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An all tubes FM tuner with permeability tuning device.
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21st Feb 2022, 12:41 pm
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Osvaldo LW1DSE
Tetrode
Join Date: Jan 2022
Location: Barrio Garay, Almirante G. Brown, Buenos Aires, Argentina
Posts: 77
Re: An all tubes FM tuner with permeability tuning device.
The mixer responding in the high frequency side of the band, copper slugs inside the coils. No FI amplification.
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