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681P; Asa, Turku (ID = 259107) Radio
681P; Asa, Turku (ID = 259108) Radio
681P; Asa, Turku (ID = 259109) Radio
681P; Asa, Turku (ID = 259110) Radio
681P; Asa, Turku (ID = 259111) Radio
681P; Asa, Turku (ID = 1263278) Radio 681P; Asa, Turku (ID = 1359274) Radio
681P; Asa, Turku (ID = 1359275) Radio 681P; Asa, Turku (ID = 1359276) Radio
681P; Asa, Turku (ID = 1359277) Radio 681P; Asa, Turku (ID = 1359278) Radio
681P; Asa, Turku (ID = 1359279) Radio
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681P; Asa, Turku (ID = 1263278) Radio
Asa, Turku: 681P [Radio] ID = 1263278 922x692
Select picture or schematic to display from thumbnails on the right and click for download.
For model 681P, Asa, Turku
Country:  Finland
Manufacturer / Brand:  Asa, Turku
Year: 1949 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: DF21 DK21 DF21 DAC21 DM21 DL21
Main principle Superhet with RF-stage; ZF/IF 485 kHz; 2 AF stage(s)
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Power type and voltage Storage and/or dry batteries / 1,5 or 2 & 90-120 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch
Power out 0.8 W (unknown quality)
from Model: 681P - Asa, Turku
Material Wooden case
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 470 x 320 x 280 mm / 18.5 x 12.6 x 11 inch

Similar to ASA 102P, but with addition of Magic Eye DM21.
Operates for shortwave without RF preamplification, then 6 circuits.

Mentioned in -- Original-techn. papers.

Model page created by Lasse Nirhamo. See "Data change" for further contributors.

All listed radios etc. from Asa, Turku
Here you find 296 models, 209 with images and 126 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.