The Filter design for Zaph,s Hi-Vi B3S single driver system - diyAudio
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Old 25th October 2005, 01:16 PM   #1
zei is offline zei  Sweden
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Default The Filter design for Zaph,s Hi-Vi B3S single driver system

Ok, i,m a complete beginner in this diy thing.

I am wondering if someone can explain what a "The cap is a Bennic poly" is?
i need it for the filter design and i can,t find it anyware.

I understand that it dont have to be a bennic or even a 4,3 value since i can put a 1.0 and a 3,3 in pararell..

However.. What does Poly meens??

In Swedish i can see more than one option for Poly so i need to know exact.

Polyester
Polykarbon
Polypropylen
polyfenylsulfid

very greatful for the help.

Best regards
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Old 25th October 2005, 01:44 PM   #2
soongsc is offline soongsc  Taiwan
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Default Re: The Filter design for Zaph,s Hi-Vi B3S single driver system

Quote:
Originally posted by zei
Ok, i,m a complete beginner in this diy thing.

I am wondering if someone can explain what a "The cap is a Bennic poly" is?
i need it for the filter design and i can,t find it anyware.

I understand that it dont have to be a bennic or even a 4,3 value since i can put a 1.0 and a 3,3 in pararell..

However.. What does Poly meens??

In Swedish i can see more than one option for Poly so i need to know exact.

Polyester
Polykarbon
Polypropylen
polyfenylsulfid

very greatful for the help.

Best regards
I believe Bennic is the brand. Probably looking at the physical size you can figure out what kind of poly it is, or look up the web site. The better material are generally larger for the same cap value.
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Old 25th October 2005, 02:08 PM   #3
zei is offline zei  Sweden
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I have looked on my local dealer but cant find anything useful..

"Calling John" "Calling John" i need you help !
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Old 25th October 2005, 02:43 PM   #4
zei is offline zei  Sweden
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I think i found the correct type.. so thanx
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Old 25th October 2005, 06:12 PM   #5
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I am sure "poly" refers to polypropylene. In the US when polyester is used it usually is referred to as Mylar. The other items beginning with poly are not used in speaker filters.
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Old 25th October 2005, 08:00 PM   #6
zei is offline zei  Sweden
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You are right.! I did some more asking around and i was told exactly what you wrote here

So thanx alot for helping out a beginner
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