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Old 20th December 2001, 11:30 PM   #1
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Join Date: Dec 2001
Location: louisiana
Default dayton pt2 planar tweeter

anyone use or hear the dayton pt2 planar tweeter? they are cheap and incorporate the ribbon design. the response graph is pretty flat, but we all know that doesn't mean everything.

thanks,
hien
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Old 21st December 2001, 01:16 AM   #2
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Join Date: Oct 2001
Location: 5280'
Hi

I have a pair of the ones from Stryke they are the same driver

Here's a clio nearfield measurement plot of one

Click the image to open in full size.

As you can see they are pretty soft in the high frequencies, and don't go very low. Some people are using them in 2-ways. I think that's a little foolish. They would make a nice cheap line array.
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Old 21st December 2001, 03:09 PM   #3
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thanks,
how are you running your system with the pt2?
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Old 21st December 2001, 05:44 PM   #4
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Join Date: Oct 2001
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I'm not using them.They're in the basemet gathering dust. I'd hoped for a flatter more extended top end.

Tried them in this test baffle hoping to extend the HF above the B&G planars. But they have almost identical top end roll-off as the RD-75's

Click the image to open in full size.
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Old 21st December 2001, 08:07 PM   #5
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Join Date: Dec 2001
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that was a picture that i wasn't picturing. uh, that is actually scarey. hope your neighbors like you.
want to get rid of those pt2's for like free? of course i will pay for shipping. you know, since they are gathering dust and all. no, just name a price and you can email me. thanks,
hien@bignetworks.com

hien
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Old 21st December 2001, 08:26 PM   #6
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Join Date: Feb 2001
Location: Columbia, SC
The BG RD-75s are absolutely wonderful midrange drivers, but they are soft on top. I cross mine over at 5kHz to Magneplanar ribbons, and the sound is quite nice indeed.

Grey
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Old 21st December 2001, 09:55 PM   #7
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Join Date: Oct 2001
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Quote:
The BG RD-75s are absolutely wonderful midrange drivers
Unfortunately that's exactlly what we discoverd

Here's a link to the first prototype baffle. It's abit more refined than the simple test baffle.


Grey

Where/ how did you get just the Maggie ribbons?
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Old 22nd December 2001, 02:44 AM   #8
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Join Date: Feb 2001
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I didn't get just the ribbons. I bought a pair of Tympani IVs years ago. Currently, I'm using the ribbons and the woofer panels, but the mids are out of the picture, superceded by the RD-75s. Yes, they really are great ribbons, just wish they were more supportive of the diy segment.

Grey
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Old 22nd December 2001, 03:25 AM   #9
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Sounds like an interesting setup. Thanks for the information

Regards
Thomas
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