extension of the 3 tube model O.V.3.

Mentioned in Radio Historisch Tijdschrift, Nr. 151, December 2014

Model page created by Gidi Verheijen. See "Data change" for further contributors.

All listed radios etc. from Minimax, Radio-Onderneming, Beek en Donk
Here you find 23 models, 21 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.