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Selector for 10 different combinations of tones.
Could be equipped with any two different tuning fork filters
for either 817.5 Hz, 847.5 Hz, 862.5 Hz, 892.5 Hz, 907.5 Hz,
922.5 Hz, 937.5 Hz, 952.5 Hz, 967.5 Hz or 997.5 Hz.
This unit was mainly produced for the swedish market.
New price 1969 in Sweden: SEK 385:-
New price 1972 in Sweden: SEK 467:-
New price 1976 in Sweden: SEK 490:-
New price 1978 in Sweden: SEK 562:-
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