An even better suggestion.
From: Phil T. (VE3OZZ) <email@example.com>
To: Paul Hicks, VE3BBH / VE3ZT <firstname.lastname@example.org>
Cc: email@example.com <firstname.lastname@example.org>
Date: Monday, December 14, 1998 9:06 PM
Subject: Re: [AMPS] Henry 3K HV Plate Transformer, replacement
>Paul, it might be tough meeting your requirements AND staying with the same
>transformer core. If you want higher CCS current rating , you might not be
>able to stay with the same core. Higher CCS rating generally means larger
>gage secondary (and maybe primary) wire, which occupies more space in the
>lamination window. If the existing core window is already full (and it
>likely is), there's no way you'll be able to rewind with larger wire and
>have it fit.
>If you still want to bullet proof the thing but stay within the existing
>transformer volume, your only solution may be a new transformer on a strip
>wound "C" core from Dahl or whomever. The "C" cores enable higher overall
>ratings on a physically smaller core.
>Call me during the day @ (905)546-6022 and we can discuss further. I know
>of a couple of custom winders in the Toronto area.
>At 11:26 PM 12/14/98 -0500, you wrote:
>>If YOU owned a Henry 3K amplifier (bear with me, please) and you were
>>hell-bent on repairing it with the view of NEVER blowing another plate
>>transformer, and you are a contester and want the amp (transformer and
>>other components) to run cool. What would you be considering with regard
>>a replacement transformer (make, model, specifications) or, if you were
>>considering rewinding the original Triad core, what specs would you want?
>>I copies the following from the Dahl site:
>>HENRY 3K ER PLATE EXACT REPLACEMENT, TRIAD P/N 70400 EI-250 X 5" 29GM6XRH
>>04 65 $425.00
>>PR) 230 VAC 60 HZ HI-LO TAP S1) 3800/2800 VAC @ 600MA CCS
>>DM) HT = 8.250 WT = 6.250 DT = 8.150 MD = 7.000 MW = 5.000 WT = 65.2 LBS
>>I was surprised the Triad was rated at only 600ma. If I'm going to get
>>rewound up here (I live in Toronto), and the transformer must remain the
>>same dimensions, can the specifications be improved upon (i.e., 800 ma, or
>>Should I decide to buy an new transformer, can any you suggest a
>>manufacturer, website if available.
>>Any other pertinent info that I haven't thought of would also be
>>Post to reflector, please.
>>73, Paul Hicks.
>>FAQ on WWW: http://www.contesting.com/ampfaq.html
>>Administrative requests: amps-REQUEST@contesting.com
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