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TAPIO KÖYKKÄ and YRJÖ TURKKA, VOIMA OP-3 TUBE AMPLIFIER by Voimaradio Oy 1971.

TAPIO KÖYKKÄ and YRJÖ TURKKA, VOIMA OP-3 TUBE AMPLIFIER by Voimaradio Oy 1971.

Voimaradio Oy, the company of Finnish HiFi-inventor Tapio M. Köykkä, manufactured in 1960’s and 70’s an Ortoperspekta tube receiver/amplifier under the name VOIMA OP-3. Ortoperspekta is a stereophonic system developed by Köykkä, design by Yrjö Turkka. It reproduces a two-channel stereophonic signal through three loudspeakers. Today Voima tube amplifiers are rare and an essential part of Finnish HiFi history.

145x335x465 mm.

Function not tested.

Literature
Auction closed
Hammer price
400
E
U
R
4 212
S
E
K
420
USD
Estimate
600 - 800 EUR
The auction is closed.
Accepted minimum price is met
Bid history (10 bids)
7
Apr 16, 2018 6:49 PM
400 EUR
7
Apr 16, 2018 6:14 PM
390 EUR
7
Apr 16, 2018 6:10 PM
370 EUR
3
Apr 14, 2018 7:54 PM
350 EUR
6
Apr 10, 2018 6:59 PM
320 EUR
5
Apr 9, 2018 6:34 PM
300 EUR
4
Apr 8, 2018 10:07 AM
220 EUR
3
Apr 6, 2018 10:27 PM
200 EUR
2
Apr 6, 2018 5:25 AM
150 EUR
1
Apr 5, 2018 11:23 PM
30 EUR
All times are in CEST
Purchasing info
Contact
Helsinki
Maiju Kemppainen
Appraiser

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