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Jez_Ultra View Drop Down
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Joined: 26 February 2004
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    Posted: 09 October 2004 at 1:01pm

so has anyone used the porn horn yet.  I notice that pap are now selling them.  Was wondering if Rog has/will post/ed some plans for a cabinet using them. 

If not has anyone any idea what the back volume should be using the sn12b, and any suggestions on grouping them.

Jez

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Jez_Ultra View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jez_Ultra Quote  Post ReplyReply Direct Link To This Post Posted: 09 October 2004 at 1:03pm

ps can't wait to hear the results of the bass shootout. 

 

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loophole View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote loophole Quote  Post ReplyReply Direct Link To This Post Posted: 11 October 2004 at 2:31am
we've now got a pair, and we're very pleased with them. rog said to make the back chamber as small as possible, we've basically built a 10degree trapezoidial cabinet, and the back space is pretty tight around the driver.

took them to a quarry this weekend with the rest of the rig and had a lot of fun ;)
they sound lovely and still pack a punch 75m off (as far away as we've had an opportunity to test. the phase plug isn't the most complex of designs, but the speaker is noticably clearer around the upper mid compared to conventional mt122 horns.
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Jez_Ultra View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jez_Ultra Quote  Post ReplyReply Direct Link To This Post Posted: 11 October 2004 at 7:59pm

so theres no science, just make it nice and snug. I'll create something from my imagination then, and post the drawing for anyone else wanting to make some.  I guess you used a similar layout to the mt122, with the cd in the middle.  I think I'm going to split them, one horn, 1 box kinda thing. 

Jez

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loophole View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote loophole Quote  Post ReplyReply Direct Link To This Post Posted: 12 October 2004 at 2:08am
no i also split them. we have two 12 inchers and two top boxes
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