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Total 13 documents matching your query.

1. [Amps] Newbie to list with some RF amp questions (score: 1)
Author: "Randy S." <rj3819@yahoo.com>
Date: Sat, 18 Sep 2010 10:11:00 -0700 (PDT)
Hi de N2CUA, Randy, Taberg, NY I'm new to the list.. Just bought a nice home brew KW HF Amp With a pair of 4-400As for a couple hundred dollars.. I dont believe there is an RF Choke to ground on the
/archives//html/Amps/2010-09/msg00217.html (7,209 bytes)

2. [Amps] HF AMP Issues questions (score: 1)
Author: "Randy S." <rj3819@yahoo.com>
Date: Sun, 19 Sep 2010 09:19:51 -0700 (PDT)
Hi again, Powered up the amp .. filaments light .. blower works .. timer circuits for HV and Blower work. Having trouble tuning it .. Vacuum caps for plate and loading. Have loading cap at minimum. E
/archives//html/Amps/2010-09/msg00221.html (8,719 bytes)

3. Re: [Amps] HF AMP Issues questions (score: 1)
Author: "Randy S." <rj3819@yahoo.com>
Date: Sun, 19 Sep 2010 17:37:27 -0700 (PDT)
UPDATE: Thanks everyone for the assistance .. Much learned. Funny how you learn or assume something incorrectly and it gets stuck in your head for many many years... that applies to this. I knew the
/archives//html/Amps/2010-09/msg00226.html (8,538 bytes)

4. Re: [Amps] Pulse tuning (score: 1)
Author: "Randy S." <rj3819@yahoo.com>
Date: Thu, 23 Sep 2010 23:05:46 -0700 (PDT)
* walks over and kicks the horse .... " you dead yet? * lol Randy - N2CUA PS .. right components or not .. beefy amp or not .. is not max plate dissipation still max plate dissipation. ______________
/archives//html/Amps/2010-09/msg00299.html (7,796 bytes)

5. [Amps] 4-250A testing (score: 1)
Author: "Randy S." <rj3819@yahoo.com>
Date: Mon, 27 Sep 2010 13:10:59 -0700 (PDT)
This tube is on ebay .. Worried about getting an older gassy tube . The seller states .. This auction is for One 4-250 / 5D22 Transmitting Tube. The labeling on this tube has been worn other than the
/archives//html/Amps/2010-09/msg00331.html (7,902 bytes)

6. Re: [Amps] 4-250A testing (score: 1)
Author: "Randy S." <rj3819@yahoo.com>
Date: Mon, 27 Sep 2010 16:58:57 -0700 (PDT)
Yes .. the ebay'er was testing it that way .. Thanks for all the inputs .. Missed that filament voltage .. :( Thats bad .. I think I'll leave it be .. Nice info on the tube being the same except for
/archives//html/Amps/2010-09/msg00336.html (7,182 bytes)

7. Re: [Amps] Which LDG Autotuner for Amp Input? (score: 1)
Author: "Randy S." <rj3819@yahoo.com>
Date: Sun, 10 Oct 2010 16:21:18 -0700 (PDT)
How much is that WD7S imput board? Schematics available to see how its interconnected? Randy - N2CUA _______________________________________________ Amps mailing list Amps@contesting.com http://lists
/archives//html/Amps/2010-10/msg00165.html (7,592 bytes)

8. [Amps] plate collet??? (score: 1)
Author: "Randy S." <rj3819@yahoo.com>
Date: Wed, 5 Jan 2011 17:54:27 -0800 (PST)
What is a plate collet? Randy _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2011-01/msg00038.html (6,179 bytes)

9. Re: [Amps] Tuned Input - IMD and efficiency (score: 1)
Author: "Randy S." <rj3819@yahoo.com>
Date: Sat, 29 Jan 2011 12:23:27 -0800 (PST)
I realize this is returning to an older topic but wanted to add something I tried today. I have a homebrew amp on HF that runs a pair of 4-400A's in GG. Untuned input. So it fits the topic I guess. A
/archives//html/Amps/2011-01/msg00405.html (8,705 bytes)

10. Re: [Amps] Tuned Input - IMD and efficiency (score: 1)
Author: "Randy S." <rj3819@yahoo.com>
Date: Sat, 29 Jan 2011 13:18:52 -0800 (PST)
Ok .. I was informed that I failed to specify what frequency .. This was only done on 40 meters .. so far .. I will most like only use the amp on 80 - 20 meters anyways. Spell checker you say ? well
/archives//html/Amps/2011-01/msg00408.html (9,357 bytes)

11. [Amps] GG tuned input with autotuner (score: 1)
Author: "Randy S." <rj3819@yahoo.com>
Date: Thu, 7 Jul 2011 06:13:12 -0700 (PDT)
Been awhile since I posted a question .. Hope everyone is well .. I have an Z-100 Plus autotuner. GG amp without a tuned input FT-897D rig Situation is this: Remembering what people said about Ground
/archives//html/Amps/2011-07/msg00061.html (7,936 bytes)

12. Re: [Amps] GS35b FWB issue (score: 1)
Author: "Randy S." <rj3819@yahoo.com>
Date: Mon, 11 Jul 2011 15:06:34 -0700 (PDT)
Hi guys ... Was reading thru the posts on this .. For what this is worth ... Seems like those caps may have lost their voltage rating .. perhaps related to the lightning strike? Anyways... Heres some
/archives//html/Amps/2011-07/msg00120.html (8,872 bytes)

13. [Amps] Transformer material weight (score: 1)
Author: "Randy S." <rj3819@yahoo.com>
Date: Thu, 8 Sep 2011 14:21:08 -0700 (PDT)
Question about transformers .. If I was to buy the laminates and wire to wind a 2 KVA transformer and say it weighed 50 lbs. What would be a good guess for how much of that was iron and how much copp
/archives//html/Amps/2011-09/msg00023.html (6,957 bytes)

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