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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+Replacing\s+padder\s+caps\s+on\s+an\s+Alpha\s+77DX\/SX\s*$/: 12 ]

Total 12 documents matching your query.

1. [Amps] Replacing padder caps on an Alpha 77DX/SX (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Sun, 17 Mar 2019 16:31:27 -0400
Folks, I have been having drifting issues on 160 only, not 80M or above, with my late model SX. I was thinking the 160 toroid transformers were overheating but the tape is not brown and I've been ass
/archives//html/Amps/2019-03/msg00031.html (8,636 bytes)

2. Re: [Amps] Replacing padder caps on an Alpha 77DX/SX (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Sun, 17 Mar 2019 19:02:58 -0400
Folks, I should have said ETO instead of Alpha, even though we all know the current Alpha group did not make these old amps, I should have been more clear. 73, Gary KA1J _____________________________
/archives//html/Amps/2019-03/msg00032.html (7,720 bytes)

3. Re: [Amps] Replacing padder caps on an Alpha 77DX/SX (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Sun, 17 Mar 2019 21:12:14 -0500
I just rebuilt a Ten-Tec Titan 435 that had horrible drift issues on 160 meters. The RF current in the load cap on 160 is very high! I used strings of 100 pF 3KV CERAMIC disk caps. *No more drift.* M
/archives//html/Amps/2019-03/msg00033.html (10,927 bytes)

4. [Amps] Replacing padder caps on an Alpha 77DX/SX (score: 1)
Author: "Jim Thomson" <jim.thom@telus.net>
Date: Mon, 18 Mar 2019 12:07:55 -0700
<As there's no sign of overheating I can <find anywhere and I haven't been beating <on the amp, I'm assuming the drift is from <the 160M padder caps breaking down over <the years and they should be r
/archives//html/Amps/2019-03/msg00036.html (10,230 bytes)

5. Re: [Amps] Replacing padder caps on an Alpha 77DX/SX (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Mon, 18 Mar 2019 21:29:26 -0500
Here is the link for the Titan 425 loading padder replacement: http://s900.photobucket.com/user/w7ry/library/Ten%20Tec%20Titan%20425%20Replacement%20Padders Thanks 73 Jim W7RY I used strings of 100 p
/archives//html/Amps/2019-03/msg00038.html (11,875 bytes)

6. Re: [Amps] Replacing padder caps on an Alpha 77DX/SX (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Wed, 20 Mar 2019 15:21:56 -0500
There's nothing wrong with doorknobs, but you have to get the right kind of doorknob. A class 2 RF doorknob specified for a few amps at 1000 KC is in my experience far better in a 160 m. output netwo
/archives//html/Amps/2019-03/msg00039.html (8,660 bytes)

7. Re: [Amps] Replacing padder caps on an Alpha 77DX/SX (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Tue, 26 Mar 2019 18:21:07 -0500
I would imagine that a 500 or 750 pF doorknob that could handle the current on 160 meters is at least $150.00 or more. That is why modern amplifier manufactures don't use them. They use what I used,
/archives//html/Amps/2019-03/msg00053.html (9,250 bytes)

8. Re: [Amps] Replacing padder caps on an Alpha 77DX/SX (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Thu, 28 Mar 2019 15:42:54 -0500
You imagine incorrectly. Even brand new HEC 15 KV is about half that price. No, they don't use them because hams are cheap customers, most don't know any better, the duty cycles are usually low, and
/archives//html/Amps/2019-03/msg00055.html (8,564 bytes)

9. [Amps] Replacing padder caps on an Alpha 77DX/SX (score: 1)
Author: "Jim Thomson" <jim.thom@telus.net>
Date: Fri, 29 Mar 2019 06:58:26 -0700
<I would imagine that a 500 or 750 pF doorknob that could handle the <current on 160 meters is at least $150.00 or more. <That is why modern amplifier manufactures don't use them. They use what <I us
/archives//html/Amps/2019-03/msg00057.html (11,408 bytes)

10. [Amps] Replacing padder caps on an Alpha 77DX/SX (score: 1)
Author: "Jim Thomson" <jim.thom@telus.net>
Date: Sat, 30 Mar 2019 11:51:45 -0700
You imagine incorrectly. Even brand new HEC 15 KV is about half that price. <No, they don't use them because hams are cheap customers, most don't know any better, the duty cycles are usually low, and
/archives//html/Amps/2019-03/msg00061.html (9,841 bytes)

11. Re: [Amps] Replacing padder caps on an Alpha 77DX/SX (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Wed, 3 Apr 2019 09:56:35 -0500
Put your money where your mouth is Jim.. Please send a link that includes prices that I can order. Thanks 73 Jim W7RY I would imagine that a 500 or 750 pF doorknob that could handle the current on 16
/archives//html/Amps/2019-04/msg00018.html (9,036 bytes)

12. [Amps] Replacing padder caps on an Alpha 77DX/SX (score: 1)
Author: "Jim Thomson" <jim.thom@telus.net>
Date: Sat, 6 Apr 2019 06:29:06 -0700
<Put your money where your mouth is Jim.. <Please send a link that includes prices that I can order. <Thanks <73 <Jim W7RY https://www.surplussales.com/Capacitors/Trans_Coup_Caps/cap_doorknob.html ht
/archives//html/Amps/2019-04/msg00028.html (8,330 bytes)


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