The spec is on the Harbach/Dahl website Dave. You can probably save a
few by having it rewound. If its no longer there I can dig up a hard
copy catalog out of the dungeon
Carl
KM1H
----- Original Message -----
From: "DAVE WHITE" <mausoptik@btinternet.com>
To: "David Goncalves" <davegoncalves@gmail.com>
Cc: <amps@contesting.com>
Sent: Friday, February 20, 2009 4:14 PM
Subject: Re: [Amps] SB220 transformer
> Hi David - by the time I've got it shipped, paid customs duty, paid
> courier's fees to carry out import etc it'll have cost me close on
> GBP450. Our thieving government will charge about 6 percent "duty"
> plus 15 percent "VAT" on the cost of the whole shipment including the
> shipping charge.
>
> It'll be cheaper to get something made locally or even to get the
> original rewound. I'll shop around for a few prices next week, but
> would expect to pay GBP200 or so, for a good custom wound transformer
> to the right spec....if I can get hold of the spec!
>
> cheers
>
> Dave G0OIL
>
> --- On Fri, 20/2/09, David Goncalves <davegoncalves@gmail.com> wrote:
> From: David Goncalves <davegoncalves@gmail.com>
> Subject: Re: [Amps] SB220 transformer
> To: "DAVE WHITE" <mausoptik@btinternet.com>
> Date: Friday, 20 February, 2009, 9:05 PM
>
> How about a transformer from Harbach Electronics? Shipping issue?
>
> David Goncalves
> W1EUJ
>
>
> On Fri, Feb 20, 2009 at 3:27 PM, DAVE WHITE <mausoptik@btinternet.com>
> wrote:
>
> Hi all
>
> Well when I spoke of the amp that G0DBE has had on loan from me for a
> while, extolling its virtues and saying how reliable it was....
>
>
> ....I GAVE IT THE KISS OF DEATH!
>
> Just how can praising a piece of equipment that's been reliable for 30
> years cause it suddenly to fail? Is it the same jinx that causes good
> amps to suddenly burst into flames at 0001z on a Friday night at the
> first utterence of the Phrase "CQ CONTEST"? I think we should be told.
>
>
> Anyway, it appears that the HT transformer is knackered, taking the
> plate blocking capacitor with it - and who knows what else. I'll
> rebuild it at some point soon. In the meantime I need to get a
> transformer....
>
>
> Does anyone happen to have the spec and dimensions of the Heath SB220
> transformer to hand? I'll get one ordered from TEC in Basildon who I'm
> sure will build me a transformer that'll last another 30 years.
>
>
> Anyone got any idea what typically precipitates these failures? I
> don't know the exact sequence of events since the amp's been out on
> loan for about 10 years or more.
>
> cheers
>
> Dave G0OIL
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>
>
>
> --
> David Goncalves
>
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