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Voima OP-3

Voima OP-3; Voima, Helsinki (ID = 1069396) Radio Voima OP-3; Voima, Helsinki (ID = 1069397) Radio
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Voima OP-3; Voima, Helsinki (ID = 1069396) Radio
Voima, Helsinki: Voima OP-3 [Radio] ID = 1069396 933x589
Select picture or schematic to display from thumbnails on the right and click for download.
For model Voima OP-3, Voima, Helsinki
Country:  Finland
Manufacturer / Brand:  Voima, Helsinki
Year: 1970 ?? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 9: unknown_Tube EL84 EL84 EL84 EL84
Semiconductors (the count is only for transistors) Semiconductors present.
Main principle Superheterodyne (common)
Wave bands FM Broadcast Band Only
Power type and voltage Alternating Current supply (AC) / 220 Volt
Loudspeaker - This model requires external speaker(s).
Power out 18 W (unknown quality)
from Model: Voima OP-3 - Voima, Helsinki
Material Metal case
Dimensions (WHD) 145 x 335 x 465 mm / 5.7 x 13.2 x 18.3 inch
Notes This Voima OP-3 was designed and made by Finnish legendary audio designer Tapio Köykkä.
Ortoperspecta tuner-amplifier. Main channel (M) 12W (2x EL84) PPP A/B class.
Side (S) channels (R-L and L-R) 2x 3W (EL84 per channel) single ended A-class.
FM tuner designed by Danish manufacturer Larsholt and modified for the Ortoperspecta system by Köykkä.
Net weight (2.2 lb = 1 kg) 17 kg / 37 lb 7.1 oz (37.445 lb)

Model page created by Jouni Tornberg. See "Data change" for further contributors.

All listed radios etc. from Voima, Helsinki
Here you find 8 models, 5 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.