Nothing suffices enough as over exaggeration!
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Why aren't D'Appolito arrays more common?
- Thread starter radio3
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Nothing suffices enough as over exaggeration!
IIRC some of those tweeters are used as midranges and are supposed to go down to something like 300hz. You can read the thread.
https://www.audiosciencereview.com/forum/index.php?threads/tekton.14783/
I read and continued laughing when I noticed this comment:
There’s no known way to make multiple tweeters work correctly in domestic invironments other than CBT and Bessel arrays.
hahaha, I didn't realize how funny that graph was tell you mentioned it. DEFINITLY a graph made by marketing dept.
BrokenEnglishGuy
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What's this?
a 3-way multi tweeter?
a 3-way multi tweeter?
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They actually seem to measure fairly well. Not sure if that translates to the giant towers in the picture, though.
I'll get back to you, i'm in the process if acquiring a calibrated mic
Very cool, thanks!
The high frequency polar response is good, pointing out to a Bessel alignment used for tweeters. Unfortunately, and expectedly, the large distance created between the woofers due to the use of multiple tweeters makes the d’Appolito design fail. There are lots of dips which are up to 20dB at 600Hz, 1200Hz, 3000Hz at 30 & 15 degrees. In other words, and as expected from visual observation, the speaker’s vertical polar diagram is riddled with lopes even if it’s difficult to visualise in a waterfall format. This was clearly stated in the review you linked.
This is not a good measuring speaker.
They have, it’s excellent and it’s measured by @amirm
https://www.audiosciencereview.com/...-70j-1-review-constant-beam-transducer.21469/
Sorry i missed this, i think you already got an answer. I could also mention that XTZ had help from a US-based engineering firm with the Cinema-series of speakers (using the MTM-design) and the reason why some of them might look familiar, is because that same engineering firm was also a partner of Kreisel around the same time. There were no direct connection between M&K and XTZ, but i guess you could say some of the speakers are not entirely dissimilar..
UMIK-1 has been ordered so hopefully i can get some measurements up this week
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Soundandvision reviewed the M6 few years ago
S&A (purple + green lines = M6) https://www.soundandvision.com/content/xtz-cinema-m6-speaker-system-review
Audioholics https://www.audioholics.com/surround-sound-reviews/xtz-cinema-series-m6-and-s5-speaker-system-review
XTZ is not that well known outside of Sweden (or Europe) and their foray into NA did not go as planned few years ago.
They sell direct to customers and have always had pride on high performance for low prices, they're not known for snake oil in the communitiy, rather the exact opposite. I've been a customer since 2008 or so when they released their 99.36 towers with fountek ribbon tweeters and seas excel mids/bass
S&A (purple + green lines = M6) https://www.soundandvision.com/content/xtz-cinema-m6-speaker-system-review
Audioholics https://www.audioholics.com/surround-sound-reviews/xtz-cinema-series-m6-and-s5-speaker-system-review
XTZ is not that well known outside of Sweden (or Europe) and their foray into NA did not go as planned few years ago.
They sell direct to customers and have always had pride on high performance for low prices, they're not known for snake oil in the communitiy, rather the exact opposite. I've been a customer since 2008 or so when they released their 99.36 towers with fountek ribbon tweeters and seas excel mids/bass
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I was thinking more like a CBT tweeter array on top of a conventional box with woofer(s).
I see no similarities between the two design.
The M&K design looks to be using d’Appolito design on the tweeters (outer tweeters working as mids) or maybe a simplified Bessel. There should be no loping issues on M&K speakers like there are with XTZ.
Why do you want to separate two transducer sets with wildly different polar responses?
Those charts hides the issues mentioned here.Soundandvision reviewed the M6 few years ago
S&A (purple + green lines = M6) https://www.soundandvision.com/content/xtz-cinema-m6-speaker-system-review
Audioholics https://www.audioholics.com/surround-sound-reviews/xtz-cinema-series-m6-and-s5-speaker-system-review
View attachment 154344
XTZ is not that well known outside of Sweden (or Europe) and their foray into NA did not go as planned few years ago.
They sell direct to customers and have always had pride on high performance for low prices, they're not known for snake oil in the communitiy, rather the exact opposite. I've been a customer since 2008 or so when they released their 99.36 towers with fountek ribbon tweeters and seas excel mids/bass
Will i be able to see those type of issues when i take measurements at home with REW? Anything i should think of when doing sweeps? Just a curious amateur as i've mentioned..
Read @amirm ’s speaker reviews and try to replicate them as much as you can with the tools you have. You can always create a thread asking for help on specific measurement type.
Don’t bother measuring anything below 250Hz as anything below is affected by the room modes.
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