Help Speaker replacement advice needed

Oct 28, 2003 5 Replies
A

Hi, I found some old Marantz boxes in the attic. LD20 if that means anything to anybody anymore, probably not. 14" by 9" by 10" outside, 2 way, vented. Foam turned to dust on bass units.



Since all I have is two probably usefull ready-made enclosures my question is what speakers should I get to use there. Not expensive and available in UK. I would appreciate your recomendations.



The original tweeters might work but the quality? The mid/bass opening is 168mm, centre to centre is 143mm. All openings can be cut bigger, vent can be closed, etc.



Is there any info site where I can compare dimensions or find calculations to arrive at proper crossover frequencies. Maybe manufactors datasheet sites? My old ref books are gone and any math background I had went with them.



It was long ago since I DIY-ed speakers and the old favorites are irelevant today probably.



Thanks ayosha



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S

They might be repaired. Check out

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P

Give Wilmslow Audio a try:

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T

Try phoning Wilmslow Audio.

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can possible recommend a drop-in replacement that will work with the original crossover. **

If not, they could probably supply a matched set of woofer, tweeter and Xover which will fit the cabinet. All the designing you have to do is pick the right size reflex vent.

** It's a Marantz. It probably doesn't have a crossover :-)
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D

I'd say that buying a complete set of replacements will cost more than simply a new pair of speakers of equivalent or better quality. Unless you really like experimenting.

You might find a kit of speakers and crossover etc of the right size where you would normally build the cabinet is reasonable value, though.

Wimlslow Audio do such kits.

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C

In message , ayosha writes

I would recommend getting a copy of 'Winspeakerz' (It's not expensive) and using the library of drive units, (and your internal measurements of the box of course) to see which current bass unit gives a good response.

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