- 1. [AMPS] T/R relay & TS850 (score: 1)
- Author: w5robert@blkbox.com (Robert W5AJ )
- Date: Sat, 27 Feb 1999 17:38:35 -0600
- Is there a problem with using a T/R relay between the rig / amp that will put the beverage on line during receive? 73 Robert W5AJ -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amp
- /archives//html/Amps/1999-02/msg00693.html (6,708 bytes)
- 2. [AMPS] Carbon Composition Resistors (score: 1)
- Author: w5robert@blkbox.com (Robert Wood)
- Date: Sat, 8 Aug 1998 10:04:23 -0500 (CDT)
- Searching out a supply for Carbon Composition Resistors. These are used in the input circuit of my AMP. I see them in the MOUSER catalog but only up to 1/2 watt?? The local parts house had very few a
- /archives//html/Amps/1998-08/msg00069.html (7,236 bytes)
- 3. [AMPS] maximum output from an Alpha 89 (score: 1)
- Author: w5robert@blkbox.com (Robert W5AJ)
- Date: Sun, 9 Aug 1998 01:45:04 -0500
- My thoughts on testing them at home: (I believe you are talking about 3cx800's) 1. Document tube date stamp & serial number for future. 2. Test the tube - one at a time. 3. I do mine into a dummy loa
- /archives//html/Amps/1998-08/msg00072.html (7,669 bytes)
- 4. [AMPS] TITAN power supply question. (score: 1)
- Author: w5robert@blkbox.com (Robert W5AJ)
- Date: Sat, 25 Apr 1998 16:13:15 -0500
- Having recently replaced the diode board in my TITAN I'm still unable to get it to fire up. Any thoughts as to the next test?? Here's the current test setup: 1. HV cable to RF deck is unhooked. 2. IF
- /archives//html/Amps/1998-04/msg00288.html (7,321 bytes)
- 5. Conclusion -Re: [AMPS] TITAN power supply question. (score: 1)
- Author: w5robert@blkbox.com (Robert W5AJ)
- Date: Sat, 25 Apr 1998 21:57:48 -0500
- TNX for replies!! The 1010 VAC winding is shorted to ground in the transformer. Most likely a result of the wonderful voltage regulation we have here (I've seen it as high as 300 VAC early one Saturd
- /archives//html/Amps/1998-04/msg00292.html (8,112 bytes)
- 6. [AMPS] Triode (score: 1)
- Author: w5robert@blkbox.com (Robert Wood)
- Date: Wed, 27 Aug 1997 19:55:06 -0500 (CDT)
- What's the story on using a Triode and feeding the grid? 73 Robert W5AJ w5robert@blkbox.com -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative reques
- /archives//html/Amps/1997-08/msg00212.html (6,669 bytes)
- 7. [AMPS] Triode (score: 1)
- Author: w5robert@blkbox.com (Robert Wood)
- Date: Sat, 30 Aug 1997 18:17:23 -0500 (CDT)
- That said, Anyone on the reflector that has built a grid driven Triode amp or used one, PSE send comments. Thanks! -- 73 Robert W5AJ w5robert@blkbox.com -- FAQ on WWW: http://www.contesting.com/ampfa
- /archives//html/Amps/1997-08/msg00248.html (6,764 bytes)
- 8. [AMPS] Heat Paint (score: 1)
- Author: w5robert@blkbox.COM (Robert Wood)
- Date: Sun, 8 Jun 1997 21:31:18 -0500 (CDT)
- Anyone know where to get that paint that changes color at a certain temperature or with temperature?? -- 73 Robert W5AJ w5robert@blkbox.com -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submis
- /archives//html/Amps/1997-06/msg00113.html (7,640 bytes)
- 9. [AMPS] Dentron Outboard Tuned Input Box (score: 1)
- Author: w5robert@blkbox.COM (Robert)
- Date: Fri, 4 Apr 1997 18:41:19 -0600 (CST)
- Ditto but Dentron MLA2500 model. -- 73 Robert W5AJ w5robert@blkbox.com -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@con
- /archives//html/Amps/1997-04/msg00117.html (7,025 bytes)
- 10. [AMPS] 3CX800 INTO MLA2500 (score: 1)
- Author: w5robert@blkbox.COM (Robert)
- Date: Fri, 4 Apr 1997 20:31:56 -0600 (CST)
- Recently bought "spare" MLA2500B that I plan to remove the 8875's and install 3cx800. Before I begin the operation, any useful remarks?? Anything I should be aware of on the 3cx800 ? -- 73 Robert W5A
- /archives//html/Amps/1997-04/msg00119.html (6,587 bytes)
- 11. [AMPS] 3cx800 (score: 1)
- Author: w5robert@blkbox.COM (Robert)
- Date: Sun, 13 Apr 1997 00:57:42 -0500 (CDT)
- Update on 3cx800 project (into mla2500). Tested a RS 12.6vac 3amp transformer for filament supply. Ran 14.5 vac unloaded. Ran 13.05 vac into two 3cx800's That's close enough to the 13.5 spec (for me)
- /archives//html/Amps/1997-04/msg00162.html (8,119 bytes)
- 12. [AMPS] Re: your mail (score: 1)
- Author: w5robert@blkbox.COM (Robert)
- Date: Tue, 15 Apr 1997 10:19:11 -0500 (CDT)
- I haven't tried my SB220 on 30meters since 200 watts is all we can run and my rig already produces that. (Can we run over 200 now on 30meters????) I found the 4cx400 conversion article on the mla250
- /archives//html/Amps/1997-04/msg00194.html (8,661 bytes)
- 13. [AMPS] Alpha Test 3cx800's (score: 1)
- Author: w5robert@blkbox.COM (Robert)
- Date: Sat, 19 Apr 1997 19:38:11 -0500 (CDT)
- Put RF to the 2 3cx800's inside the mla2500 box today. Lots of work before it's ready to go into the shack but the observations: 1. condition of 3cx800's is unknown (bought used via swap usenet). 2.
- /archives//html/Amps/1997-04/msg00284.html (7,867 bytes)
- 14. [AMPS] SB-220 IMPROVEMENTS (score: 1)
- Author: w5robert@blkbox.COM (Robert)
- Date: Mon, 31 Mar 1997 22:29:24 -0600 (CST)
- (snip) 10db = 10db even on 10meters. A KW will over-run 100watts everytime (other things being equal)- that's why we're on the amp reflector. -- 73 Robert W5AJ w5robert@blkbox.com -- FAQ on WWW: htt
- /archives//html/Amps/1997-03/msg00004.html (7,203 bytes)
- 15. [AMPS] SB220 (score: 1)
- Author: w5robert@blkbox.COM (Robert)
- Date: Wed, 19 Mar 1997 00:59:28 -0600 (CST)
- any ideas on what damaged a SB220 during a move by the moving company?? After moving to Houston (some time ago) the tubes in the SB220 "took off". Bought a new set and believe the same happened to th
- /archives//html/Amps/1997-03/msg00180.html (6,972 bytes)
- 16. [AMPS] sb220 update (score: 1)
- Author: w5robert@blkbox.COM (Robert)
- Date: Sat, 22 Mar 1997 23:05:55 -0600 (CST)
- For those who might have a sick sb220: Called Eimac (in CA) on Friday. Yes I think they may have a new name and they don't make the 3-500Z there, but Reid was willing to help. He did not think it was
- /archives//html/Amps/1997-03/msg00214.html (7,441 bytes)
- 17. [AMPS] MLA-2500B Input SWR (score: 1)
- Author: w5robert@blkbox.COM (Robert)
- Date: Thu, 27 Mar 1997 10:53:00 -0600 (CST)
- I have some experience with two mla-2500B's. One has the optional tuned input board - the other does not. I have not changed tubes with the tuned input one and it gets 1400+ keydown into a Heathkit d
- /archives//html/Amps/1997-03/msg00270.html (8,195 bytes)
- 18. [AMPS] Glass bottles (tubes) (score: 1)
- Author: w5robert@blkbox.COM (Robert)
- Date: Thu, 20 Feb 1997 19:14:33 -0600 (CST)
- I've got an SB-220 that has been idle for a few years. I saw somewhere where I should fire up the 3-500Z every so often so the "getters?" can work on any gas in the tubes?? The concern here is the sp
- /archives//html/Amps/1997-02/msg00005.html (6,842 bytes)
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