A Thread for those interested in PPSL enclosures - Page 19

norman bates · 03:52 AM

I had a narrow face ppsl. It was the test bed b4 I plunked down the cash for 4 x 18's. That box was maybe 20" wide, it had 2 x 12" rockford fosgate subs, and was maybe 36" deep. The slot port was on the side running top of box to bottom, but was almost the length of the box. If you want a ported box that's tuned to 30hz or below, and you move a bit of air (dual 12's with 4mm xmax), it is tough to have a large enough port that's long enough to fit in the box. But, you could do a passive radiator.....

What did my 18's look like ?
Well, I had a sheet over it.
It was so big that people never suspected it was the subs.
They'd stand in front of it and say "Where are the subs?" thinking there is a box thing maybe the size of a velodyne box. But the 4' wide x 24" tall x 36" deep (2 boxes stacked one on the other) is huge. I'll see if I can post some pics this weekend.

Norman

norman bates · 03:26 AM

okay, here's a picture of subs, the second one is behind him.
The guy is 5'10", 240lbs, construction build frame.

Norman

mondogenerator · 19th September 2011, 04:28 AM

Hahahaha YESSSSSSS a slayer fan next door!!!! now thats my kind of neighbourhood

norman bates · 19th September 2011, 06:20 AM

lol

CLS · 12:19 AM

...

jea · 15th October 2011, 02:02 PM

Well I finally started cutting plywood. It took me a while to get going.
Well being new at wood working I have a tendency to over think things. I bought a router table extension for my table saw and thought a 45° Lock Miter Router Bit would be the perfect way of joining the corners without showing an edge. Well I learned all about tear out. So I gave up on that. So now I am using butt joints. Maybe some pics next week when I start screwing it together.
Any assembly hints?
j

doug20 · 15th October 2011, 02:36 PM

premium glue and clamps. (screws always help)

Nothing else is really as important and most of the joint stuff is just overkill extra wasted time.

doug20 · 15th October 2011, 02:52 PM

Does anyone know of the lowest tuned PPSL ever built??

Im only interested in HT (I want the lowest octaves) and Im always curious about different subwoofer designs.

jea · 15th October 2011, 02:53 PM

Any special glue?
I am planning on painting them. I want the corners to be good. Need to find out how to seal the ends of the plywood so the paint will look good.

djk · 15th October 2011, 03:01 PM

Man those butt joints are ugly!

At one time I made a pair of PPSL with a centrally located slot with a 'V" shaped grill that looked way cool.

17th September 2011, 03:50 AM	#181
norman bates diyAudio Member Join Date: Nov 2003 Location: iowa	I had a narrow face ppsl. It was the test bed b4 I plunked down the cash for 4 x 18's. That box was maybe 20" wide, it had 2 x 12" rockford fosgate subs, and was maybe 36" deep. The slot port was on the side running top of box to bottom, but was almost the length of the box. If you want a ported box that's tuned to 30hz or below, and you move a bit of air (dual 12's with 4mm xmax), it is tough to have a large enough port that's long enough to fit in the box. But, you could do a passive radiator..... What did my 18's look like ? Well, I had a sheet over it. It was so big that people never suspected it was the subs. They'd stand in front of it and say "Where are the subs?" thinking there is a box thing maybe the size of a velodyne box. But the 4' wide x 24" tall x 36" deep (2 boxes stacked one on the other) is huge. I'll see if I can post some pics this weekend. Norman Last edited by norman bates; 17th September 2011 at 03:52 AM.

19th September 2011, 03:14 AM	#182
norman bates diyAudio Member Join Date: Nov 2003 Location: iowa	here's a picture okay, here's a picture of subs, the second one is behind him. The guy is 5'10", 240lbs, construction build frame. Norman Last edited by norman bates; 19th September 2011 at 03:26 AM.

19th September 2011, 04:28 AM	#183
mondogenerator diyAudio Member Join Date: Sep 2009 Location: City Of Villans Blog Entries: 1	Hahahaha YESSSSSSS a slayer fan next door!!!! now thats my kind of neighbourhood __________________ It still amazes me every time I get something right

21st September 2011, 12:10 AM	#185
CLS diyAudio Member Join Date: Jun 2005 Location: Taiwan	... Last edited by CLS; 21st September 2011 at 12:19 AM. Reason: Wrong thread, sorry

15th October 2011, 03:01 PM	#190
djk diyAudio Member Join Date: Feb 2001 Location: USA	Man those butt joints are ugly! At one time I made a pair of PPSL with a centrally located slot with a 'V" shaped grill that looked way cool. __________________ Candidates for the Darwin Award should not read this author.


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19th September 2011, 06:20 AM	#184
norman bates diyAudio Member Join Date: Nov 2003 Location: iowa	lol

15th October 2011, 02:02 PM	#186
jea diyAudio Member Join Date: Sep 2009 Location: St. Louis, Missouri	Well I finally started cutting plywood. It took me a while to get going. Well being new at wood working I have a tendency to over think things. I bought a router table extension for my table saw and thought a 45° Lock Miter Router Bit would be the perfect way of joining the corners without showing an edge. Well I learned all about tear out. So I gave up on that. So now I am using butt joints. Maybe some pics next week when I start screwing it together. Any assembly hints? j

15th October 2011, 02:36 PM	#187
doug20 diyAudio Member Join Date: Mar 2009	premium glue and clamps. (screws always help) Nothing else is really as important and most of the joint stuff is just overkill extra wasted time.

15th October 2011, 02:52 PM	#188
doug20 diyAudio Member Join Date: Mar 2009	Does anyone know of the lowest tuned PPSL ever built?? Im only interested in HT (I want the lowest octaves) and Im always curious about different subwoofer designs.

15th October 2011, 02:53 PM	#189
jea diyAudio Member Join Date: Sep 2009 Location: St. Louis, Missouri	Any special glue? I am planning on painting them. I want the corners to be good. Need to find out how to seal the ends of the plywood so the paint will look good.

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