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-   -   The Filter design for Zaph,s Hi-Vi B3S single driver system (http://www.diyaudio.com/forums/multi-way/66671-filter-design-zaph-s-hi-vi-b3s-single-driver-system.html)

zei 25th October 2005 01:16 PM

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

soongsc 25th October 2005 01:44 PM

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.

zei 25th October 2005 02:08 PM

I have looked on my local dealer but cant find anything useful.. :rolleyes:

"Calling John" "Calling John" :D i need you help ! :cool:

zei 25th October 2005 02:43 PM

I think i found the correct type.. so thanx :D

Dick West 25th October 2005 06:12 PM

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.

zei 25th October 2005 08:00 PM

You are right.! I did some more asking around and i was told exactly what you wrote here :D

So thanx alot for helping out a beginner


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