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Reviews: 2
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Average rating: 4.5/5
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MSRP: $195.
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Description: Super SCAF (switched capacitor audio filter)
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More info: http://
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You can
write your own review of the MSC.
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K3YD
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Rating: 4/5
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Sep 27, 2001 18:45
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Excellent
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Time owned: more than 12 months
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This filter is a real aid with less selective transceivers on CW, phone and even digital modes when the narrow CW filter can't be used (i.e. PSK31) Unlike other audio filters I've used, this one adds no hum, ringing or noticeable distortion.
Downsides? Well, it operates outside the AGC loop, it can't be run on 12 V. DC, and it lacks the notch capability of a modern DSP filter. I think it's very similar to the electronics in the Alpha Delta VRC-2 speaker.
I've owned mine for about 12 years and continue to find it useful. It's a 4 relative only to my NIR-12 which has notch capabilities, but I still prefer the interface of the MSC Smartfilter.
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KA1BTI
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Rating: 5/5
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Sep 27, 2001 10:36
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Best Non DSP?
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Time owned: 0 to 3 months
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Having used several different audio filters before, I can honestly say this one is the best of the bunch.... by Far!
Easy to use (I don't have a manual with mine) and versatile. In CW mode, it has adjustable center/bandwidth frequencies, and on SSB, adjustable Low/High Frequency cutoffs. Also a filter in/out switch, nice LED bar-type display, and a front panel phone jack.
It is not produced anymore (a shame) but you can still find them used. Well worth the small investment.
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