[Amps] 12 KW CCS ON 160-15M....USING THE 3CX-6000A7..... PART 35

Bob D. ajamas.rn at gmail.com
Sun Nov 2 06:03:39 EST 2025


Nice job.

Please correct me if I'm wrong. I'm an old fart but novice amp constructor.
If amp is to be used strictly with a modern exciter that employs
"pre-distortion", I can do away with a lot of filter capacitance. Then no
need for soft start and glitch protection, if needed at all, will not need
to be as stout.

Considering for my 6m amp project using a gs35b. Also, plan to use metal
film caps in the supply. Very low ESR, self healing, don't dry out, and are
becoming competitive with electrolytic caps, thanks to electric vehicles
use.

Again, nice job on the supply. Wood is great! I've used with a microwave
oven transformer supply. Applied polyurethane so no worries about moisture.

73, Bob ah7i

-do not look into LASER with remaining eye!

On Sat, Nov 1, 2025, 12:00 <amps-request at contesting.com> wrote:

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>    1. 12 KW CCS ON 160-15M....USING THE 3CX-6000A7..... PART 35
>       (jim.thom jim.thom at telus.net)
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> Message: 1
> Date: Fri, 31 Oct 2025 23:44:20 -0700
> From: "jim.thom jim.thom at telus.net" <jim.thom at telus.net>
> To: amps at contesting.com
> Subject: [Amps] 12 KW CCS ON 160-15M....USING THE 3CX-6000A7..... PART
>         35
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> EBbg at mail.gmail.com>
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> The 7.5 kv  B+  supply is finally completed.   All wiring completed.
>
> https://www.youtube.com/watch?v=IisZ3jhXjnk
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