Re: Re: G05 HV Transformer Repros ?

From: simon <simonjhanlon_at_btopenworld.com>
Date: Tue Jul 10 2007 - 02:46:48 EDT

Hovey King will make this transformer if you send them one and then spend
time testing the 10 different prototypes they make. I've already asked them
and they said no problem.

----- Original Message -----
From: "Mark Shostak" <xx.vl@cinelabs.com>
To: <vectorlist@vectorlist.org>
Sent: Tuesday, July 10, 2007 5:27 AM
Subject: Re: VECTOR: Re: VECTOR: G05 HV Transformer Repros ?

>> --- peter jones <highwayman2000@mail.ru> wrote:
>>
>> > i'm sure that there is a suitable tranny already,
>> > try the HR data-cd.
>> > it has diagrams & specs of all there transformers.
>> > if you get lucky there are HR dealers in wembley &
>> > kew.
>
> I'm not so sure about that. The "low voltage" high voltage transformers
> are
> a different beast from what HR's bread and butter is based on. They may
> not have
> the tooling to fab the materials and designs, of a 1970's transformer.
>
> The G05 runs around 25KHz, whereas most monitors for the time period ran
> around 15KHz, which makes it unlikely there will be an off-the-shelf
> replacement available.
>
> When I talked to them about doing an Amplifone replacement, they weren't
> really excited with the volume in question.
>
> I'm toying with this idea now, but the failure rate on those parts is
> rather
> low, so that means the production volume will be low. To try and get the
> volume
> up, I'd like to see the design work in _both_ versions of the G05.
> Unfortunately, in order to do that, it has to operate from about 25V to
> 40V,
> which is fairly wide.
>
> BTW, which version of the G05 have people seen the most failures in?
> (or would want to buy a spare for?)
>
> Thanks,
> -Mark
>
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Received on Tue Jul 10 02:46:52 2007

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