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Old 2nd September 2013, 04:36 PM   #41
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I guess that proves it: if you buy a Daniel Hertz M1, why, you're no better than the leaders of Russia.
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Old 3rd September 2013, 12:04 AM   #42
JZatopa is offline JZatopa  United States
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I recently was looking all over for this posting and couldn't find it. Thanks for bringing it back up.

I like the look of these speakers myself. They have a very stoic and powerful look to them. I think that a speaker of this price point would take much more care to limit diffraction however.


What do you guys think about a clone that replaces the TPL150H with a OSWG or SEOS waveguide? I have a feeling that such a design could be quite an improvement but I have never played around with the TPL150H.
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Old 3rd September 2013, 03:33 AM   #43
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Quote:
Originally Posted by DJNUBZ View Post
I recently was looking all over for this posting and couldn't find it. Thanks for bringing it back up.

I like the look of these speakers myself. They have a very stoic and powerful look to them. I think that a speaker of this price point would take much more care to limit diffraction however.


What do you guys think about a clone that replaces the TPL150H with a OSWG or SEOS waveguide? I have a feeling that such a design could be quite an improvement but I have never played around with the TPL150H.

TPL-150H is a killer! I don't think any compression driver (even TAD, BMS, Radian, you name it...) could sonically be any close to TPL-150H
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Old 3rd September 2013, 03:57 AM   #44
xrk971 is offline xrk971  United States
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I also think that a remake of the M1 with the TPL150H would be superior to the original CD&Horn combo of the M1. Do you guys know if the 12 in driver is in a sealed enclosure? I know the 18 inchers have the two ports on the front.
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Old 3rd September 2013, 04:00 AM   #45
xrk971 is offline xrk971  United States
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Quote:
I recently was looking all over for this posting and couldn't find it. Thanks for bringing it back up.
I am surprised that my one question about what brand driver the M1 uses over 2 years after the last post got this thread revived and there seems to be a lot of interest in this again. I guess everyone here likes a 3 cent on the dollar clone of a $100,000 speaker system. Who wouldn't?
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Old 3rd September 2013, 07:33 AM   #46
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The 12P80ND is in a sealed chamber and well stuffed. this will make the box design a lot easier to build.
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Old 3rd September 2013, 01:24 PM   #47
xrk971 is offline xrk971  United States
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Audio Elite,
Do you happen to know the box volumes, tuning freq, and cross over points. I seemed to have missed that.
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Old 3rd September 2013, 02:02 PM   #48
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According to a website the xover frequencies are 80Hz and 1.8kHz.

No idea about the rest but personally I'd run the 18" about an octave higher.
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Old 3rd September 2013, 06:08 PM   #49
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According to a website the xover frequencies are 80Hz and 1.8kHz.

No idea about the rest but personally I'd run the 18" about an octave higher.
And the 12P80ND no higher than 1.5 to keep out of problematic territory
This speaker is probably tuned to around 22-25hz and a box volume of around 200-250 litres.
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Old 3rd September 2013, 06:45 PM   #50
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If you use the Beyma TD194 90x40 deg horn instead of the TD164 (60x40) you could/should go down to 1.2k driver permitting.

Pretty sure 1.8k was chosen to match dispersion patterns.
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