- 1. [Amps] SELL: Millen HV Connectors (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Sat, 21 Dec 2002 12:59:53 -0600
- http://www.rfparts.com/hvconnector.html#wire
- /archives//html/Amps/2002-12/msg00235.html (8,479 bytes)
- 2. [Amps] maintaining spare finals (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Wed, 6 Nov 2002 00:44:48 -0600
- Bob, If you have the amps, swapping the tubes should be just part of the yearly maintenance that you should do to you amp. Clean the dust out of the inside of the cabinet, tubes (I think Alpha has a
- /archives//html/Amps/2002-11/msg00050.html (8,285 bytes)
- 3. [Amps] Henry 2KD Classic (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Sat, 9 Nov 2002 11:34:27 -0600
- John, Rich is right, sounds like you are not driving it hard enough.. I owned one of those, and provided that you can give it enough drive, then it will put out what you are expecting.. You might wan
- /archives//html/Amps/2002-11/msg00148.html (9,583 bytes)
- 4. [Amps] Heavy duty PS parts FS (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Thu, 21 Nov 2002 11:07:48 -0600
- Lane, I'll take the bleeders, cap and diodes.. With shipping $140?? I think that should cover it... Thanks and 73's, Dudley WA5QPZ jhurry@austin.rr.com fine.
- /archives//html/Amps/2002-11/msg00325.html (8,178 bytes)
- 5. [Amps] GU-84B Tube Anode Voltage?? (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Sun, 24 Nov 2002 12:56:56 -0600
- Bill, Emtron puts as much as 4400 volts on the GU84b, but they do monitor the tube closely, according to a friend... I think that Chris is right, anywhere from 3000 to 4000 volts should work just fin
- /archives//html/Amps/2002-11/msg00356.html (8,268 bytes)
- 6. [Amps] voltage multiplier shown (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Tue, 15 Oct 2002 14:32:37 -0500
- Steve, You know that voltage doublers are used in alot of amps today.. Even some have triplers, as in the Dentron DTR2000 which could produce one amp at 2500 volts for a 8877 tube. Thanks and 73's, D
- /archives//html/Amps/2002-10/msg00151.html (11,252 bytes)
- 7. [Amps] Dentron MLA2500B on 10 meters (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Thu, 17 Oct 2002 10:56:44 -0500
- Ron, Move the stop on the bandswitch and there is also a filter in the output that will need to be removed.. It's mounted on a small board after the TR relay... Thanks and 73's, Dudley WA5QPZ jhurry@
- /archives//html/Amps/2002-10/msg00193.html (7,512 bytes)
- 8. [Amps] Blower noise (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Fri, 18 Oct 2002 20:03:26 -0500
- The quietest blower that I have found is German made, by EBM.. Check out http://www.ebm.com They are more expensive, but well worth it if you are concerned about blower noise.. Thanks and 73's, Dudle
- /archives//html/Amps/2002-10/msg00210.html (7,646 bytes)
- 9. [Amps] Dentron DTR-2000 (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Mon, 21 Oct 2002 10:39:35 -0500
- Mike, I recently reworked a DTR-2000 amp, although I do not have the amp any longer here are my observations. be 80 meters -1.5 to 1 17 meters - 3 to 1 (used the rig's internal tuner help) By the way
- /archives//html/Amps/2002-10/msg00226.html (9,957 bytes)
- 10. [Amps] MLA2500 power up...... (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Sat, 10 Aug 2002 13:42:40 -0500
- Blake, Rather than an tube problem unless you have changed the HV Caps recently it's most likely where the problem is. pull the tubes, and disconnect the HV from the RF deck. Checked the diodes, but
- /archives//html/Amps/2002-08/msg00099.html (8,595 bytes)
- 11. [Amps] hENRY 2K-3 FAN NOISE (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Wed, 28 Aug 2002 23:39:59 -0500
- Alan, I have a 3K Classic Desktop with an 8877. The original blower would run you out of the room. First thing to do is replace the blower. I bet that the bearings are bad in the blower. I'm not sure
- /archives//html/Amps/2002-08/msg00318.html (8,785 bytes)
- 12. [Amps] hENRY 2K-3 FAN NOISE - Additional information (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Fri, 30 Aug 2002 11:31:49 -0500
- Alan, I guessed that I lucked out and found a "KoolTron" blower that the motor and squirel fan itself would fit in the same case. It was a slower motor 2800 RPM instead of the 3400 rpm motor that was
- /archives//html/Amps/2002-08/msg00338.html (9,008 bytes)
- 13. [Amps] L7 on WARC-bands? (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Fri, 5 Jul 2002 19:16:26 -0500
- Erik, I have an L7 and have worked 17 meters regularly. Works fine, with the exception of the input SWR as you noted, which runs in the area of 3 to 1.. The amp itself loads great and will produce 12
- /archives//html/Amps/2002-07/msg00074.html (7,775 bytes)
- 14. [Amps] Alpha 77 (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Mon, 8 Jul 2002 20:51:37 -0500
- Bob, $1800 to $2200.. With good tube and manual.. Thanks and 73's, Dudley WA5QPZ jhurry@austin.rr.com
- /archives//html/Amps/2002-07/msg00131.html (7,281 bytes)
- 15. [Amps] Horizontal 8877 (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Sat, 13 Jul 2002 13:12:16 -0500
- Norm, The Eimac Technical Data sheet says "Any position". The Henry 3K Classic and the Dentron DTR-2000L both have the 8877s mounted horizontal.. Thanks and 73's, Dudley WA5QPZ jhurry@austin.rr.com
- /archives//html/Amps/2002-07/msg00173.html (7,382 bytes)
- 16. [Amps] Muffin Fans and hot exhaust (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Mon, 22 Jul 2002 14:07:58 -0500
- Steve, I have a 120 cfm boxer type fan helping the 60 cfm blower in my Alpha 77. The Alpha has several 50 ohm/50 watt resistors in series with the AC to reduce the RPM of the blower. The muffin fan h
- /archives//html/Amps/2002-07/msg00401.html (12,880 bytes)
- 17. [Amps] Muffin Fans and hot exhaust (score: 1)
- Author: jhurry@austin.rr.com (Dudley Hurry)
- Date: Mon, 22 Jul 2002 14:09:53 -0500
- So does the Drake L7.. Thanks and 73's, Dudley WA5QPZ jhurry@austin.rr.com
- /archives//html/Amps/2002-07/msg00402.html (10,152 bytes)
- 18. Re: [Amps] 8877 Amp (score: 1)
- Author: "Dudley Hurry" <jhurry@austin.rr.com>
- Date: Mon, 25 Aug 2003 13:15:33 -0500
- Paul, Looks like a very worthwhile project. Please keep everyone posted as to the progress.. Thanks and 73's, Dudley WA5QPZ jhurry@austin.rr.com no _______________________________________________ Amp
- /archives//html/Amps/2003-08/msg00031.html (7,689 bytes)
- 19. Re: [Amps] Drake L7 & L4 Query.... (score: 1)
- Author: "Dudley Hurry" <jhurry@austin.rr.com>
- Date: Mon, 8 Sep 2003 08:49:12 -0500
- Try a cooling fan on the powersupply. Worked for me.. Thanks, Dudley _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo
- /archives//html/Amps/2003-09/msg00079.html (8,092 bytes)
- 20. Re: [Amps] Alpha vs commander? (score: 1)
- Author: "Dudley Hurry" <jhurry@austin.rr.com>
- Date: Sun, 30 Nov 2003 20:15:51 -0600
- Joel, Personally I would keep the Commander.. While the Alpha 374 was a great amp, the tubes are more expensive than the single 3CX800, and there is not that much gain from 1100 or 1200 watts verses
- /archives//html/Amps/2003-12/msg00007.html (7,446 bytes)
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