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References: [ +from:w5ifp@gvtc.com: 47 ]

Total 47 documents matching your query.

1. Re: [Amps] 9 x 3-500Z Glass Glowing tubes (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Mon, 27 Feb 2012 17:38:40 -0600
Then you can sell it on E-BAY.....fully equipped with matched tubes....(;-> 73s de Jim W5IFP _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contest
/archives//html/Amps/2012-02/msg00304.html (13,076 bytes)

2. Re: [Amps] Current thinking on HV supply bleeder current? (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Tue, 28 Feb 2012 15:34:25 -0600
Jim, The ARRL handbook has two recommendations. Bleeder resistance that will bleed the HV to 30 volts in 2 seconds after shutdown. Another place it recommends a bleeder resistance that will equate to
/archives//html/Amps/2012-02/msg00323.html (9,064 bytes)

3. Re: [Amps] Transfer Lettering (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Wed, 14 Mar 2012 10:31:09 -0500
Roger, I have used dry transfers for many projects over the years. I usually paint the surface with spray primer based on desired final color. Then apply the decals and spray the entire panel with a
/archives//html/Amps/2012-03/msg00175.html (9,730 bytes)

4. Re: [Amps] Ducting Suggestion (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Tue, 20 Mar 2012 14:57:12 -0500
Flexible dryer exhaust hose works fine and its available in aluminum or Hi temp plastic. Its Light weight and easy to handle. You can also use 3" shop vacuum cleaner hose. 73s de Jim W5IFP __________
/archives//html/Amps/2012-03/msg00213.html (8,571 bytes)

5. Re: [Amps] How to know when filter caps begin to fail (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Thu, 29 Mar 2012 08:51:47 -0500
My old Eico model 950 still works great. It goes to 500v and covers most common electrolytics. 73s de Jim W5IFP _______________________________________________ Amps mailing list Amps@contesting.com h
/archives//html/Amps/2012-03/msg00347.html (13,893 bytes)

6. Re: [Amps] NAB...hope from the old world for the new? (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Mon, 16 Apr 2012 08:58:52 -0500
Ed, I vote for Better... The best sounding audio amp I have ever owned was a Heathkit. The amp was a Williamson design and used a pair of KT-66's in the final. I have long since parted with the amp,
/archives//html/Amps/2012-04/msg00154.html (8,588 bytes)

7. Re: [Amps] DRAKE L4B ON EBAY (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Thu, 7 Jun 2012 13:04:30 -0500
Also consider the un-scrupulous owner adding to the bid process to jack up the price until he gets what he wants. 73s de Jim W5IFP _______________________________________________ Amps mailing list Am
/archives//html/Amps/2012-06/msg00033.html (9,854 bytes)

8. Re: [Amps] filament instant heating query (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Fri, 15 Jun 2012 09:27:46 -0500
Well, I'll chime in on this one with personal experience. Regardless of whether you believe in the "Myths" or not. Most are not supported with facts. I have a Clipperton-L purchased new in 1980. It i
/archives//html/Amps/2012-06/msg00139.html (12,194 bytes)

9. Re: [Amps] filament instant heating query / simple remedy (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Sun, 17 Jun 2012 14:28:24 -0500
Yep, This one has hit the bottom of the bucket. The more junk you install the lower the MTBF. 73s de Jim W5IFP _______________________________________________ Amps mailing list Amps@contesting.com ht
/archives//html/Amps/2012-06/msg00232.html (10,427 bytes)

10. Re: [Amps] filament instant heating query / simple remedy (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Tue, 19 Jun 2012 08:47:13 -0500
Four....One to hold the lamp and three to rotate the amplifier. Boatanchors are heavy you know. 73s de Jim W5IFP _______________________________________________ Amps mailing list Amps@contesting.com
/archives//html/Amps/2012-06/msg00274.html (12,345 bytes)

11. Re: [Amps] Tube Theory? (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Thu, 21 Jun 2012 08:14:01 -0500
"Care and Feeding of Power Grid Tubes" Available here: http://www.cpii.com/docs/related/22/C&F1Web.pdf 73s de Jim W5IFP _______________________________________________ Amps mailing list Amps@contesti
/archives//html/Amps/2012-06/msg00327.html (9,894 bytes)

12. Re: [Amps] tubes without handles (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Thu, 21 Jun 2012 08:27:36 -0500
Well, what do you call tubes like the 815 and 829B? They have two handles...(:-> 73s de Jim W5IFP _______________________________________________ Amps mailing list Amps@contesting.com http://lists.co
/archives//html/Amps/2012-06/msg00331.html (7,943 bytes)

13. Re: [Amps] Alpha sez run it on 220 (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Thu, 21 Jun 2012 09:03:09 -0500
Jerry, Please check your local electrical code. You sure don't want to have an insurance conflict due to non-compliance. When I built my house, I had an electrician friend assist me in the electrical
/archives//html/Amps/2012-06/msg00335.html (10,497 bytes)

14. Re: [Amps] 4CX1500B's -- worth using? (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Thu, 21 Jun 2012 09:03:30 -0500
How do we know that don't already own one of the sponsors? Go Dale Junior!!!! 73s de Jim W5IFP _______________________________________________ Amps mailing list Amps@contesting.com http://lists.cont
/archives//html/Amps/2012-06/msg00336.html (10,023 bytes)

15. Re: [Amps] Dentron Clipperton-L power problems (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Tue, 3 Jul 2012 15:37:36 -0500
Jim, A few more details would be helpful: Is the low power on all bands? What voltage are you seeing in the VP position for SSB and CW? Does this voltage drop significantly when you key it? Have you
/archives//html/Amps/2012-07/msg00024.html (8,346 bytes)

16. Re: [Amps] Overdrive protection (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Fri, 27 Jul 2012 09:11:13 -0500
Duh... Why not just use the RF PWR adjustment on the front of the transceiver and save all that costs and wasted heat dissipated by the attenuator. "Discipline" is the keyword. With proper drive powe
/archives//html/Amps/2012-07/msg00298.html (10,671 bytes)

17. Re: [Amps] 3CX1500A vs el cheapo GS-35B (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Wed, 1 Aug 2012 13:18:45 -0500
I for one. My Homebrewed pair of 4-400's amp has been in steady service since i built it in 1979. My Clipperton-L (4x572) has been in service since 1980. Nothing bad about "OLD". After all I started
/archives//html/Amps/2012-08/msg00007.html (7,560 bytes)

18. Re: [Amps] Zener Screen Regulators (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Wed, 5 Sep 2012 11:34:27 -0500
Since the two schools could not agree, they invented AC. Everybody's theory can be satisfied half the time. 73s de Jim W5IFP _______________________________________________ Amps mailing list Amps@con
/archives//html/Amps/2012-09/msg00059.html (10,999 bytes)

19. Re: [Amps] Dentron 160-10L 10 meter issue (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Fri, 7 Sep 2012 17:57:34 -0500
Clarification.... My Clipperton-L only has a tap on the High Voltage secondary winding for SSB/CW. (Lo/Hi voltage) There are no primary taps, only two primary windings for 115v (Parallel) & 230V (Ser
/archives//html/Amps/2012-09/msg00118.html (12,861 bytes)

20. Re: [Amps] Dentron Clipperton L parts needed. (score: 1)
Author: "Jim Hargrave" <w5ifp@gvtc.com>
Date: Thu, 25 Oct 2012 22:49:54 -0500
John, If you are looking for the panel bulbs, they are standard PL-382 bulbs. They are available from many suppliers. One supplier is: https://www.interlight.biz/light-bulb/PRECISION-LIGHTING-PL382 Y
/archives//html/Amps/2012-10/msg00153.html (8,216 bytes)


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