The Signal Transfer Company

[GerryCo]

Indeed.

 

[GerryCo]

Apparently the Signal Transfer Co is still under Gareth's/GJC management ....

The Signal Transfer Company ▷ Mytholmroyd, Unit 9A, Topland Country Business Park, Cragg Road

 

[Mooly]

No problem I'll tidy it up in a couple of minutes. We've had the URL problem before with some links, the largest I've seen ran to 1.3 million characters

 

[GerryCo]

1.3 Million .... Ouch !!!

 

[Mooly]

Last one for today

This was a business list I found for the Topland Park. No Signal Transfer Company or GJC company listed that I could just see

19 Companies in HX7 5RW, Topland Country Business Park, Cragg Vale, Hebden Bridge - Endole

 

[Mooly]

1.3 Million .... Ouch !!!

Yes Its a weird problem because any thumbnail images in any other post on the same page disappear. The images are still clickable but the actual images in the preview vanish.

 

[GerryCo]

Last one for today

This was a business list I found for the Topland Park. No Signal Transfer Company or GJC company listed that I could just see

19 Companies in HX7 5RW, Topland Country Business Park, Cragg Vale, Hebden Bridge - Endole

Then it seems fair to say that the two ventures are closed for business - a great pity I think, because Doug Self's designs are really worth having if one is looking for genuine, high end performance at decent prices, IMHO.


I have built two of his designs: the class G power amplifier and a modded version of his 'Precision Pre-amplifier' for a multi-amped project which serves me very well indeed - that is to say that the sound quality and system reliability is totally beyond reproach, and although I am not intending to build anything more at present, it would be nice to know that his products are still available.

 

[etlasr]

Have just mailed Gareth on his address for his other company i.e.'Gareth@GJCDesigns.co.uk'. Looking back this is how I got a response last time. The Signal transfer mails didn't get a reply.

 

[Mooly]

Thanks, I hope you get a response

 

[etlasr]

Weird just got a prompt reply from Gareth on that mail address. Seems he has what I want. Lets see how it goes. He also ccd his response to gconnor@freeuk.com. Maybe that's the mail he's using for Signal Transfer stuff?

 

[Mooly]

Very weird. I found another unit number listed and another address although I don't know the dates of these. Scroll down the page.

Gareth Connor Limited ▷ Cragg Vale, UNIT 10D TOPLANDS BUSINESS PARK

 

[etlasr]

I have no way of knowing this but I'm thinking Gareth may not be actively trading as Signal Transfer.

 

[GerryCo]

I have no way of knowing this but I'm thinking Gareth may not be actively trading as Signal Transfer.

Quite right - I have now also got a reply from his website - he is trading as GJC but also handles the Signal Transfer business there.

 

[GerryCo]

Just got this from Gareth :



Hello Gerry,

The people at Topland have got in touch with me saying that they have had comms from you trying to get hold of me.


Full contact details, business and personal, are:


Landline: +44-1422-885196
Cell: +44-7779-385207
Email: signaltransfer@freeuk.com
gconnor@freeuk.com
gareth@gjcdesigns.co.uk


Hopefully this will establish contact.

With thanks and best regards,

Gareth





Gareth Connor.

The Signal Transfer Company,
Unit 9a, Topland Country Business Park, Cragg Road,
Mytholmroyd, West Yorkshire, HX7 5RW, England.
signaltransfer@freeuk.com
gconnor@freeuk.com
Tel: 01422 885 196

 

[Mooly]

Thanks for posting all that Gerry. At least it's good to know that the business is still running in some form and contactable for those who want to investigate his product lineup.

 

[GerryCo]

Glad to know they're still in business, let's hope it all runs smoothly with STC from now on - and I hope those who had previously given up on them will read these later posts so that they can get in touch with Gareth/STC for their requirements too.

 

[etlasr]

self pre amp

Gerry, when you say you built a modded version of the Self precision pre-amp what mods were you were referring to? I ask as I'm in process of building one myself (well its a project ongoing for 3 yrs but I now have some time!). Mods I will incorporate are in D Self's book 'small signal audio design' 2nd edition page 428 where he revisits some of the design thinking.

 

[etlasr]

Gareth has just told me all my bits are in stock so that's another good step forward

 

[GerryCo]

Hi etlasr, Doug designed three versions of that pre-amp, the first, utilising 5532 op-amps, appeared in Electronics World magazine - then in collaboration with Peter Baxandall he redesigned it to produce a top end, no compromise unit using expensive LM4562 op-amps. It was published in Elector Magazine. The final version was published (I think by Jan Didden in Linear Audio Magazine), and was a kind of compromise between the first two.
The problem for me was:
a) I was not prepared to pay for the high expense op-amps; and
b) the required pot values: in version 1 they were 10k (noisy), version 2: 1k (which would apparently warm up appreciably in use) and version 3: 5k. I had only 2k5 pots and wanted to use them rather than buy new ones - likewise the op-amps: I had a large collection of 5532's and wanted to use them up rather than buy new ones of any type.
So my solution - also from Doug Self's articles - was to 'quad path' - that is, to use 4 paralleled 5532 op-amps and correspondingly lower value resistors to keep noise contribution low and enabling the use of my lower value pots (which do not warm up in service).
Unfortunately I do not own a copy of Small Signal Audio Design (yet), so not aware of what further suggestions he has proposed there, but I do have copies of all three of the designs listed above and will email those to you if you are interested in them for info and full circuit design and diagrams.

 

[etlasr]

Gerry, yes would very much like to see the info. Have sent you my email address by private message. I can send you the info from Self's book if you like. It's nothing radical just tweaks but as I'm building from scratch its worth doing.