AUTEK RESEARCH MODEL QF-1A SSB CW AM AUDIO FILTER NOTCH PEAK LOW HIGH PASS For Sale -
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AUTEK RESEARCH MODEL QF-1A SSB CW AM AUDIO FILTER NOTCH PEAK LOW HIGH PASS:
$49.73
AUTEK RESEARCH MODEL QF-1A AUDIO FILTERThis unit is placed in series with the output of your receiver and speaker. It has 4 functions: peak, notch, low pass, highpass. All filters are fully adjustable for an almost limitless possible number of combinations. The notch will drop signals about 60 db down. Ideal for tuning out hetrodynes. The peak filter section is useful for cw signals to effectively narrow the bandpass of your receiver.Unit will work on cw, ssb and am signals.Used, tested, guaranteed fully working. Comes with a copy of the original instructions.Shipping is $11.50 for USPS Priority mail. USA sales and shipping only. No exceptions. Payment by PayPal as per rules.I stand by everything I sell, and should something arrive not as it should be - contact me before leaving response. I strive to make sure you are happy with your purchase. Check my response before you offer.Thank you for your offer, good luck and best wishes - Bob
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