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21. Re: [Amps] Band switch (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Sat, 11 Dec 2010 12:38:47 -0800 (PST); Well, that is basically true - but not absolute... They also made tapped tank coil ham models (per my shaky memory though I never owned one) and I specifically know that they made high power single b; /archives//html/Amps/2010-12/msg00111.html (8,082 bytes)
22. [Amps] PI-L Thoughts! (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Sat, 11 Dec 2010 12:50:33 -0800 (PST); Forget messing up the Q, it's gonna drive you to drink... For 10 meter correction of excess Tune C, you will have to have an inductance in series with the plate lead of the tube... It can be on eithe; /archives//html/Amps/2010-12/msg00112.html (6,749 bytes)
23. [Amps] A Filament Query (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Fri, 14 Jan 2011 12:42:31 -0800 (PST); Here are a few references I have bookmarked in my electron tube folder... Black heat is normally ruinous to tubes - ymmv - I ruined a really nice 3CX1200 when the carefully adjusted filament voltage; /archives//html/Amps/2011-01/msg00141.html (7,331 bytes)
24. Re: [Amps] A Filament Query (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Sat, 15 Jan 2011 05:22:40 -0800 (PST); Roger and Carl... I'm aware of the cycling number, which is why after mulling it over in my mind I opted to recommend the 3% drop during the idle periods as opposed to attempting to hit the magic min; /archives//html/Amps/2011-01/msg00151.html (8,037 bytes)
25. [Amps] RD100HHF1 work in 6m (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Sun, 20 Nov 2011 04:10:30 -0800 (PST); denny / k8do ________________________________ Hsu, I have an SGC500 that I have used in the boat/truck/shack... I have learned a few things... First, is that you need a good battery set, at least; /archives//html/Amps/2011-11/msg00089.html (8,199 bytes)
26. Re: [Amps] 200-ohm tank and "un-un" in HF amp design? (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Tue, 22 Oct 2013 15:00:28 -0700 (PDT); Roger - Palstar is no longer in the amp business. I have the first HF2500E he built. I flew down there a few times to watch the build. I flew there to pick it up on a Friday afternoon when they told; /archives//html/Amps/2013-10/msg00405.html (10,419 bytes)

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