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Mad About Sound

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#82
Vikash said:

Has the tweeter prices scared you off Rich/Ant?

V
Click to expand...

Again we're looking at stiff competition. There's the Vifa XT25(£40) and the near legendary Seas 27TBFG(£32).

Thanks for checking into it Vik but the shipping and import duties take the shine off the value for money. I'd still give them a go but the real question is would others?
 
#83
Vikash said:
Large aluminium heatsinks reduced to clear: http://www.madaboutsound.com/prod_det.asp?product_id=38

Has the tweeter prices scared you off Rich/Ant?

Ian, I have only a single 300VA 2x22v potted toroid left in stock!

V
Click to expand...


I'll have it, the only problem is I can't log into your site at the moment, when I say I have an account is says it can't be found and when I try to say I don't have an account it says that an account with this name already exists! :xeye:
 
#89
Hi Vikash,
If you are still interested in sourcing toroidal transformers, I recently ordered some custom ones from salzer in coimbatore, southern india.
http://www.salzergroup.net/Products.htm
I found them on the web and made an order for 5, very very nice quality -- the company manufactures for the well-reputed Plitron in Canada.
The man at Salzer told me they are looking for distributors in UK, Europe, North India. Maybe of interest to you? mail me off-list and I can give you the contact details if you interested.
 
#91
The case I used is from Digikey: http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=SRA21-9VB-ND

The switch (now discontinued): http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=360-1022-ND

The Right Angled PCB Phono Socket: http://www.tait-components.com/ProductDetail.asp?stock_code=531193

BNC socket and plugs should be easy enough to source locally.

The mic wand is a brass tube available from hobby stores model no: KS132

I might consider putting another kit together using budget components to bring the kit cost down a lot. Let me know if you think their might be interest in it.

Vikash
 
#92
Thanks Vikash,

I think most people have difficulty putting together the electronics necessary for speaker testing. The risk normally is fying the SC inputs. If there were a kit that takes care of the Mic, preamp, jig, and amp, it would be great.

I have uploaded into the SoundEasy User group at Yahoo my current jig design which is a modified Wallin Jig. The main purpose is to allow for various levels of testing without frying the SC inputs. The amp needs to be able to output up to 25V to drive speakers into non-linear region for non-linear parameter extraction. So if we can match the JIG to a specific amp, people can just hook things up and get running without worriing about frying the SC.

Right now I'm using an amp kit based on the TDA7294 chip which is okay. Just takes time to put everything into a case. Really had no choice but just took the one that seemed to output enough voltage.
 
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