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Old 23rd April 2009, 07:04 PM   #1
stuman is offline stuman  United Kingdom
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Default beryllium ScanSpeak and other new goodies

http://www.scan-speak.dk/datasheet/pdf/d3004_664000.pdf

just spotted on the ScanSpeak website, looks very nice indeed.

what you guys think the price will be? £500??

also new ally cone 6 1/2 incher

and phase plugged mini tweeters.

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Old 23rd April 2009, 07:25 PM   #2
nyatt is offline nyatt  United States
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I'm still trying to figure out the "Driver highlights". 1" soft dome AND Beryllium diaphragm. hmmmmmmm.
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Old 24th April 2009, 01:01 AM   #3
DcibeL is offline DcibeL  Canada
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The 6.5" Aluminum-ator looks like it has an intense cone breakup, I wish the graph was higher resolution though.
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Old 24th April 2009, 01:06 AM   #4
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Quote:
Originally posted by nyatt
I'm still trying to figure out the "Driver highlights". 1" soft dome AND Beryllium diaphragm. hmmmmmmm.
A textile pattern has been printed on the diaphragm for better resonance control.
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Old 24th April 2009, 04:14 AM   #5
ScottG is offline ScottG  United States
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Quote:
Originally posted by 454Casull

A textile pattern has been printed on the diaphragm for better resonance control.

What?


No, no.. the "i inch soft dome" is the "ring" surround portion - i.e. the part of the driver that produces a greater percentage of sound at lower freq.s (..just like other ring radiators they produce).

How they can call it a "dome" though is anyone's guess.

the 3/4 inch center *dome* is of course Be. I'm sure there is some textile edge damping that joins the Be portion to the "ring" portion.
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Old 24th April 2009, 02:21 PM   #6
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Isn't the "ring" part in this tweeter mostly just a surround? Being that is has +-1.6mm max mech xmax (3.2mm one way!) It looks like just a big surround that would also help dampen the metal dome.
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Old 24th April 2009, 03:17 PM   #7
DcibeL is offline DcibeL  Canada
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Quote:
Originally posted by JoshuaTechnomag
+-1.6mm max mech xmax
You've lost me. Xmech and Xmax are two very different things.

Driving a tweeter to Xmech will surely damage it.

Xmax for this tweeter is +/- 0.2mm
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Old 24th April 2009, 08:01 PM   #8
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Originally posted by DcibeL

You've lost me. Xmech and Xmax are two very different things.

Driving a tweeter to Xmech will surely damage it.

Xmax for this tweeter is +/- 0.2mm
Oh yes, I did know that. I was just surprised how far it is physically capable of moving, even if it only moves a very small fraction of that in actual use. Then again I never really noticed other tweeter's listed Xmech before.
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Old 24th April 2009, 09:57 PM   #9
DcibeL is offline DcibeL  Canada
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Quote:
Originally posted by JoshuaTechnomage
Then again I never really noticed other tweeter's listed Xmech before.
Probably because it's not of much use.
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