Cross over Neo8 PDR and Neo 3 PDR

Jeroenkv · 7th June 2006, 03:49 PM

Does anybody know a good crossover between these units?
Just to give me a quick start, final crossover will be tuned further. I want to use them open baffle.

jmiyake · 21st September 2006, 04:42 AM

I too and intrigued by the Neo 3 and Neo 8. Have you progressed on this speaker combination? Please let me know.

Jeroenkv · 21st September 2006, 11:25 AM

I'm working on a speaker with a Neo3, two Neo8PDR's and a Scanspeak 25W. Filter middle/high will be passive and low / middle will be active.

I have the wood in house and first parts are glued to getter.

jmiyake · 22nd September 2006, 02:05 AM

I am very interested!

James

rho · 22nd September 2006, 07:42 PM

Yep, I'm interested too.
Don't know where but I think I've read somewhere that someone was using the 8 from 400Hz up to 5kHz, where the 3 takes over.

Jeroenkv · 23rd September 2006, 07:21 AM

I was think about 600hz 24db active and 5khz -6db passive. First tests looked promissing.

tubee · 23rd September 2006, 08:04 AM

How is the sound of the Neo 3?
I have an very old heavily modified T120 K in the ML-TQWP's, might replace it. But to be honest, i want an all new diy speaker....

I have made a quick design with a d'appolito around a dipole radiating Neo 3, and two alu mid bass drivers. A 60 degr. cone on backside of Neo helps radiating the sound through room.
And as you see in avatar, made some 360 degrees radiating tweeters from simple dome's too.

Jeroenkv · 23rd September 2006, 12:15 PM

I have currently a Neo8PDR dipole together with a Scanspeak 18W in BR. Crossover at 800hz.

rho · 23rd September 2006, 05:53 PM

Jeroen, are you thinking about bi-amping the final speaker or didi you use the 4th orde active x-ver just to test the performance of the NEO8?

Jeroenkv · 23rd September 2006, 08:40 PM

I'm going to use an amp for low and an amp for mid/high. Low is divided form mid/high via an active -24db Thel filter and mid and high are divided passively.

7th June 2006, 03:49 PM	#1
Jeroenkv diyAudio Member Join Date: Jul 2005 Location: Uitgeest	Cross over Neo8 PDR and Neo 3 PDR Does anybody know a good crossover between these units? Just to give me a quick start, final crossover will be tuned further. I want to use them open baffle.

21st September 2006, 04:42 AM	#2
jmiyake diyAudio Member Join Date: Apr 2002 Location: San Jose, Ca.	Did you make this speaker I too and intrigued by the Neo 3 and Neo 8. Have you progressed on this speaker combination? Please let me know.

22nd September 2006, 02:05 AM	#4
jmiyake diyAudio Member Join Date: Apr 2002 Location: San Jose, Ca.	Please keep me appraised. I am very interested! James

23rd September 2006, 08:04 AM	#7
tubee diyAudio Member Join Date: Jul 2004 Location: Netherlands	How is the sound of the Neo 3? I have an very old heavily modified T120 K in the ML-TQWP's, might replace it. But to be honest, i want an all new diy speaker.... I have made a quick design with a d'appolito around a dipole radiating Neo 3, and two alu mid bass drivers. A 60 degr. cone on backside of Neo helps radiating the sound through room. And as you see in avatar, made some 360 degrees radiating tweeters from simple dome's too. __________________ Daisy Bell

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21st September 2006, 11:25 AM	#3
Jeroenkv diyAudio Member Join Date: Jul 2005 Location: Uitgeest	I'm working on a speaker with a Neo3, two Neo8PDR's and a Scanspeak 25W. Filter middle/high will be passive and low / middle will be active. I have the wood in house and first parts are glued to getter.

22nd September 2006, 07:42 PM	#5
rho diyAudio Member Join Date: Sep 2003 Location: Peer, Belgium	Yep, I'm interested too. Don't know where but I think I've read somewhere that someone was using the 8 from 400Hz up to 5kHz, where the 3 takes over.

23rd September 2006, 07:21 AM	#6
Jeroenkv diyAudio Member Join Date: Jul 2005 Location: Uitgeest	I was think about 600hz 24db active and 5khz -6db passive. First tests looked promissing.

23rd September 2006, 12:15 PM	#8
Jeroenkv diyAudio Member Join Date: Jul 2005 Location: Uitgeest	I have currently a Neo8PDR dipole together with a Scanspeak 18W in BR. Crossover at 800hz.

23rd September 2006, 05:53 PM	#9
rho diyAudio Member Join Date: Sep 2003 Location: Peer, Belgium	Jeroen, are you thinking about bi-amping the final speaker or didi you use the 4th orde active x-ver just to test the performance of the NEO8?

23rd September 2006, 08:40 PM	#10
Jeroenkv diyAudio Member Join Date: Jul 2005 Location: Uitgeest	I'm going to use an amp for low and an amp for mid/high. Low is divided form mid/high via an active -24db Thel filter and mid and high are divided passively.

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