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Classified: Autek Research QF-1a Audio Filter

Date Posted By Category User IP Address
2021-12-16Login requiredFiltersLogin required
Autek Research QF-1A SSB/CW/AM audio filter. You know this was one of the premier filters before DSP and can hold its own against even some current DSP filters! Works fine (all features work), I had this attached to the output of an FT-101ZD. Some slight damage to the two left knobs (only to the front rim of the knobs, nothing sharp, closeup image available--I think it was damaged in someone else's shack or in shipping) but has not affected the function of the knobs at all.
Instruction sheet included.
$90
Shipping available, I use USPS Priority mail at an additional $16.25.