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Interesting that Wilson Audio does not buy into supertweeters. 95% of their current speakers don't go above 22.5 in the tweeter. I asked Wilson why no supertweeters, extended response. They told me that they have tested many, they just did not sound right / work out well. What about extended response of sacd, lp? Same issue with Rockport Technologies Loudspeakers. Maybe supersonics are a pie in the sky. Opinions.
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Interesting that they don't believe in a flat frequency response either.
Here's a question (since the topic is on tweeters, I'm not wanting to hijack)
If you have a standard tweeter that will go to say, 18K and a super tweeter that will go to 22K then I understand that the 22K version will be vibrating faster than the other one. (right?)
So, here's my question....
First, I can't hear much above 14K the last time we did a sweep so it seems anything above that wouldn't matter for me.
What I wonder though is.... since the 22K tweeter can dance back/forth quicker than the 18K tweeter, would (could) the 22K tweeter do a BETTER job from say, 10K to and through 18K than the 18K tweeter can do?
Analogy would be perhaps a boxer? If you have a boxer who's only able to throw a maximum of speed bag punches of say, 50 in one minute (I've never done it so I'm making up the numbers) and another boxer who can throw a maximum of speed bag punches of say, 75 punches in a minute.... then logic would tell me that the faster puncher should be able to throw more accurate punches and hit a more precise spot when he is asked to slow down to 50 punches in a minute.
Yay nay?
(and pardon my weird example.... it's simply what came to me when my fingers were flying on the keyboard)
They are not alone. Look at many of the better speakers today: no supertweeter. The current crop of tweeters sound extended and clear - without the common problem of the peak in the top of the treble. Supertweeters may be a dying breed. Eliminating the extra crossover can have added benefits, too.
Happy listening.
Regards,
JerryS
The Sequerra T1 happily played along just added on
Des
So there would be xover effects between those two drivers.
I've listened to a lot of systems with a ribbon added with just a cap on it, takes a lot of adjusting to get right.
IMO&E it is be better to use 'matching' 1st order slopes HP and LP. This can often require that the two 'calculated f3 points' are not the same. So that they are acoustically.
If you have a spare sweet amp, and can build a PLL 1st order on the input of the main amp and the new tweeter amp these should sound far more transparent than any $$$$$$$$ spkr level cap HP and LP coil.
Even if you used a standard MF R and a decent commercial tef or styro.
I only really liked the T1 when there was a stand-subwoofer under each mini.
Note that a post in response is preferred.
Warmest
Timothy Bailey
The Skyptical Mensurer and Audio Scrounger
And gladly would he learn and gladly teach - Chaucer. ;-)!
'Still not saluting.'
Hi, I've owned Wilson 6's and 7's, as well as B&W 801N's and PM1's plus Maggie 3.7's. Although there is vey litle actual music up ther beyond 20Khz, the bandwidth of the extended frequency transducers offer superior (higher) breakup frequencies. This allows for a cleaner and a more harmonically complete upper frequency response. Wilson tweeters are notorious for having breakup modes near or in the audio band of their tweeters.
dave_b
Extension to 33kHz. Remains to be seen if this will be used in models other than the Alexandria XLF. One would imagine, in the longer term that this would be so.
Regards,
Geoff
I certainly don't feel I was missing anything with the Wilsons. The B&W tweeters do illuminate the top end a bit more, which can be thrilling on the right music, say classical for example. If the content isn't there, then the extension is mute. Moving the breakup characteristics farther out from the audible band is a good thing though ala 30Khz or higher.
dave_b
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