Any suggestion on smaller enclosures for Seas L22RN4X/P

Puggie · 5th January 2006, 01:50 PM

I have about 12l to play with in my current design, could go a bit larger but nothing huge. so can I do anything with this driver apart from sealed with a Linkwitz transform? would just sealed work well? I have no experience of using this driver yet.

Zaph · 5th January 2006, 09:04 PM

Sealed in a 12 liter will give you an F3 of about 60 hz, and a Qtc of close to .7. This is from my own actual TS measurements.

Be sure you use that in a three way. It's not a driver friendly to 2-way operation at all.

Puggie · 5th January 2006, 09:38 PM

Well its going in a 2 way but with a wide band 'tweet' Xover will be possibly be 150Hz 1st order, or there abouts.

Puggie · 5th January 2006, 11:15 PM

While I remember, I pulled one of the phase plugs out (ham fisted curiosity

)

I'm thinking, this driver has enough mechanical excursion for the coil to come completely out of the motor! now surely I have an issue with the VC having a pole piece through it on the instroke and nothing on the out stroke, so changing the VCs inductance. Would there be any benefit in replacing the phase plug with a non magnetic metallic replacement?

ShinOBIWAN · 6th January 2006, 01:58 AM

Quote:

Originally posted by Puggie
While I remember, I pulled one of the phase plugs out (ham fisted curiosity )

Whaat!!!

You've broke my drivers! Don't even think of asking for a refund now

Puggie · 6th January 2006, 09:24 AM

its not broken, its just doubling up as a jigsaw puzzle

I wanted to see if you could remove the phase plugs as IMHO they make the drivers look a bit cheap in comparison to say the Excel units. I was possibly planning on making aluminium or stainless steel replacements and anodising or powder coating them, just for asthetics (I can be so vain sometimes

).

ShinOBIWAN · 6th January 2006, 09:27 AM

Quote:

Originally posted by Puggie
its not broken, its just doubling up as a jigsaw puzzle

I wanted to see if you could remove the phase plugs as IMHO they make the drivers look a bit cheap in comparison to say the Excel units. I was possibly planning on making aluminium or stainless steel replacements and anodising or powder coating them, just for asthetics (I can be so vain sometimes ).

Sounds like a decent plan, I never liked them either.

5th January 2006, 01:50 PM	#1
Puggie diyAudio Member Join Date: Oct 2004	Any suggestion on smaller enclosures for Seas L22RN4X/P I have about 12l to play with in my current design, could go a bit larger but nothing huge. so can I do anything with this driver apart from sealed with a Linkwitz transform? would just sealed work well? I have no experience of using this driver yet.

5th January 2006, 09:04 PM	#2
Zaph diyAudio Member Join Date: Sep 2003 Location: Wisconsin	Sealed in a 12 liter will give you an F3 of about 60 hz, and a Qtc of close to .7. This is from my own actual TS measurements. Be sure you use that in a three way. It's not a driver friendly to 2-way operation at all. __________________ -Zaph\|Audio-

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5th January 2006, 09:38 PM	#3
Puggie diyAudio Member Join Date: Oct 2004	Well its going in a 2 way but with a wide band 'tweet' Xover will be possibly be 150Hz 1st order, or there abouts.

5th January 2006, 11:15 PM	#4
Puggie diyAudio Member Join Date: Oct 2004	While I remember, I pulled one of the phase plugs out (ham fisted curiosity ) I'm thinking, this driver has enough mechanical excursion for the coil to come completely out of the motor! now surely I have an issue with the VC having a pole piece through it on the instroke and nothing on the out stroke, so changing the VCs inductance. Would there be any benefit in replacing the phase plug with a non magnetic metallic replacement?

6th January 2006, 09:24 AM	#6
Puggie diyAudio Member Join Date: Oct 2004	its not broken, its just doubling up as a jigsaw puzzle I wanted to see if you could remove the phase plugs as IMHO they make the drivers look a bit cheap in comparison to say the Excel units. I was possibly planning on making aluminium or stainless steel replacements and anodising or powder coating them, just for asthetics (I can be so vain sometimes ).

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