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Multi-Way Conventional loudspeakers with crossovers

Treble, how to be good?
Treble, how to be good?
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Old 19th January 2020, 04:22 PM   #61
hifijim is offline hifijim  United States
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Join Date: Sep 2019
Location: St Louis, MO
In my current project, I am going to use the SB26CDC and SB17CAC-35 with a Hypex FA253. As a starting point, crossovers will be 180 Hz and 2000 Hz. I have not finalized the woofer design yet, but it will probably be a 12 inch driver in a 75 to 90 liter box.

After I am sure I like a Hypex/active/DSP system, I will move on to better drivers... The new SB Textreme driver and a Beryllium tweeter, or perhaps an AMT tweeter.

So I am carefully following your progress, YSDR. I am very interested in whether or not you can solve your problem by changing tweeters.... or if it is something buried in the Hypex/active/DSP part of your system...
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Old 19th January 2020, 05:53 PM   #62
YSDR is offline YSDR  Hungary
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Join Date: Nov 2013
Before that, I used passive speakers only, commercials and my own designs and never been fully satisfied with the treble range. There was an important common feature to all my speakers so far, the soft dome tweeter of each one. Different brands but 1" soft dome was the type for all.
All-in-all, this D3004/6600 is the best of them what I had.

The Hypex FA was a good step-up for me, no question, and I used reputable amplifiers, though not too expensive / exotic ones.

Checking Zaph's measurements, thanks!
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Old 21st January 2020, 02:51 PM   #63
YSDR is offline YSDR  Hungary
diyAudio Member
Join Date: Nov 2013
I am considering a replacement tweeter in the place of the D3004/6600 and mating to the 6.5" midrange around 2 kHz, but there are more options in my mind.

1. SB26ADC + Augerpro's 5" waveguide for better directivity match to the mid.

2. SB TW29BN-8 as is for easy replacement without modifying anything on the baffle.

3. Eighteen Sound ND1090 + XT120 horn for constant directivity.

4. Viawave GRT-145W-8 because it looks as an interesting option.

Any thoughts are welcome.

Last edited by YSDR; 21st January 2020 at 03:01 PM.
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Old Today, 07:43 AM   #64
Topping is offline Topping  United States
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Join Date: Feb 2018
Originally Posted by hifijim View Post
I changed out my CD player for a new one with a separate high performance DAC... Wow, I was shocked by the difference. The problem disappeared and my speakers sounded better than ever. Whatever was going bad in that old CD player made my speakers sound like they were having failure... !
Yup cd players made in the 90's, all full of electrolytic caps reaching there 20 year life span. Lol
going bad
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