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Old 24th June 2011, 03:26 PM   #21
jimbro is offline jimbro  United States
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Gotcha - I was thinking of using 200hz crossover freq. with Alpair6's because that is the highest I can bi-amp with my AVR. That would give me a 1/4 wavelength of ~17" which would be plenty but it may not be that simple. I know there's a reason Dave chose 333hz.
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Old 24th June 2011, 05:56 PM   #22
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Midtweeter is in the middle because that gets the drivers as physically close as possible. The alternate would be to put the 2nd midwoofer on the side (or back (in if the ML-TL is maintained as wide)). It is important that Zd is maintained if you want to keep them in the ML-TL (so no top mounting)

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Old 24th June 2011, 05:58 PM   #23
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Quote:
Originally Posted by jimbro View Post
I know there's a reason Dave chose 333hz.
333 Hz was Tysen. Not quite sure where the XO is on the MTM (because series XOs are slippery in that respect), somewhere between 300-400, closer to the former i'd guess. To keep XO simple it was targeted to be around the baffle-step frequency.

If you are going active and 200 is as high as you can go, then well worth a try.

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Old 24th June 2011, 06:26 PM   #24
jimbro is offline jimbro  United States
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Thanks Dave - my top mounting idea was for a 2nd alpair6. The more I think about it, the single el166 MTM would probably suit better for my small room. One el166 and two alpair6m would give a pretty close efficiency match if I decided to go passive at some point.
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Old 23rd July 2011, 09:27 PM   #25
zman01 is online now zman01  Bangladesh
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Quote:
Originally Posted by jimbro View Post
Thanks Dave - my top mounting idea was for a 2nd alpair6. The more I think about it, the single el166 MTM would probably suit better for my small room. One el166 and two alpair6m would give a pretty close efficiency match if I decided to go passive at some point.
Jimbro,

Have you started building this yet? You know I can't build all of 'em.
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Old 24th July 2011, 10:39 PM   #26
jimbro is offline jimbro  United States
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No - when I posted that I was convalescing from smashed toes and I had too much time to think about speakers. Now that I'm back on my feet I have no time for anything but trying to catch up on my work. There is a light at the end of a very long tunnel.
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Old 25th July 2011, 05:35 AM   #27
zman01 is online now zman01  Bangladesh
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Sorry to hear about your accident Jimbro. Hope you're better now. No worries, there's plenty of time to build, and it should get more interesting with the driver refresh both from Fostex and Mark Audio. Take care.
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Old 25th August 2011, 08:25 PM   #28
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Dave, how tall would a speaker like this with two EL166 and an EL70 as mid-tweeter be?
I think i remember i had some sort of planset for this, but i seem to have lost it and can't find it again.
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Old 26th August 2011, 08:36 PM   #29
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Depends how you impliment the EL70. Basic ML-TL is here and, unless you fold it, determines minimum height.

http://p10hifi.net/tlinespeakers/Wod...TLs-280411.pdf

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Old 26th August 2011, 09:56 PM   #30
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Quote:
Originally Posted by planet10 View Post
Depends how you impliment the EL70. Basic ML-TL is here and, unless you fold it, determines minimum height.

http://homepage.mac.com/tlinespeaker...TLs-280411.pdf

dave
Thanks. The dual EL166 version looks cool for me. But maybe a folded one would do for dad. But i'd like a slot port, if possible.

The dual-driver version cabinet is almost as the recommended cabinet when simulating in WinISD, for the black drivers.
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