[Amps] Henry 3k Filament transformer taps

[Mark Robinson]

My 240V house supply measured 252V rms.

Did you measure yours?


Mark N1UK
----- Original Message ----- 
From: "Robert Morris" <robrk at nidhog.net>
To: "glenn riccio" <gfriccio at hughes.net>
Cc: <amps at contesting.com>
Sent: Monday, 08 September, 2014 9:17 AM
Subject: Re: [Amps] Henry 3k Filament transformer taps


> Are you sure it's 240? I'm sitting watching my fancy UPS, on the TV stuff, 
> beep  with 124(248) coming out of the wall.
>
> Lots of stuff in the junk box says 115 if not 110. Bet your transformer is 
> from the 115 days.
> You need a variac on the fils, anyway.
>
> Isn't nice we pay by KWH. Don't have raise the price, just crank up the 
> volts....
>
>
>
> On Sep 7, 2014, at 7:09 PM, glenn riccio wrote:
>
> Hello all you henry radio amp owners. I just bought a  Henry 3k filament
> xfrmer off the internet. It is supposed to deliver 7.5 v @ 21 amps. There
> are taps on the primary side to adjust output .  I cannot get less than 
> 8.75
> volts out. My input voltage is 240vac. I tried all the taps on the primary
> side using #1 as the common leg. It is a EC1216a  transformer. I want to 
> use
> it for my 4-1000a amp I'm building.
>
> I suppose I could call or e-mail henry radio but they might be annoyed 
> that
> I'm not using it for  one of there amps. Any help would be appreciated. 73
> Glenn K7gfr
>
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