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I decided to quit fooling around [message #52397]

Sat, 02 August 2008 07:18

Bill Epstein
Messages: 1088
Registered: May 2009
Location: Smoky Mts. USA

Illuminati (2nd Degree)

My first Pis, Theatre 4s, had the horn set back 3/4" from the woofer baffle; next I built 2Pis with a sloped baffle, then various pseudo 4Pis with 3677s and own boxes with the horn on top.

I just ordered Eminence H-290s and soon there will be a pair of textbook 4Pi Pros with everything inside the box. These days, you have to do whatever you can to lower the Cx of your speakers; lower drag means better mileage.

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Re: I decided to quit fooling around [message #52398 is a reply to message #52397]

Sat, 02 August 2008 11:19

Wayne Parham
Messages: 18783
Registered: January 2001

Illuminati (33rd Degree)

What compression drivers will you be using? Both are nice, but the DE250 is a bit smoother.

Let us know how they sound to you!

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Re: Oooh! It's HOT! [message #52399 is a reply to message #52398]

Sat, 02 August 2008 12:13

Bill Epstein
Messages: 1088
Registered: May 2009
Location: Smoky Mts. USA

Illuminati (2nd Degree)

Got outside early and just finished cutting all the parts. I tellya, that Ryobi tablesaw on wheels is the bomb! How can it be so accurate after several years of bumping up and down stairs and with the sliding table to get from 19 to 32"? I check every setting and everyone is just what the scale says it should be. Amazing!

The A-C plywood I got from Lowes cut really well, too; I found no voids as I cut and the A side will be great for the NBL-backed veneer I'm going to use. About 1/2 the weight of MDF is also nice.

The B&C DE-250 is what I've got currently and it really is a better driver than any of the Altecs or JBLs I've tried in 1" format. Aside from the absolute faith I have in your designs, I finally went with indoor plumbing 'cause I've grown tired of room-dominating-sized speakers with wires and parts sticking out everywhere. After the XLHs, the quasi-Model 19s and the BatSpeakers these 18x26 boxes are gonna seem like bookshelf speakers.

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Re: Oooh! It's HOT! [message #52400 is a reply to message #52399]

Sat, 02 August 2008 14:06

Wayne Parham
Messages: 18783
Registered: January 2001

Illuminati (33rd Degree)

I hear you, Bill. I've got a pair of sevens and a pair of fours. Both sound great, but the fours are easier to move and easier to place. No muss no fuss!

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Re: Oooh! It's HOT! [message #52401 is a reply to message #52400]

Sat, 02 August 2008 21:07

Shane
Messages: 1117
Registered: May 2009

Illuminati (3rd Degree)

Someday I'll get a pair of 4's or 7's. When we finally get a house with my own room for listening. What do ya'll do when you have multiple sets of speakers. I've got the 2 Towers, Polk 5B's, ART Arrays (which I am digging immensely!!!), and some Heresy's.

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Roll call [message #52402 is a reply to message #52401]

Sat, 02 August 2008 21:23

Wayne Parham
Messages: 18783
Registered: January 2001

Illuminati (33rd Degree)

I know what you mean. I've got a pair of one π's, two π's, two π towers, three π's four π's, seven π's and eight 12π's. I listen to all of them from time to time, but mostly the two π towers, four π's and seven π's. The 12π's aren't really for use at home, they're rentals. But I use all the others pretty regularly.

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Re: Roll call [message #52403 is a reply to message #52402]

Sun, 03 August 2008 01:56

Shane
Messages: 1117
Registered: May 2009

Illuminati (3rd Degree)

Well, I jsut need a few more amps is the fix! I've got the NAD Bee running the Polks, the Abraxas 12B4 running the 2 Towers, and an old Kenwood from 1978 running the Art Arrays and Heresy's. I'd have the Darling project done if I'd get off my duff and find some OPT's for it. That one will go on the 2 Towers as well because of it's good sensitivity and simple crossover. It really works well with the 12B4 at 0.9W. If I'm feeling froggy though, I'll tap the NAD into the Towers and bother the neighbors!!!

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Re: Boxes are glued-up, you sure the crossovers will fit? [message #52404 is a reply to message #52400]

Sun, 03 August 2008 16:52

Bill Epstein
Messages: 1088
Registered: May 2009
Location: Smoky Mts. USA

Illuminati (2nd Degree)

They're so little!

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Re: Boxes are glued-up, you sure the crossovers will fit? [message #52405 is a reply to message #52404]

Sun, 03 August 2008 17:26

Wayne Parham
Messages: 18783
Registered: January 2001

Illuminati (33rd Degree)

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Re: Boxes are glued-up, you sure the crossovers will fit? [message #52409 is a reply to message #52404]

Mon, 04 August 2008 13:23

Matts
Messages: 359
Registered: May 2009

Grand Master

hi Bill, so you built these totally stock, or did you move the port down below the woofer? I guess we should hear your listening report pretty soon... Hope you end up liking them a lot.

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