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Total 94 documents matching your query.

1. [Amps] YOKOGAWA Medical Amplifier (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Mon, 23 Mar 2009 05:10:46 +0000
I have a chance to pick up one of these, it has two 3-500Z's in it. The Model Number is 9306UL. I would like to put it on 6 Meters. Has anyone had any experience with one of these ? Does anyone have
/archives//html/Amps/2009-03/msg00505.html (6,451 bytes)

2. [Amps] Amplifier Candidate for 6 Meter Conversion (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Sat, 28 Mar 2009 22:41:14 +0000
The deal for the Yokogawa did not materialize. The price was more than I thought it was worth. So, I am looking for an amp to convert to 6 Meters. Something with a pair of 3-500Z's would be more to m
/archives//html/Amps/2009-03/msg00517.html (6,624 bytes)

3. [Amps] SB-220 6 Meter Conversion Article in April QST (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Tue, 31 Mar 2009 17:51:22 +0000
I am getting ready to convert an SB-220 to 6 Meters. I was looking at the article in QST and ir stated the Plate Tuning cap is a 100 pf @ 4 Kv spacing. The article doesn't mention a Mfr or Part Numbe
/archives//html/Amps/2009-03/msg00555.html (6,818 bytes)

4. [Amps] SB-230 Carcass Wanted (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Mon, 6 Apr 2009 17:10:58 +0000
In my quest for a 6 Meter Amp I came across a local who has an SB-230 that someone converted to 6 Meters. If I could find one, without the tube, I could modofy it to accept one of those Russian tubes
/archives//html/Amps/2009-04/msg00068.html (6,938 bytes)

5. [Amps] 6 Meter Amplifier Question (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Sat, 11 Apr 2009 01:38:54 +0000
Does anyone have an Amp (pair 3-500Z's) that was converted to 6 Meters ? If you do, could you e-mail me off list, I have a few questions. Thanks, Dick, W1KSZ _________________________________________
/archives//html/Amps/2009-04/msg00127.html (6,338 bytes)

6. Re: [Amps] Help needed with: driving TITAN 425s with K3's (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Tue, 21 Apr 2009 17:48:08 +0000
I looked at the Titan 425 Users Manual but could not find a schematic. Is there one ? Or is this another "secret Amp" that some folks tout ?? You should not need a tuner between the rig and the Amp.
/archives//html/Amps/2009-04/msg00184.html (8,769 bytes)

7. Re: [Amps] filament transformers (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Sat, 16 May 2009 17:52:31 +0000
Neat Amp, good job, I got some ideas. When do we get to see the 6 Meter Amp ?? 73, Dick, W1KSZ _______________________________________________ Amps mailing list Amps@contesting.com http://lists.conte
/archives//html/Amps/2009-05/msg00092.html (13,813 bytes)

8. [Amps] Silver Epoxy Needed (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Tue, 26 May 2009 22:28:07 +0000
I have a 200 pF 10 KV Doorknob that has one end broken off. It looks like Silver Epoxy was used to fix the terminal to the cap. Correct me if I am wrong. Where can I locate a small amount of this mat
/archives//html/Amps/2009-05/msg00199.html (6,394 bytes)

9. [Amps] Doorknob Caps Needed (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Wed, 27 May 2009 20:47:10 +0000
I have given up on the idea of repairing this cap. Does anyone have for sale or know a source of 100 pF 10 KV Doorknobs ? I need two of them. 73, Dick, W1KSZ _________________________________________
/archives//html/Amps/2009-05/msg00217.html (6,858 bytes)

10. Re: [Amps] Doorknob Caps Needed (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Wed, 27 May 2009 23:00:48 +0000
I probably shoud have added that I checked SSoN, RF Parts, QRO and e-Pay first. No luck. Also, this is for a 6 Meter Amp. 73, Dick, W1KSZ _______________________________________________ Amps mailing
/archives//html/Amps/2009-05/msg00224.html (8,368 bytes)

11. [Amps] Doorknob Caps Needed: Background (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Thu, 28 May 2009 04:31:49 +0000
Let me back up a tad on this. I am converting an SB-220 to 6 Meters. One of the questions I have is about the Plate Coupling Cap value. I see values of anywhere from 100 pF to 1,000 pF used. There mu
/archives//html/Amps/2009-05/msg00235.html (7,382 bytes)

12. [Amps] 6 Meter Amp (April 2008 QST) Question (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Wed, 3 Jun 2009 20:38:00 +0000
They remove the Power Transformer and use connectors for the AC Line and HV AC. The HV AC looks like a 3 or 4 pin Molex, but the AC Line (Brown Connector) is not familiar. Can anyone tell me what mak
/archives//html/Amps/2009-06/msg00007.html (6,556 bytes)

13. [Amps] 3-500Z's: Brand ?? (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Fri, 5 Jun 2009 19:01:41 +0000
I will be buying a new pair of 3-500Z's for the SB-220 I have. There are a few different brands and I wonder what the group consensus is on which I should get. 25 years ago the answer was obvious, EI
/archives//html/Amps/2009-06/msg00018.html (6,491 bytes)

14. [Amps] SB-220 Bias Question (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Thu, 11 Jun 2009 03:02:55 +0000
The stock SB-220 comes with a 5.1 volt (+/-) bias. A new Meter Board I have provides 6.8 volt bias. Any thoughts on what the increase in voltage will do to the linearity ? Has anyone measured the Gri
/archives//html/Amps/2009-06/msg00048.html (6,493 bytes)

15. [Amps] WANTED: Johnson 154-12 Variable (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Thu, 18 Jun 2009 19:41:24 +0000
Anyone have one they will part with ? 73, Dick, W1KSZ _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2009-06/msg00081.html (6,335 bytes)

16. [Amps] WANTED: 50 pF Vacuum Variable (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Tue, 23 Jun 2009 17:01:21 +0000
My search for a 50 pF Air Variable is not progressing well, so I thought I might look for a Vacuum Variable for the task. Size is critical, I need something less than 3" OD, 2 3/4" would be ideal. I
/archives//html/Amps/2009-06/msg00100.html (6,520 bytes)

17. Re: [Amps] AL1200/RTTY (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Thu, 2 Jul 2009 18:17:57 +0000
I bought my AL-1200 years ago from Radio-Kit, when they had a store-front in some Mall or Industrial Park in NH. I also invested in tube futures by buying a spare final (only $225 then). I still run
/archives//html/Amps/2009-07/msg00050.html (10,540 bytes)

18. Re: [Amps] 4-1000A in LK2000 (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Sat, 4 Jul 2009 03:29:05 +0000
Can I ask a dumb question ?? What do you do with the Screen Grid ? Don't you need an additional screen supply ? 73, Dick, W1KSZ _______________________________________________ Amps mailing list Amps@
/archives//html/Amps/2009-07/msg00086.html (8,449 bytes)

19. [Amps] 6 Meter Amplifier (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Sun, 12 Jul 2009 18:08:51 +0000
There's a nice looking SB-221 6 Meter Conversion over on the "evil empire". Lots of nice hi-res pictures. 73, Dick, W1KSZ _______________________________________________ Amps mailing list Amps@contes
/archives//html/Amps/2009-07/msg00157.html (6,862 bytes)

20. [Amps] Power Limits:M17/158 RG-142 (score: 1)
Author: RICHARD SOLOMON <w1ksz@q.com>
Date: Fri, 17 Jul 2009 19:10:49 +0000
What are the Power limits on this cable. In particular at 50 MHz. ? I Googled it, but all those ..."request a quote"... joints drive me bonkers. I should get a searchable copy of MIL-C-17. Thanks, Di
/archives//html/Amps/2009-07/msg00207.html (6,938 bytes)


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