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Is the Accuton driver that good?

It seems a lot of new speakers are using the Accuton or similar ceramic drivers (and I notice the diamond variant for tweeters). I've heard them (mainly in Kharmas), but not others. Evolution, Salk, Avalon, and like I said Kharma use them.
Do they have any particular coloration or quality that is making them gain popularity? In the Kharmas, it was pace and timing and a natural sound without overhang, but it was different than regular (non-metallic) cones & domes, which, fwiw, are less detailed but maybe more relaxing.
It's like for me with the Kharmas "this sounds great and real and not bright or hard either" but somehow it is not as relaxing as the Aerials or Von Schweikerts or Quad dynamics(or even Apogees) I have lived with). I can't put my finger on it.

I'm not sure if it was just the Kharmas or the ceramics in general, but I wanted to raise the question.
rgs92
shadorne's avatar
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shadorne
7,477 posts
 
The sound of any good driver depends on the skill of the speaker designer

Huh?

So one can simply use cheapest drivers with small diameter voice coils, small magnets and with a long coil in a short gap and it will still sound great depending on the skill of the designer and the quality of the veneer?

Oh Puleeez....you are sounding like a speaker manufacturer!!!!
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drubin
3,274 posts
 
Rtn1 wrote:
Combining a ceramic mid with a Kevlar woofer seems to be a great combination. Add a diamond tweeter, and one is capable of the most extended, pure, and angelic top end.
Are there any commercial speakers out there that offer that driver combination?
audioconnection
1,271 posts
 
Greg
The Accuton drivers when used by a skilled designer can sound very good but they do have some limitations.
- As a dealer we have replaced them for customers but at least they are off the shelf and readily available.
-They have limited pistonic range and require steep filters in the crossovers so can not be time and phase correct.
-As already mentioned the diaphragm has significant ringing with its own sonic signature.
-Need to be careful mixing different materials because of this sonic signature. Best to use the same material 150Hz and above.
Cheers Johnnyr
rsimms
150 posts
 
"Need to be careful mixing different materials because of this sonic signature. Best to use the same material 150Hz and above."

Audioconnection, I don't agree on your last point. My Salks have a RAAL ribbon tweeter and it matches up very well. The sound just gets even clearer and smoother when it transitions to the ribbon at 2k.

Bob
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charles1dad
10,250 posts
 
Shadorne,
I don`t think you read Allchemie`s post carefully. He stipulated a"good" driver(not any driver) and he`s right, a good speaker is the result of the total package, cabinet,crossover design, wire etc. A talented designer given the same parts will produce a better speaker than the less talented designer. Driver choice is important but surely is`nt the whole story by any means.

there are quite varied results with Accuton drivers depending on which designer is doing the speaker building.

Best Regards,
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