VIFA P17WJ-00 Ported or Sealed?

weddie · 27th December 2004, 11:42 PM

Could the VIFA P17WJ-00 driver be placed in a sealed box and have tight bass. If not, could the driver, in a .25 cubic foot box with a 1" diameter port tuned to 50hz, sound terriable? What are the advantages with different port diameters. Would a 1" dia port create more port noise then a 2"? Thanks for you help in advance.

Weddie

P.S. Does anyone have any good designs for a small box with the VIFA P17WJ-00 and is a 3000hz x-over too high?

Davey · 28th December 2004, 04:33 PM

It would have tighter bass in a sealed box than a vented box. However, .25 cubic feet is a bit too small for either case.

There are hundreds of DIY designs using this driver available. Google and you will find.

Here's one:

http://www.audiodiycentral.com/sd200_johnk.shtml

Davey.

Pan · 28th December 2004, 06:12 PM

The P17 in closed box will be almost bassfree. I´ll take reflex bass over no bass any day.10-15 lit. reflexloaded is the deal with that driver IMO.

And yes, a 1" port will be more noisy than a 2"port.
Use as fat port as possible within the capability of the box volume (the wider the port the longer for a fixed tuning).

/Peter

27th December 2004, 11:42 PM	#1
weddie diyAudio Member Join Date: Aug 2004 Location: MN	VIFA P17WJ-00 Ported or Sealed? Could the VIFA P17WJ-00 driver be placed in a sealed box and have tight bass. If not, could the driver, in a .25 cubic foot box with a 1" diameter port tuned to 50hz, sound terriable? What are the advantages with different port diameters. Would a 1" dia port create more port noise then a 2"? Thanks for you help in advance. Weddie P.S. Does anyone have any good designs for a small box with the VIFA P17WJ-00 and is a 3000hz x-over too high?

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28th December 2004, 04:33 PM	#2
Davey diyAudio Member Join Date: Dec 2001 Location: Bremerton, WA.	It would have tighter bass in a sealed box than a vented box. However, .25 cubic feet is a bit too small for either case. There are hundreds of DIY designs using this driver available. Google and you will find. Here's one: http://www.audiodiycentral.com/sd200_johnk.shtml Davey.

28th December 2004, 06:12 PM	#3
Pan diyAudio Member Join Date: Sep 2002	The P17 in closed box will be almost bassfree. I´ll take reflex bass over no bass any day.10-15 lit. reflexloaded is the deal with that driver IMO. And yes, a 1" port will be more noisy than a 2"port. Use as fat port as possible within the capability of the box volume (the wider the port the longer for a fixed tuning). /Peter

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