Question about Morel tweeters

Audist · 1st February 2007, 09:54 PM

Hello,

I design my loudspeakers with Morel Supreme 110 tweeter.
I use with Skaaning 18H52 midwoofer.

I read that the mdt33 is better from the sup.110, somebody try it?

My question is if I can move to MDT 33 tweeter whitout tune the crossover that I have? I buy very expensive resistors and cap in this planet for the supreme and I don't want buy a new one.
Morel indicate efficiency of 91.5 dB for the 110 and 92.5 for the mdt33. but on the curved they exhibit is very close to each other...

Somebody try it? Is clever for change the supreme 110 to mdt33?
(I cross around 2200Hz and use with first order)

Thank you very much.

Audist · 3rd February 2007, 08:10 PM

Please friends...

I can use with MDT33 without change the crossover?

joe carrow · 3rd February 2007, 09:50 PM

Do you have an impedance compensation circuit? The peak impedance of the MDT33 appears to be slightly higher in frequency, and a couple of ohms lower than that of the Supreme.

Neither tweeter, in my opinion, seems to be well suited to a first order crossover at 2.2khz, due to the 800 hz resonance frequency. It might sound OK at low listening volumes, but it will start to distort if they are made to play loudly.

You will get far better sound if you use cheaper resistors, capacitors, and inductors (air core, not iron), and a properly designed crossover.

1st February 2007, 09:54 PM	#1
Audist diyAudio Member Join Date: Dec 2004 Location: N/A	Question about Morel tweeters Hello, I design my loudspeakers with Morel Supreme 110 tweeter. I use with Skaaning 18H52 midwoofer. I read that the mdt33 is better from the sup.110, somebody try it? My question is if I can move to MDT 33 tweeter whitout tune the crossover that I have? I buy very expensive resistors and cap in this planet for the supreme and I don't want buy a new one. Morel indicate efficiency of 91.5 dB for the 110 and 92.5 for the mdt33. but on the curved they exhibit is very close to each other... Somebody try it? Is clever for change the supreme 110 to mdt33? (I cross around 2200Hz and use with first order) Thank you very much.

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3rd February 2007, 08:10 PM	#2
Audist diyAudio Member Join Date: Dec 2004 Location: N/A	Please friends... I can use with MDT33 without change the crossover?

3rd February 2007, 09:50 PM	#3
joe carrow diyAudio Member Join Date: May 2004 Location: San Francisco	Do you have an impedance compensation circuit? The peak impedance of the MDT33 appears to be slightly higher in frequency, and a couple of ohms lower than that of the Supreme. Neither tweeter, in my opinion, seems to be well suited to a first order crossover at 2.2khz, due to the 800 hz resonance frequency. It might sound OK at low listening volumes, but it will start to distort if they are made to play loudly. You will get far better sound if you use cheaper resistors, capacitors, and inductors (air core, not iron), and a properly designed crossover.

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