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Total 15 documents matching your query.

1. [Amps] 4-400 output problem (score: 1)
Author: Steve Bookout <steve@dx4win.com>
Date: Fri, 06 Jan 2006 11:15:38 -0500
Hello all, Was sitting here thinking about a problem with HB amp I built about 4 years ago, which still perplexes me. Put is aside at the time, figuring I would take a fresh look at it when I got the
/archives//html/Amps/2006-01/msg00218.html (9,279 bytes)

2. [Amps] Source for plate xfrmer (score: 1)
Author: "Steve Bookout" <steve@dx4win.com>
Date: Mon, 13 Feb 2012 13:35:38 -0500 (EST)
Hello all, Where do you look for a new HV plate transformer these days? I understand Peter Dahl is no longer around. I'm looking for 3000 VAC secondary @ 1+ amp CCS. TIA 73 de Steve, NR4M ___________
/archives//html/Amps/2012-02/msg00126.html (6,891 bytes)

3. [Amps] THANKS (score: 1)
Author: "Steve Bookout" <steve@dx4win.com>
Date: Mon, 13 Feb 2012 22:11:11 -0500 (EST)
Hello all, Thanks to all for all the good sources for transformers. Will follow up tomorrow (I have already heard back from Harbaugh.) 73 de Steve, NR4M ______________________________________________
/archives//html/Amps/2012-02/msg00138.html (6,710 bytes)

4. Re: [Amps] Source for plate xfrmer (score: 1)
Author: Steve Bookout <steve@dx4win.com>
Date: Mon, 13 Feb 2012 23:05:53 -0500
Guys, This is where I think i got into trouble. I rebuilt a BTI 2000 that had already had another PS put in place of the original. The resultant load impedance was so far from the original design tha
/archives//html/Amps/2012-02/msg00141.html (14,254 bytes)

5. Re: [Amps] Source for plate xfrmer (score: 1)
Author: Steve Bookout <steve@dx4win.com>
Date: Tue, 14 Feb 2012 09:38:45 -0500
Hello Rob, They are the snap-in type of electrolytic caps. I'm in the house right now, so don't have that info at my fingertips. Will let you know later. Using ten. something like 330 mf @ 450v. 105C
/archives//html/Amps/2012-02/msg00150.html (10,555 bytes)

6. Re: [Amps] Source for plate xfrmer (score: 1)
Author: "Steve Bookout" <steve@dx4win.com>
Date: Tue, 14 Feb 2012 11:00:30 -0500 (EST)
Hello again, Rob, Caps are Nippon Chemicon KMH series 470 mf @ 450v About 1 1/2 inch dia by 2 inch height. Actually, there were 12 of them, not 10 like I said before. Steve, NR4M ____________________
/archives//html/Amps/2012-02/msg00155.html (9,315 bytes)

7. [Amps] Input voltage on HV transformer (score: 1)
Author: Steve Bookout <steve@dx4win.com>
Date: Tue, 12 Jun 2012 09:49:50 -0400
Hello all, Other than the obvious higher output voltage, anything I need to be aware of if I put 240 v on a transformer intended for 220 v. I'm sure that some point voltage breakdown between windings
/archives//html/Amps/2012-06/msg00069.html (6,724 bytes)

8. [Amps] Transformer input (score: 1)
Author: Steve Bookout <steve@dx4win.com>
Date: Tue, 12 Jun 2012 10:19:48 -0400
Thanks everyone. Just wanted to be sure I hadn't overlooked something. 73 de Steve, NR4M " I'd rather have a 'bottle in front of me', than a 'frontal lobotomy' " _____________________________________
/archives//html/Amps/2012-06/msg00073.html (6,559 bytes)

9. Re: [Amps] Acoustic Noise Comparison (score: 1)
Author: Steve Bookout <steve@dx4win.com>
Date: Thu, 21 Jun 2012 21:45:58 -0400
Hello all, Another material I would not hesitate to use is high peel strength ureathane adhesive made by Hardman. It is a 2 part product that comes in small 'double-bubble', single use packages. This
/archives//html/Amps/2012-06/msg00365.html (9,902 bytes)

10. Re: [Amps] 8877 Plate Voltage (score: 1)
Author: Steve Bookout <steve@dx4win.com>
Date: Sun, 1 Jul 2012 15:20:04 -0400
I second that! I've been running one @4200, or so, since '85 with no issues. 22 watts in gives me 1500 out. A 3 db pad sure would make it less touchy, when tuning. 73 de Steve, NR4M _________________
/archives//html/Amps/2012-07/msg00005.html (9,481 bytes)

11. Re: [Amps] Antennae (?) (score: 1)
Author: Steve Bookout <steve@dx4win.com>
Date: Wed, 11 Jul 2012 20:53:47 -0400
What?? 73 de Steve, NR4M _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2012-07/msg00163.html (7,032 bytes)

12. [Amps] SB-220 mods ? (score: 1)
Author: Steve Bookout <steve@dx4win.com>
Date: Tue, 24 Jul 2012 16:53:56 -0400
Hello all, Several years ago, I was given an SB-220 which I was told was dead due to some unknown problem. I ground mounted a multi band vert with lots of radials at the 'lake house' and figured this
/archives//html/Amps/2012-07/msg00261.html (6,702 bytes)

13. Re: [Amps] Dedicated RF (score: 1)
Author: Steve Bookout <steve@dx4win.com>
Date: Sat, 28 Jul 2012 21:09:04 -0400
Except for $$$$$$$$$$$$$$$$$$$$ 73 de Steve, NR4M _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2012-07/msg00350.html (9,726 bytes)

14. Re: [Amps] 3CX1500A7/8877 vs el cheapo GS-35B (score: 1)
Author: Steve Bookout <steve@dx4win.com>
Date: Tue, 31 Jul 2012 19:38:13 -0400
BIG iron, clean metal, flux, get in/get out. It would need to be almost instantaneous. Couple secs max. 73 de Steve, NR4M _______________________________________________ Amps mailing list Amps@contes
/archives//html/Amps/2012-07/msg00458.html (9,391 bytes)

15. Re: [Amps] High voltage rectifier / capacitor board material? (score: 1)
Author: Steve Bookout <steve@dx4win.com>
Date: Thu, 6 Sep 2012 20:33:45 -0400
Hello all, Abt 25 years ago, I used HDPE for a coil form/ support for my HB 8877 amp. I notched the edge to control the pitch of the coil. Worked out nicely. Several months ago, it caught fire during
/archives//html/Amps/2012-09/msg00099.html (11,178 bytes)


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