- 1. [Amps] Alpha 76A 3cpx800 Conversion Tuning? (score: 1)
- Author: Rich Hallman - N7TR <rich@n7tr.com>
- Date: Sun, 5 Apr 2015 19:36:11 +0000
- After converting an Alpha 76a to 3CPX800's with a new Peter Dahl upgraded Transformer and installing the new upgraded RFC-3 Plate Choke I am seeing a problem with tuning on 15 and 10 meters. All band
- /archives//html/Amps/2015-04/msg00035.html (7,287 bytes)
- 2. Re: [Amps] Alpha 76A 3cpx800 Conversion Tuning? (score: 1)
- Author: Robert Harmon <k6uj@pacbell.net>
- Date: Sun, 5 Apr 2015 13:47:54 -0700
- Hi Rich, I am in a similar quandary. I upgraded my 76CA to two 3CPX800s along with the Peter Dahl transformer also. I didnt change the existing RFC though. It tunes up beautifully on all bands (excep
- /archives//html/Amps/2015-04/msg00036.html (9,512 bytes)
- 3. Re: [Amps] Alpha 76A 3cpx800 Conversion Tuning? (score: 1)
- Author: Rich Hallman - N7TR <rich@n7tr.com>
- Date: Sun, 5 Apr 2015 21:05:36 +0000
- Bob...Thanks for your email. I did install the RFC3 in the same location as the old RF Choke and upgraded the blocking caps to 1000pf 5KV 858 door knobs. The new RFC3 was a tight fit. I wonder if the
- /archives//html/Amps/2015-04/msg00037.html (10,733 bytes)
- 4. Re: [Amps] Alpha 76A 3cpx800 Conversion Tuning? (score: 1)
- Author: "Carl" <km1h@jeremy.qozzy.com>
- Date: Sun, 5 Apr 2015 20:49:01 -0400
- Ive done several of those conversions using the Ameritron choke which is sold to/by RFP as their RFC-3, its $5 less in the MFJ catalog. I use a piece of hard Teflon wedged in as a spacer from the blo
- /archives//html/Amps/2015-04/msg00038.html (11,852 bytes)
- 5. Re: [Amps] Alpha 76A 3cpx800 Conversion Tuning? (score: 1)
- Author: Robert Harmon <k6uj@pacbell.net>
- Date: Sun, 5 Apr 2015 18:57:31 -0700
- Carl, I have the RF Parts RFC-3. I heard about using an Ameritron choke too, so they are really the same choke then. I was going to drill a new mounting hole and locate the new RFC in a spot with mor
- /archives//html/Amps/2015-04/msg00040.html (13,668 bytes)
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