The Filter design for Zaph,s Hi-Vi B3S single driver system

zei · 25th October 2005, 01:16 PM

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

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..

"Calling John" "Calling John"

i need you help !

zei · 25th October 2005, 02:43 PM

I think i found the correct type.. so thanx

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

So thanx alot for helping out a beginner

25th October 2005, 01:16 PM	#1
zei diyAudio Member Join Date: Feb 2005 Location: Gothenburg, Sweden	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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25th October 2005, 02:08 PM	#3
zei diyAudio Member Join Date: Feb 2005 Location: Gothenburg, Sweden	I have looked on my local dealer but cant find anything useful.. "Calling John" "Calling John" i need you help !

25th October 2005, 02:43 PM	#4
zei diyAudio Member Join Date: Feb 2005 Location: Gothenburg, Sweden	I think i found the correct type.. so thanx

25th October 2005, 06:12 PM	#5
Dick West diyAudio Member Join Date: Aug 2004 Location: Illinois	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.

25th October 2005, 08:00 PM	#6
zei diyAudio Member Join Date: Feb 2005 Location: Gothenburg, Sweden	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