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1. [Amps] Tank circuit arcing (score: 1): Author: John Becker <johnb3030@comcast.net>; Date: Wed, 09 Jan 2008 12:01:47 -0600; I recently bought a used Henry 3K Premier. Something arcs when I tune it up only on 12M and only with the HV switch in the SSB position. I removed the cover to take a look and found that the rotary i; /archives//html/Amps/2008-01/msg00085.html (8,220 bytes)
2. Re: [Amps] Tank circuit arcing (score: 1): Author: Scott McGrath <mcgrath@fas.harvard.edu>; Date: Wed, 09 Jan 2008 13:12:41 -0500; The insulating coatings suggested are not going to solve the primary issue which is high RF voltages developed in the tank circuit. since you are running out of inductance that suggests that the amp'; /archives//html/Amps/2008-01/msg00086.html (9,262 bytes)
3. Re: [Amps] Tank circuit arcing (score: 1): Author: John Becker <johnb3030@comcast.net>; Date: Fri, 11 Jan 2008 06:38:29 -0600; Why not? Actually, the Henry 3K is designed for continuous coverage. In the "10M" position, it will tune from 24-30 MHz. I'm not running out of inductance on 12M, as the rotary inductor is set for m; /archives//html/Amps/2008-01/msg00094.html (7,944 bytes)

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