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Total 78 documents matching your query.

1. [Amps] SB-220 (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Thu, 27 Mar 2008 17:50:58 -0400
Hi all, As an experiment and educational opportunity, I am preparing to rebuild two SB-220s that I just bought for the purpose. I intend to go all the way to the metal and start over, just like I was
/archives//html/Amps/2008-03/msg00296.html (7,298 bytes)

2. Re: [Amps] SB-220 (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Thu, 27 Mar 2008 21:10:56 -0400
Hi Rick, Could you give me the name of the article? My QST collection only goes back to 1999, but ARRL may have archived the article or I may be able to find it elsewhere if I could get the name. I w
/archives//html/Amps/2008-03/msg00298.html (8,068 bytes)

3. [Amps] Retraction with regard to the SB220 (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Thu, 27 Mar 2008 22:22:06 -0400
Okay, someone just told me I've committed a faux pas. I've come here to correct myself. There's a subject regarding my two project amps (both SB-220's) that just isn't discussed in public anymore due
/archives//html/Amps/2008-03/msg00300.html (7,865 bytes)

4. Re: [Amps] Retraction with regard to the SB220 (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Thu, 27 Mar 2008 23:05:22 -0400
Well, I probably would, except the decision was already made for me by the previous owner(s). They're already in pieces. I have purposely acquired guaranteed non-working units, precisely because I wa
/archives//html/Amps/2008-03/msg00302.html (9,038 bytes)

5. [Amps] SB-220 Panel Meters... (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Mon, 31 Mar 2008 23:08:01 -0400
Well, I opened the boxes on my eBay project amps, and one of the meters was destroyed in transit. Looking through Google, I see words like "unobtanium" and phrases like "forget about it". I'm not a s
/archives//html/Amps/2008-03/msg00399.html (6,689 bytes)

6. [Amps] 3 1/8 to 7/16 ? (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Tue, 15 Apr 2008 17:50:40 -0400
Grumman used to make an adaptor kit but it may not have had a 7/16 in it. Grumman Rigid Coaxial Adapter Kit, Grumman P/N 123SEAV16550-1 There's one shown at http://www.torontosurplus.com/ but I can't
/archives//html/Amps/2008-04/msg00201.html (6,945 bytes)

7. Re: [Amps] 3 1/8 to 7/16 ? (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Wed, 16 Apr 2008 15:28:08 -0400
Hi Andy, What was the best solution, in case this comes up again? It seems like a good bit of data to file back for future use. Thanks, Jeff/KD4RBG -- Original message -- ____________________________
/archives//html/Amps/2008-04/msg00221.html (6,917 bytes)

8. [Amps] Painting xfmrs (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Mon, 5 May 2008 16:03:16 -0400
Hi all, I am currently refurbing a SB-220 and I'm using transformers from other units. These transformers are dusty and I was thinking about re-painting them black for that "new" look. I can't think
/archives//html/Amps/2008-05/msg00049.html (7,663 bytes)

9. Re: [Amps] Painting xfmrs (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Mon, 5 May 2008 16:54:32 -0400
With one or two exceptions, the opinion of the list seems to be to paint the transformer, with more than one person saying they regularly do so, especially with transformers-in-a-can like the SB-220
/archives//html/Amps/2008-05/msg00055.html (7,966 bytes)

10. Re: [Amps] DJvu and the Russians (was How to safely clean an amplifier?) (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Sat, 31 May 2008 16:30:55 -0400
Yes, the Russians and a few others still use DJvu, and if you ever do much of anything with old public safety gear in terms of making repeaters or moving old radios to the ham bands, you will find yo
/archives//html/Amps/2008-05/msg00223.html (8,499 bytes)

11. [Amps] Input coils for SB-220 (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Tue, 3 Jun 2008 15:27:36 -0400
Hi all, Looking at the input coils of the SB-220, it seems like it would be fairly trivial to construct one *if* you could get the raw materials. Does the group have a favorite solution or source? Al
/archives//html/Amps/2008-06/msg00008.html (6,575 bytes)

12. [Amps] SB-220 Capacitor Bank (score: 1)
Author: Jeff Carter <amps@hidden-valley.com>
Date: Fri, 20 Jun 2008 15:14:01 -0400
Hi all, When you replace the capacitor bank in an SB-220, considering the difference in sizes between new caps and the old ones, how are you securing the caps to the chassis? I've bought the caps and
/archives//html/Amps/2008-06/msg00148.html (7,129 bytes)

13. Re: [Amps] SB-220 Capacitor Bank (score: 1)
Author: Jeff Carter <amps@hidden-valley.com>
Date: Fri, 20 Jun 2008 22:37:50 -0400
I'm thinking about just hot gluing the caps directly to the chassis, I can't think of any reason why it would matter. Terminal up, like you're talking about, I can't see how they'd arc. What do you t
/archives//html/Amps/2008-06/msg00151.html (9,682 bytes)

14. [Amps] Fwd: Re: Input Coils...SB-220 (score: 1)
Author: Jeff Carter <amps@hidden-valley.com>
Date: Tue, 1 Jul 2008 18:45:56 -0400
Amp Folks: Could you please help Lou and I out? As I posted earlier, I'm documenting my SB-220 rebuild at http://www.kd4rbg.com and Lou can't see it. I can't think of why, there's nothing unusual abo
/archives//html/Amps/2008-07/msg00006.html (7,978 bytes)

15. [Amps] Replacement Meters (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Tue, 5 Aug 2008 21:48:42 -0400
Hello all, In the past, there's been several ideas on this reflector about replacement Heathkit meters. One of my personal favorites was that somebody figured out the other Heathkit projects that had
/archives//html/Amps/2008-08/msg00040.html (6,781 bytes)

16. [Amps] Parts Begging (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Wed, 3 Sep 2008 00:12:26 -0400
Hi all, Working on a SB-220, and I need a few things. You probably all have some of it in your junkboxes. Specifically, I need: 71-2 Ceramic feedthrough insulator 407-145 Meter 407-146 Meter Please l
/archives//html/Amps/2008-09/msg00010.html (6,853 bytes)

17. Re: [Amps] Parts Begging not really begging just asking (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Thu, 4 Sep 2008 14:02:01 -0400
At this point, I have two working meters, but they don't have faces. Does anybody have the plastic meter faces that fit the Heathkit SB-220 type meters? The plastic is all I need now, I tested the me
/archives//html/Amps/2008-09/msg00015.html (7,534 bytes)

18. [Amps] SB-220 (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Thu, 4 Sep 2008 18:11:14 -0400
Okay, one more time and I'll shut up. I know at least two of you work on amps and you have to have a huge broken parts bin. I have been able through the grace of the Amateur Radio community to come u
/archives//html/Amps/2008-09/msg00016.html (7,136 bytes)

19. Re: [Amps] Linear Amps (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Tue, 2 Dec 2008 22:29:46 -0500
But...I thought that's what a Ham club *was*! I'm a dues-paying member of about three clubs. One is a University club where it's mostly semi-interested students and maybe one in twenty goes on to get
/archives//html/Amps/2008-12/msg00054.html (10,697 bytes)

20. Re: [Amps] Linear Amps (score: 1)
Author: "Jeff Carter" <amps@hidden-valley.com>
Date: Wed, 3 Dec 2008 15:49:21 -0500
Hank, Thanks so much for writing. While I still feel a bit sad for having missed the Golden Age of Amateur Radio, without the work done by you and your contemporaries, it's possible that I might have
/archives//html/Amps/2008-12/msg00076.html (9,935 bytes)

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