Metal Template

**HeadScratcher** · 14th March 2012, 01:47 PM

While purchasing a new piece of audio equipment I came across someone who had already completed a speaker design based on a concept that I thought I had come up with (always someone out there that beats you to it).

But that only proves that his / my idea works… Anyway I notice that he used a metal template, where I had planned on using a wood one.
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I was just wondering since I know someone in QLD who used to do some metal profile work form me, at a reasonable cost, was there any advantage / disadvantage to using metal templates?

Edit:
Help if I posted the pics

**HeadScratcher** · 22nd March 2012, 08:13 AM

no opinions, no educated guesses?

**Template Tom** · 22nd March 2012, 08:54 AM

How large is the template to be made. The shape may require a number of indicidual templates to made to remove one or two parts at any one time Send me the details then I can offer you an opinion on how I may attempt it
Tom

**pal** · 22nd March 2012, 09:02 AM

Hi Paul
No real advantage using a metal template unless you intend to make a hell of a lot of speaker cabinets. The timber/MDF template would bruise over a long period of use.

Regards

Harold

**HeadScratcher** · 22nd March 2012, 09:14 AM

Tom the template to be made would be similar to the one in the picture in the first post. I would probably go with a rounded back as I don't need to add a port for a tweeter.

Harold I was thinking that being made out of metal. It would be able to be drawn up in something like Autocad and they could profile cut it off the drawing as opposed to me trying to get the shape right in wood.

Doesn't really matter as I was just brainstorming ideas and wondered if there were any real advantages or disadvantages.

If it was made out of say 3 or 4 mm metal would that make it harder to use a guide?

Also I'm thinking individual speakers not one big cabinet like in the pic...

**HeadScratcher** · 22nd March 2012, 09:29 AM

Here is a link to the website for more pics Ground Sound I just noticed he is also using a Raal tweeter.

He's using the 70-20 where as I am using the 140-15 (70mm x 20mm tweeter surface area vs 140mm x 15mm).

I have been reading up on flush mounting the tweeter as it helps flatten the frequency response and I see he has done that in the pics on the website.

Was thinking it would probably be best to cut the tweeter recess in after its built so the same template can be used for top and bottom.

And also make sure the tweeter mounting surface area remains flat, as it would be cut after all the glue is well dried.

**Gaza** · 22nd March 2012, 10:41 AM

laser wizard in st marys send them a DWG they can cut out of MDF, Steel or plastic for you.

they dont mind doing small jobs you can pay by credit card and they send it to you by couier

**HeadScratcher** · 22nd March 2012, 04:24 PM

What would they charge for a templatre like the one in the first post? The guys I used to use were dirt cheap.

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