Datong FL3 Multi-Mode High-Pass/Low-Pass/Notch Audio Filter
The Datong Model FL3 Multimode Audio Filter connects between your receiver or transceiver and speaker. It provides adjustable selectivity plus automatic notch filtering tailored to suit reception of SSB, CW, RTTY, SSTV and AM signals.
Technical info
here
Instruction manual
here and
here
E-Ham reviews
here
Unit is in good condition (case has some scratches on top)
$100 (includes CONUS freight)
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