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Multi-Way Conventional loudspeakers with crossovers

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Old 29th October 2006, 07:26 PM   #211
suzyj is offline suzyj  Australia-Aboriginal
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Default Re: Re: AR Crossover

Quote:
Originally posted by rabbitz


The AR xo crosses over at about 3400Hz.

Have a look at the AR xo page for some background on this type of xo and Andy G's info on series xo's.
Ahhh. Thanks for the link. I'd transposed the inductors. It simulates much better with the correct value inductors in the appropriate places.

Cheers,

Suzy
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Old 30th October 2006, 04:34 AM   #212
D1GGY is offline D1GGY  New Zealand
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to save a read through, what sort of damping material (if any) is required?

m
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Old 30th October 2006, 12:58 PM   #213
rabbitz is offline rabbitz  Australia
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Just a tad of damping material on the back, top and bottom. Long haired wool is the best if you can find it but the stuff from Jaycar is what I use and I split it to half thickness.... about 20mm thick.

It's odd that in Australia that has more sheep than people, it's hard to find long haired wool.
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Old 30th October 2006, 06:56 PM   #214
D1GGY is offline D1GGY  New Zealand
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Thanks for the info, i can only find it through Jaycar to, how funny....
m
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Old 30th October 2006, 10:33 PM   #215
Geoff H is offline Geoff H  Australia
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Long haired wool. Have you tried craft shops? Wool spinners often go for a double fleece.

None of the synthetics seem to do the job. Prior to tontine, we used a fluffy cotton based stuff. I have asked a few friends what it was called, they remember the material, but no name has come forth.

Rockwool was good, but that was replaced with fibreglass.

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Old 30th October 2006, 11:08 PM   #216
D1GGY is offline D1GGY  New Zealand
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Thanks Geoff

can anyone post a picture or a link for this to give me an idea what i am looking for when i am in amongst the dolls houses and xmas decoration kits.....

thanks
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Old 31st October 2006, 01:26 AM   #217
Geoff H is offline Geoff H  Australia
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Try a search in Google. Advanced, include spinning & fleece. Plenty in UK and Austalia. Didn't see any for NZ. There is a bit on eBay.

Failing that, a drive to the Canterbury Plains. A good tool box has a pair of scissors. LOL
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Old 31st October 2006, 01:45 AM   #218
suzyj is offline suzyj  Australia-Aboriginal
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I'm confused. I thought fleece was fluffy stuff. I can see stuffing it into an enclosure (like pillow stuffing), but are you suffesting sticking it to the sides? I expected something kinda flat (like carpet underlay) would more be the go.

Cheers,

Suzy
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Old 31st October 2006, 02:24 AM   #219
D1GGY is offline D1GGY  New Zealand
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suzy, you read my mind i was thinking the same thing.....

the search continues.......
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Old 31st October 2006, 02:34 AM   #220
D1GGY is offline D1GGY  New Zealand
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is this it ?
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