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Dublette ID= 2733

Country:  Germany
Manufacturer / Brand:  Opta-(Spezial) (siehe auch Loewe-Opta)
Year: 9999/9999 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: ECH42 EAF42 EL41 AZ41 EFM11
Main principle Superheterodyne (common); ZF/IF 473 kHz
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast, Long Wave and 2 x Short Wave.
Power type and voltage Alternating Current supply (AC) / 110-240 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 22 cm = 8.7 inch
Power out
from Model: Dublette ID= 2733 - Opta-Spezial siehe auch Loewe-
Material Wooden case
Shape Tablemodel, low profile (big size).
Dimensions (WHD) 620 x 373 x 315 mm / 24.4 x 14.7 x 12.4 inch
Notes variable Bandbreite.
Net weight (2.2 lb = 1 kg) 15 kg / 33 lb 0.6 oz (33.04 lb)
Price in first year of sale 339.00 DM
Source of data Kat.d. Rundf.Gr.Handel 1950/51 / Radiokatalog Band 1, Ernst Erb

All listed radios etc. from Opta-(Spezial) (siehe auch Loewe-Opta)
Here you find 49 models, 43 with images and 26 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.