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eHam.net
https://www.eham.net/reviews/view-product?id=12356
Describe your experience with the Aftronics Super SCAF Audio Filter and tell us why you give it the rating you did (required). Other useful information would include your experience with similar products, infomation on a product that you would purchase …
SCAF audio filter build – Dhakajack
http://blog.templaro.com/scaf-audio-filter-build/
SCAF audio filter build I have a few CW rigs that have lousy filtering. Rockmites and other low part count direct conversion rigs naturally don’t have much in the way of selectivity, but this is also (unfortunately) true of my unmodified Yaesu FT-817nd.
eHam.net
https://www.eham.net/reviews/view-product?id=12355
Fantasit Audio Filter Time Owned: 0 to 3 months. I recently purchased the Aftronics Super SCAF on eBay for an excellent price. For a review of this filter, go to QST April '86. There the product was described by it's developers. It was later sold as an assembled unit. I have a bunch (!!) of audio filters from Datong, Timewave, Idiom Press, etc.
Ham Supply LogiKit SCAF-1 – Bandpass Filter
https://www.hamsupply.com/logikit-scaf-1-noise-filter/
Using a modern but little known technology called SCAF filtering, the SCAF-1 is an active audio low pass filter offering user control of the filter cut-off frequency, yielding a stunning 96dB per octave roll-off of signals above the cut off frequency, and no white noise. It is the perfect partner for your crystal or mechanical filters.
The Idiom Press SCAF-1 Audio Filter
https://www.hamsupply.com/wp-content/uploads/2016/07/SCAF_Review.pdf
the filter is in or out of the circuit. The knob sets the low-pass filter’s cutoff fre-quency, which ranges from 450 Hz to 3.5 kHz. The SCAF-1 rolls off, or atten-uates, audio signals at 96 dB per octave (audio frequency doubles or halves by octaves) above whatever cutoff fre-quency is set. Also of importance to me is the filter’s small size.
MSC Smart Filter - SCAF audio filter - YouTube
https://www.youtube.com/watch?v=Ysgtlx3xiHg
The MSC Smart Filter was produced between 20 and 25 years ago. For SSB you can set the low and high frequency cutoff points. For CW you can set the center fr...
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