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Total 55 documents matching your query.

21. Re: [Amps] Alpha 76a (score: 1)
Author: ROBERT HARMON <k6uj@pacbell.net>
Date: Mon, 12 Sep 2011 13:23:52 -0700
Pat, Congratulations on acquiring the 76A, she will serve you well ! The grid overcurrent protection is a good idea. I am considering this for my amp. Normally I keep a close eye on the grid current
/archives//html/Amps/2011-09/msg00040.html (11,443 bytes)

22. Re: [Amps] Alpha 76a (score: 1)
Author: ROBERT HARMON <k6uj@pacbell.net>
Date: Mon, 12 Sep 2011 16:20:06 -0700
Colin, I didn't check the caps in my 76, I didn't see any evidence of swelling or leaking when I visually inspected them but since they were original I thought it would be prudent to replace them. HV
/archives//html/Amps/2011-09/msg00044.html (9,949 bytes)

23. [Amps] Alpha 76CA push button (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Wed, 5 Oct 2011 15:32:00 -0700
On the two push buttons for CW and SSB, on my 76CA, the SSB push button doesn't flip on the green color when it is out (standby) Is this is an easy fix by pulling the plastic cover off the switch fro
/archives//html/Amps/2011-10/msg00011.html (6,998 bytes)

24. Re: [Amps] HIGHWAY LOUIE (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Mon, 21 Nov 2011 12:34:14 -0800
He had a problem with corona eating the top of his mobile whip (perhaps because of the power, hihi) so he brazed a brass toilet tank ball on the top. It was quite a sight to it going down the highway
/archives//html/Amps/2011-11/msg00094.html (8,102 bytes)

25. Re: [Amps] Ducting Suggestion (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Tue, 20 Mar 2012 13:18:28 -0700
The dryer exhaust hose would be excellent I think, you are avoiding sound conduction down to the blower with the non metallic hose. Also it would be a good idea to isolate the blower from the power s
/archives//html/Amps/2012-03/msg00215.html (8,825 bytes)

26. [Amps] HF-2500 T/R problem (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Thu, 22 Mar 2012 08:31:54 -0700
I have the older version of the Commander HF-2500. When I try to key it up, it will click on for just a bit, enough for just one dah, full output though, and then click off. I tried unplugging the PT
/archives//html/Amps/2012-03/msg00230.html (6,946 bytes)

27. Re: [Amps] question for you experts... (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Tue, 27 Mar 2012 19:32:42 -0700
Carl, My Alpha 76CA is still running perfectly after the conversion to 3CPX800's and the other items I did that you recommended here on the reflector. I haven't tried putting a brick on the key yet t
/archives//html/Amps/2012-03/msg00287.html (13,811 bytes)

28. [Amps] gettering question (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Tue, 27 Mar 2012 20:48:00 -0700
With an amplifier that uses a pair of 3CPX800's, like my converted Alpha 76CA, how long should I let it sit there heating the filaments before using, when it hasn't been used for 2 or 3 years ? Coupl
/archives//html/Amps/2012-03/msg00289.html (6,355 bytes)

29. Re: [Amps] gettering question (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Wed, 28 Mar 2012 08:43:32 -0700
Carl, Thanks Carl, I will be going thru it and plan to replace all the filter caps, resistors, and the electrolytic. I got this amp in a trade and although it has been converted to two 3CPX800's, he
/archives//html/Amps/2012-03/msg00300.html (9,015 bytes)

30. Re: [Amps] gettering question (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Wed, 28 Mar 2012 11:58:13 -0700
OK, I knew one band was a problem. I will avoid 12M just to be safe. I worked so hard on my baby I don't want to chance screwing her up, hihi. thanks, Bob K6UJ _______________________________________
/archives//html/Amps/2012-03/msg00312.html (11,772 bytes)

31. Re: [Amps] How Do You Know When Filter Caps Begin to Fail? (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Wed, 28 Mar 2012 13:33:01 -0700
Pete, My understanding from input received on this reflector is that the electrolytic filter caps have reached the end of their lifespan and are prone to go out after about 15 years. This varies of c
/archives//html/Amps/2012-03/msg00317.html (9,115 bytes)

32. Re: [Amps] How Do You Know When Filter Caps Begin to Fail? (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Wed, 28 Mar 2012 16:14:28 -0700
Glen, Wow, that must have been exciting, no need for any more coffee after that, hihi. Bob K6UJ _______________________________________________ Amps mailing list Amps@contesting.com http://lists.cont
/archives//html/Amps/2012-03/msg00325.html (10,331 bytes)

33. Re: [Amps] How Do You Know When Filter Caps Begin to Fail? (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Wed, 28 Mar 2012 16:23:21 -0700
I had one blow years ago, It blew the white debri all over the inside of the amp and scared the &*%$#%$ out of me. I was lucky and only the cap went. My wife came running in and wondered what the hel
/archives//html/Amps/2012-03/msg00326.html (13,478 bytes)

34. Re: [Amps] Cheap auxiliary amp cooling (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Fri, 30 Mar 2012 06:40:44 -0700
Jim, Sounds good. I added a computer fan to my Alpha 76CA also. The air inlet vent holes are on the back of the amp so I bolted the fan over the inlet. It looks like the original design. I used a Rad
/archives//html/Amps/2012-03/msg00355.html (9,644 bytes)

35. Re: [Amps] Cheap auxiliary amp cooling (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Fri, 30 Mar 2012 08:48:48 -0700
HIHIHIHI !!!!!!!! better get some spares soon before they can't be found anymore :-) Bob K6UJ _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contes
/archives//html/Amps/2012-03/msg00359.html (10,390 bytes)

36. Re: [Amps] Plate choke help. (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Tue, 10 Apr 2012 21:34:12 -0700
Rick, I also have an Alpha 76. My plate choke looks like it got hot down close to the bottom which I think is the high voltage end. I want to replace mine too. According to KK5DR in his webpage on th
/archives//html/Amps/2012-04/msg00095.html (9,795 bytes)

37. Re: [Amps] Plate choke help. (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Wed, 11 Apr 2012 07:13:09 -0700
Hi Carl, I'm worried now about trying the RFC-3 in my 76CA. Rick says "it is much bigger" . Bob K6UJ _______________________________________________ Amps mailing list Amps@contesting.com http://lists
/archives//html/Amps/2012-04/msg00099.html (12,287 bytes)

38. Re: [Amps] DRAKE L4B ON EBAY (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Tue, 5 Jun 2012 08:18:47 -0700
Mike, Please refrain from swearing in your posts. Not funny at all. Bob K6UJ _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/
/archives//html/Amps/2012-06/msg00021.html (8,230 bytes)

39. Re: [Amps] DRAKE L4B ON EBAY (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Wed, 6 Jun 2012 08:11:40 -0700
I'm not saying this is what happened here but shill bidding happens all the time on EBAY. I agree it looks fishy to me too. Bob K6UJ _______________________________________________ Amps mailing list
/archives//html/Amps/2012-06/msg00029.html (11,473 bytes)

40. Re: [Amps] Antennae (?) (score: 1)
Author: Bob K6UJ <k6uj@pacbell.net>
Date: Wed, 11 Jul 2012 20:00:53 -0700
I thought the ball ends were to knock out the overhead fluorescent lights when you pulled in a gas station. Bob K6UJ _______________________________________________ Amps mailing list Amps@contesting.
/archives//html/Amps/2012-07/msg00169.html (8,594 bytes)

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