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Customer Reviews for the VEC-821K.

From: Oren Leavitt
Great little filter! Very selective yet not overly resonant (like with a hi Q bandpass filter). One caveat: If you are connecting your speaker from SPKR to GND, the polarity of the electrolytic capacitor C9, at the audio output, should be reversed from what is specified on the PCB. Otherwise C9 will leak a little DC to the speaker and cause excess current draw.

From: Dick Clark G0MOU
Have just built the VEC-821k CW filter, and must say how good it works. The construction was easy, worked first time, the knob was missing from the kit. Up to date I have left it switched on twice, just as well the battery is rechargeable. Future kits should include a simple "on" led. G0MOU.



DL-650M
IT, DUMMY LOAD, 1500W, 0-650 MHZ
$79.95 each



VEC-131K
KIT, AIRCRAFT RECEIVER
$29.95 each



AT-100
SWL ACTIVE ANTENNA, 300KHZ - 30MHZ
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IT, LOW PASS FILTER, 2500W
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