Help with crossover for Accuton and Eton?

guru · 19th July 2004, 10:13 PM

Hi !

I need some help with designing a crossover for Accuton C92-6 and Eton Er4. Have found some on internet for Er4 but nothing for C92...Hope you can help

speaker data can be found on...
http://www.accuton.de/e/data/product...2/e_C92-6.html

http://www.eton-gmbh.de/dlstream.php?FileId=67

inertial · 8th August 2004, 10:08 AM

(sorry for my english)

Try this 4th filter ( very approsimative):

Er4: resistor series; 8,2microF series;0,16mH shunt; 8,2microF series; 1 mH shunt.
(Resistor 2,2- 4,7 ohm : listen!)

wf: 1 mH series; 17 microF shunt; 0,40 mH series; 3,7 microF shunt
+ Zobel CR (33 microF - 10 ohm) shunt. stop.
Zobel is deliberatedbly"overcompensated" , eventually try 27, 22, 15 microF. No problem .

Polarity: no one know if red is positive or negative . Can you measure an impulse response ? Otherwise try normal and reversed ( i don't know your offset ).
I hope you haven't doubt on wiring a "normal" 4tH passive crossover!

I know ER4 very well. Do not close rear face with a plate as a normal ribbon because it destroy the sound! A little rear box full cotton or dacron can absorb rear radiation (as come a cone midrange).

Hi!

19th July 2004, 10:13 PM	#1
guru diyAudio Member Join Date: May 2004 Location: Falun, Sweden	Help with crossover for Accuton and Eton? Hi ! I need some help with designing a crossover for Accuton C92-6 and Eton Er4. Have found some on internet for Er4 but nothing for C92...Hope you can help speaker data can be found on... http://www.accuton.de/e/data/product...2/e_C92-6.html http://www.eton-gmbh.de/dlstream.php?FileId=67

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8th August 2004, 10:08 AM	#2
inertial diyAudio Member Join Date: Aug 2004 Location: Italy	(sorry for my english) Try this 4th filter ( very approsimative): Er4: resistor series; 8,2microF series;0,16mH shunt; 8,2microF series; 1 mH shunt. (Resistor 2,2- 4,7 ohm : listen!) wf: 1 mH series; 17 microF shunt; 0,40 mH series; 3,7 microF shunt + Zobel CR (33 microF - 10 ohm) shunt. stop. Zobel is deliberatedbly"overcompensated" , eventually try 27, 22, 15 microF. No problem . Polarity: no one know if red is positive or negative . Can you measure an impulse response ? Otherwise try normal and reversed ( i don't know your offset ). I hope you haven't doubt on wiring a "normal" 4tH passive crossover! I know ER4 very well. Do not close rear face with a plate as a normal ribbon because it destroy the sound! A little rear box full cotton or dacron can absorb rear radiation (as come a cone midrange). Hi!

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