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Re: [Amps] Source of Mica Caps?

To: "Mark Bitterlich" <>, "Jim Thomson" <>, <>
Subject: Re: [Amps] Source of Mica Caps?
From: "Carl" <>
Date: Thu, 6 Jun 2013 20:19:49 -0400
List-post: <">>
----- Original Message ----- 
From: "Mark Bitterlich" <>
To: "Carl" <>; "Jim Thomson" <>; 
Sent: Sunday, July 14, 2013 4:07 PM
Subject: Re: [Amps] Source of Mica Caps?

>> ** I suspect most on this forum prefer simple and legal power, not some 
>> freak show ego trip.
>> Carl
>> KM1H
> I'm not so sure honestly.
> If a 3CX10000B7 amp happened to turn up wired up and ready to go, they would 
> turn it away and instead run a pair of 3-500's in a SB-220 (with grids 
> floating of course)  ???
> Personally, I'd fire that baby up and melt the feedline just to see the 
> needles peg, but hey I know I have a screw loose so please excuse me.  Just 
> FYI, I'm one of those that always wants to try what others tell me is 
> impossible or that I'm "not allowed" to do.
> Not stirring the pot (much), but Carl I think most hams that are interested 
> in learning about building amplifiers have at one time or another 
> contemplated having one that requires 220 VAC at 100 amps.  :-)
> I enjoy your postings.
> 73,
> Mark

Ive been thru those stages Mark and even built a few in the 70-80's to earn 
side money but didnt get past a pair of 4-1000A's and a single 3CX3000A7. That 
was when AM and FM BC stations had their own engineer and replaced tubes on 
schedule. The 4X1's still had plenty of life and a FM 3X3 was like new on HF 
and there were plenty of both within a 15 mile radius of here free for the 
Tubes with 5 digit dissipations just are way overboard IMO but I know a lot of 
them have been on ham bands for decades.

To get a real full 3dB above 1500W even a pair of 8877's wont do it and survive 
long. The 3CX3000A7 is still an excellent tube (even the Chinese one) and 
YC-156's are drying up as SS takes over the ISM market.

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