Autek Research IC Active Filter QF1 $50. OBO plus $15 shipping to lower 48 Non-smoking home. Good condition but is used with just a few light...
Cleaning out some extra gear that I don't need anymore. Everything except the MFJ keyer has been tested to work within the last couple of months....
The owner operator of Autek Research is SK. He passed away several years ago after a long illness so anyone having issues with Autek that resulted...
Selling a Autek Research QF-1 in nice condition. Works great. Priced at just $35 shipped to CONUS.[ATTACH] Paypal or USPS Money Order preferred....
Selling a Autek Research QF-1A in nice condition. Since I've added the optional filters to my Kenwood transceivers I no longer need this filter....
Selling a Autek Research QF-1 in nice condition. Asking $40 shipped to CONUS. Contact K6FNI@ARRL.NET [ATTACH]
Filter works but is in excess to my needs. Just purchased a new rig with DSP filtering. Clean and from a non-smoking home. Cabinet in excellent...
