Beyma TPL150 now with horn - Page 2

studiotech · 28th March 2009, 04:50 AM

TPL-150 build thread without the horn:

Beyma tpl-150 + Lambda TD12M's

Greg

StigErik · 30th March 2009, 07:24 PM

I have both, but havent listened to the horn loaded TPL yet....

Here's a measurement of both without baffle. The upper curve is, obviously, the TPL150H. I would expect a little more LF extension with the TPL150H mounted in a baffle. The TPL150 sure extends a lot more in a 30-40 cm wide baffle. I'm will try to run the TPL150H as low as 800 Hz...

audiodesign · 20th August 2010, 07:39 AM

here my first test with this driver

Hi-End and Hi-Eff loudspeakers system 2

Marveloudio · 21st August 2010, 05:15 PM

I am very sceptical that these AMTweeters can handle a few watts of pink noise (third-octave bandwidth) around the lower cutoff freq without introducing easily to detect massive amounts of distortion artefacts , aka intermodulation distortion . Reason is the non-homogeneous driven surface and the nonlinear mechanical spring properties of the conductor/film-carrier combination .

Someone out there might have the balls to check that out

sorry for the bad news ...

audiodesign · 9th October 2010, 04:57 PM

Here the new filter with constant impedance

Hi-End and Hi-Eff loudspeakers system 2

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28th March 2009, 04:50 AM	#11
studiotech diyAudio Member Join Date: Jun 2004 Location: Orlando, FLA	TPL-150 build thread without the horn: Beyma tpl-150 + Lambda TD12M's Greg

20th August 2010, 07:39 AM	#13
audiodesign diyAudio Member Join Date: Sep 2005	here my first test with this driver Hi-End and Hi-Eff loudspeakers system 2

21st August 2010, 05:15 PM	#14
Marveloudio diyAudio Member Join Date: Jun 2004 Location: X	I am very sceptical that these AMTweeters can handle a few watts of pink noise (third-octave bandwidth) around the lower cutoff freq without introducing easily to detect massive amounts of distortion artefacts , aka intermodulation distortion . Reason is the non-homogeneous driven surface and the nonlinear mechanical spring properties of the conductor/film-carrier combination . Someone out there might have the balls to check that out sorry for the bad news ...

9th October 2010, 04:57 PM	#15
audiodesign diyAudio Member Join Date: Sep 2005	Here the new filter with constant impedance Hi-End and Hi-Eff loudspeakers system 2