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1. [Amps] Henry 2KD-5 120 Hz Hum (score: 1)
Author: "hamguy2" <hamguy2@fuse.net>
Date: Sun, 6 Aug 2006 14:56:34 -0400
I have a Henry 2KD-5 that I am using on AM running 300 watts. There is a low level but noticeable 120 Hz hum on the unmodulated carrier in CW mode. The hum is super imposed on the AM signal amplitude
/archives//html/Amps/2006-08/msg00225.html (6,552 bytes)

2. [Amps] Henry 2KD-5 120 Hz Hum (score: 1)
Author: "hamguy2" <hamguy2@fuse.net>
Date: Sun, 6 Aug 2006 16:23:31 -0400
It could be 60 Hz. It sounds like 120 though. A local ham with band scope said 60 Hz and not a perfect sine wave. He said it was riding on the signal about 20 dB down. This is an amp I acquired recen
/archives//html/Amps/2006-08/msg00228.html (7,023 bytes)

3. [Amps] Henry 2KD-5 120 Hz Hum (Solution) (score: 1)
Author: "hamguy2" <hamguy2@fuse.net>
Date: Sat, 12 Aug 2006 12:45:41 -0400
Thanks to all that responded on and off reflector. Problem appears to be cockpit error on my part and fuzzy instructions in manual. I connected the chassis ground(green wire) to 220 V neutral in wiri
/archives//html/Amps/2006-08/msg00445.html (7,043 bytes)

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