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Multi-Way Conventional loudspeakers with crossovers

Visaton tweeters - comparisons?
Visaton tweeters - comparisons?
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Old 9th February 2018, 06:36 AM   #41
Mrcloc is offline Mrcloc  South Africa
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Quote:
Originally Posted by Mario Pankov View Post
If you do it, you`d need to rework your crossover (I saw you liked Shaun`s idea so decided to put my 2c). You`ll only gain from this operation.
I'm pretty much final on my design now. It's the 4th iteration, and it's pretty spectacular. It's my 3rd crossover I implemented. I have attached what it started as, and then what it ended as. I went with MTM, and it's excellent.

First image is how it started, second is how it ended.
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Old 9th February 2018, 06:44 AM   #42
Mrcloc is offline Mrcloc  South Africa
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To add, the tweeter resonance is 1700 Hz, so I can't really go much lower.
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Old 9th February 2018, 07:13 AM   #43
Shaun is offline Shaun  South Africa
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Visaton tweeters - comparisons?
Quote:
Originally Posted by Mario Pankov View Post
If you do it, you`d need to rework your crossover (I saw you liked Shaun`s idea so decided to put my 2c). You`ll only gain from this operation.
Yes. The waveguide increases the efficiency of the tweeter at the low end, so for the equivalent response you would be injecting less power in that region. So: lower operating power and lower distortion (due to lower excursion), comparatively.
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Old 9th February 2018, 07:18 AM   #44
Shaun is offline Shaun  South Africa
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Visaton tweeters - comparisons?
Mrcloc, are you able to do acoustic measurements? I am missing this component from your project info. If not, there are a few guys out your way who may be able to help.
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Old 9th February 2018, 07:49 AM   #45
Mrcloc is offline Mrcloc  South Africa
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Originally Posted by Shaun View Post
Mrcloc, are you able to do acoustic measurements? I am missing this component from your project info. If not, there are a few guys out your way who may be able to help.
Interesting about the waveguide and lower power for the lower frequencies - it makes perfect sense. I've never really wanted a waveguide though. It's an area I haven't included in this project.

I haven't done proper measurements yet. I have asked a few questions here and there, done some research and reading, and will add that to my current knowledge so that I can do the proper measurements.

On listening tests, there is no combing, and no drop in any frequency that I can notice, notably around the crossover point. I can't detect the change over from mid-basses to tweeter. This is sweeping from 25 Hz to about 3 kHz at 1 Hz intervals, and then 1/10 octave intervals from there to about 18 kHz.

Listening tests can only reveal obvious problem areas (if any exist), but I won't notice a dB difference between, say, 100 Hz and 500 Hz, so the proper measurements will be done at some point in the future.

In non-technical speak, I have auditioned very many speakers. Probably about 100 different models, from bookshelfs to floor standers, Boston Acoustics, Klipsche, Celestion, Kef, PSB, Infinity, B&W, Polk Audio, Monitor Audio, Magnat, JVC, JBL, Q Acoustics, Bang & Olufsen. I like the B&W 802D3 the most so far. In the more affordable range, I liked Monitor Audio Bronze 6 - and this was in a narrowed-down shootout between B&W CM10, B&W 683 S2, and the MA Bronze 6. I found that the MA had the best bass definition. My goal was to get something in the region of B&W 683, and what I have ended up with, to me, sounds better than the MA Bronze 6, and the CM10's (I didn't quite like the 683's as much as I thought I would).
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