Re: Speaker Cabinet build and covering
To be honest, I wouldn't use anything other than a proper grille-cloth for covering the the speaker baffle. Curtain material is likely to soak up too much of the treble frequencies from a guitar.
There are a few places to buy guitar-cabinet material from, but most of the ones I know of are in the USA and shipping will take so long that you forget what you bought it for. I am probably exaggerating as I think some shipping from the USA has got quite a bit speedier of late.
I have a feeling that the quilted metal-flake vinyl on the Sally Army PA might have meant that it was made by Kustom. They covered their stuff with a ski-jscket sort of material. However, it might just as easily been a copy of Kustom, as they were made in the USA and consequently rather expensive. They always reminded me of Robbie the Robot in the film "Forbidden Planet". I can't imagine the Sally Army being able to afford Kustom gear, what with all that saving of fallen women.
Colin.
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