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H234U-20; NSF Nederlandsche (ID = 1866415) Radio
H234U-20; NSF Nederlandsche (ID = 1329720) Radio H234U-20; NSF Nederlandsche (ID = 1329722) Radio
H234U-20; NSF Nederlandsche (ID = 1329724) Radio
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H234U-20; NSF Nederlandsche (ID = 1329720) Radio
NSF Nederlandsche: H234U-20 [Radio] ID = 1329720 640x360
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For model H234U-20, NSF (Nederlandsche Seintoestellen Fabriek); Leuven
Country:  Belgium
Manufacturer / Brand:  NSF (Nederlandsche Seintoestellen Fabriek); Leuven
Year: 1949 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: UCH21 UAF42 UAF42 UL41 UY41
Main principle Super-Heterodyne (Super in general)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Power type and voltage AC/DC-set / 110-220 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 16 cm = 6.3 inch
Power out
from Model: H234U-20 - NSF Nederlandsche
Material Bakelite case
Shape Tablemodel, low profile (big size).
Dimensions (WHD) 450 x 310 x 220 mm / 17.7 x 12.2 x 8.7 inch
Net weight (2.2 lb = 1 kg) 5.6 kg / 12 lb 5.4 oz (12.335 lb)

Model page created by Ralf Plaga. See "Data change" for further contributors.

All listed radios etc. from NSF (Nederlandsche Seintoestellen Fabriek); Leuven
Here you find 107 models, 56 with images and 75 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.