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Total 61 documents matching your query.

21. Re: [Amps] How to know when filter caps begin to fail (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Thu, 29 Mar 2012 10:55:27 -0400
My experience has been mostly shorts, and opens, but I did have a cap in a string start arcing internally. You could hear a nice frying buzz. I pulled the plug before any other damage occurred. I got
/archives//html/Amps/2012-03/msg00348.html (10,257 bytes)

22. Re: [Amps] How to know when filter caps begin to fail (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Thu, 29 Mar 2012 12:57:54 -0400
I have a Sprauge TO-5, TO-6A and a Eico 950B. They are my buddies when it comes to caps. The Eico is a real sleeper at the hamfests. I have seen them go for as little as a dollar or two at times, but
/archives//html/Amps/2012-03/msg00351.html (16,419 bytes)

23. [Amps] FWD: Ham Radio Amp - $8500 (Louisville Ky) 3CX10000-a7 (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Thu, 5 Apr 2012 13:38:45 -0400
Sounds like a monster! Randy AB9GO Randy E. Randall AB9GO Network Engineer UC Health Randy.Randall@UCHealth.com Phone 513-585-7146 Fax 513-585-7159 Ham Radio Amp - $8500 (Louisville KY) Custom Large
/archives//html/Amps/2012-04/msg00057.html (8,252 bytes)

24. Re: [Amps] ANOTHER L4B EBAY (same seller) (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Tue, 12 Jun 2012 09:25:08 -0400
I'll give the builder credit. He did build something. It may not be pretty in the least, but someone did try. That is more than can be said of most hams. Randy AB9GO p.s. I like the meter face! Randy
/archives//html/Amps/2012-06/msg00068.html (10,032 bytes)

25. Re: [Amps] AGAIN..L4B on ebay (NEW) (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Tue, 19 Jun 2012 12:59:35 -0400
Someone bought it for $2900.00! Randy E. Randall AB9GO Network Engineer UC Health Randy.Randall@UCHealth.com Phone 513-585-7146 Fax 513-585-7159 Well the "new" Drake L4B that was on EBAY closed out w
/archives//html/Amps/2012-06/msg00276.html (9,206 bytes)

26. Re: [Amps] Oscilloscope Purchase (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Wed, 27 Jun 2012 11:12:24 -0400
I also have a Tek 465 and it works great. I have another though less common scope the Philips/Fluke 3350A 60Mhz 100MS/s that is both an analog AND a digital scope. It is convenient to use the measure
/archives//html/Amps/2012-06/msg00423.html (9,607 bytes)

27. Re: [Amps] Neon xfmr for HiPot (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Mon, 16 Jul 2012 09:44:00 -0400
Yes if you rectify it (a use for those old 1B3, 3A3 tubes) and use a very small cap (.001 or mf or less) as a filter sure. Remember to current limit the output so you do not cause damage due to flash
/archives//html/Amps/2012-07/msg00204.html (9,259 bytes)

28. Re: [Amps] Neon xfmr for HiPot (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Wed, 18 Jul 2012 11:31:47 -0400
"Careful - the cases on HV transformers aren't always isolated." That is very true esp. for neon transformers. I have seen then rated @ 9000 V center tap grounded. I am very supprised that more peopl
/archives//html/Amps/2012-07/msg00216.html (10,215 bytes)

29. Re: [Amps] 3CX1500A vs el cheapo GS-35B (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Thu, 2 Aug 2012 09:32:37 -0400
The timed replacement is to prevent downtime not to waste money just because someone else is paying the bill. Its purpose is to save big money. Think about it. At $2000 a study, 3 per hour (or more)
/archives//html/Amps/2012-08/msg00048.html (12,558 bytes)

30. Re: [Amps] 87a will tell you, too (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Wed, 15 Aug 2012 13:10:50 -0400
I paid $50.00 for my Tek 465 in good condition 9 years ago. Bargins in used scopes are out there as fewer businesses need them and fewer people even know how to use them anymore. Check Craigslist. I
/archives//html/Amps/2012-08/msg00218.html (10,385 bytes)

31. Re: [Amps] Can some explain this curious eBay auction (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Wed, 22 Aug 2012 15:24:30 -0400
I like Phools with money! Randy E. Randall AB9GO Network Engineer UC Health Randy.Randall@UCHealth.com Phone 513-585-7146 Fax 513-585-7159 It just proves Phineas T. was right - yet again. ___________
/archives//html/Amps/2012-08/msg00350.html (8,516 bytes)

32. Re: [Amps] current threads about silver solder and resoldering (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Thu, 30 Aug 2012 14:02:54 -0400
I am out there looking for 60/40 solder too. Scored a big 5 lb. roll from RCA in Indianapolis. It was 7 years old, but still shrink wrapped, shiny and clean for $5.00!! I should have bought the 2 oth
/archives//html/Amps/2012-08/msg00532.html (11,259 bytes)

33. Re: [Amps] Ten Tec Titan 425 Options (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Fri, 9 Nov 2012 11:12:16 -0500
If you are buying the caps from Ten-Tec that price seems correct as Ten-Tec has become outrageous on their spare parts prices. You should be able to source the caps and the diodes from Mouser, Allied
/archives//html/Amps/2012-11/msg00071.html (11,295 bytes)

34. Re: [Amps] Heathkit SB-1000 Arcing (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Mon, 26 Nov 2012 16:16:45 -0500
I had an old amp that was arcing inside one of the electrolytic caps. The cap got hot very fast within 2 - 3 seconds and you could feel the temp difference between the good and the arcing cap. As alw
/archives//html/Amps/2012-11/msg00174.html (9,561 bytes)

35. Re: [Amps] Panel lettering (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Wed, 2 Jan 2013 17:47:39 -0500
For prototype work Dymo makes a labeler similar to the P-Touch that has the option of using paper labels rather than plastic. They are two for $6.50 at Wally World (Wal-Mart) and work very well for t
/archives//html/Amps/2013-01/msg00020.html (12,215 bytes)

36. Re: [Amps] Panel lettering (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Fri, 4 Jan 2013 16:22:01 -0500
Making a dry-transfer "rub on" lettering sounds like a marketing opportunity for Brother or Dymo. A P-touch has 95% of what it would take to make the rub on labels already other than an adhesive (wax
/archives//html/Amps/2013-01/msg00039.html (12,334 bytes)

37. Re: [Amps] How to get the blue markings off of aluminum stock (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Wed, 23 Jan 2013 10:38:46 -0500
Also try MAC'S choke and carb cleaner also available at NAPA. Randy E. Randall AB9GO Network Engineer UC Health Randy.Randall@UCHealth.com Phone 513-585-7146 Fax 513-585-7159 I use "Brakleen" brake p
/archives//html/Amps/2013-01/msg00140.html (10,235 bytes)

38. Re: [Amps] Ameritron band switch repair (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Tue, 5 Feb 2013 12:58:55 -0500
I have picked up a few Wellers 8200's and D550's at hamfests for as little as $2.00 working and in good shape but minus the tip. It is odd that some hams think that soldering guns are useless or only
/archives//html/Amps/2013-02/msg00045.html (13,839 bytes)

39. Re: [Amps] SB-200 Repair? (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Fri, 12 Apr 2013 14:14:35 +0000
1. You stole that SB-200. Even non-working with good cosmetics $40.00 is a bargain. 2. I had a similar condition with an old BlackCat 80-10 amp with two 3-500Z's I picked up at a hamfest for $100.00.
/archives//html/Amps/2013-04/msg00084.html (9,191 bytes)

40. Re: [Amps] WTB: Matched pair of 8122 or 8122W's (score: 1)
Author: "Randall, Randy" <Randy.Randall@uchealth.com>
Date: Thu, 19 Sep 2013 21:47:43 +0000
Just out of curiosity, what is the issue with RCA 8122's in the 60's other than age? Were there manufacturing issues??? Thanks, Randy Please note: Upcoming Vacation: December 21 - January 5, 2014 Ran
/archives//html/Amps/2013-09/msg00253.html (9,678 bytes)


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