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Old 30th November 2006, 12:16 AM   #1
Tenson is offline Tenson  United Kingdom
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Default Contacting Audio Technology?

Does anyone have an email address for Audio Technology? I am thinking about one of their flex drivers and wanted to talk over a few things but I can't see an email address. I don't really want to do it on the phone as I like to think about things like this pretty carefully before opening my big gob!

Also, I'd welcome any comments on the midrange performance from these drivers

Cheers,
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Old 30th November 2006, 08:21 AM   #2
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mail@audiotechnology.dk

http://www.audiotechnology.dk/iz.asp?id=4|a|130|||
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Old 30th November 2006, 04:03 PM   #3
Tenson is offline Tenson  United Kingdom
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Thanks, how did you get to that part of the website Am I just being dumb?

Oh I see, under profile... duh!
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Old 30th November 2006, 09:27 PM   #4
Taco is offline Taco  Netherlands
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For midrange duties you are better of with the c-quenze series. You get a bit more extension. Also a good thing they are less expensive.

Per Skaaning is very nice guy to deal with, he always anwsers, but he is a very busy man. So be patient if he does not answer directly. The big companies have also discovered AT, so lead team is longer than a year ago.

I can recommend 15H520613SDK (Kapton voice coil), if you need a good midrange. For mixed applications (midbass) the stock version with alu former (15H520613SD) is a better choice. You get better bas control. If you do fancy low order x-overs you get more/ smoother extension with the non underhung motor (the 15H is default underhung).


Here a picture of a 15H:
Click the image to open in full size.
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Old 30th November 2006, 09:39 PM   #5
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Hi Taco,

I'm also considering the 15 cm C-Quenze for midrange, but I have a hard time deciding which version would be best. Could you tell me how is influencing the sound the size of the magnet? Does a larger magnet necessarily mean a better sound?

Thanks!
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Old 1st December 2006, 12:56 AM   #6
Tenson is offline Tenson  United Kingdom
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Hi Taco thanks for the pic.

I am looking at the Flex units because I need to customise some of the parameters.

Since you seem to know a thing or two, what is the advantage in altering the magnetic gap? I would think a smaller gap is always better because it concentrates a stronger field on to the coil, no?

And what about the coil height? Would I want to make this as short as I can without limiting xmax too much for the application? The idea being that a shorter coil has lower distortion.

And what do you think of the sound of the driver you have?

I would probably go for either an 8" or a 10" as I need it to work down to 250Hz and give pretty decent SPL. I only need it to extend to about 2KHz - 3KHz as I plan a 1KHz - 1.5KHz Xover.
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Old 3rd December 2006, 10:06 AM   #7
Taco is offline Taco  Netherlands
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Quote:
Originally posted by oceanic30
Hi Taco,

I'm also considering the 15 cm C-Quenze for midrange, but I have a hard time deciding which version would be best. Could you tell me how is influencing the sound the size of the magnet? Does a larger magnet necessarily mean a better sound?

Thanks!
The 15H sounds more "direct", transients are "sharper" (wow it's hard to describe sound). The smaller magnets on a 150mm C-quenze sound more relaxed. The presentation more comparable with the stock 18H (overhung motor). It's a matter of taste, do you like a sharper transients or more "air"/ smoother touch.


Quote:
Originally posted by Tenson
Hi Taco thanks for the pic.

I am looking at the Flex units because I need to customise some of the parameters.

Since you seem to know a thing or two, what is the advantage in altering the magnetic gap? I would think a smaller gap is always better because it concentrates a stronger field on to the coil, no?

And what about the coil height? Would I want to make this as short as I can without limiting xmax too much for the application? The idea being that a shorter coil has lower distortion.

And what do you think of the sound of the driver you have?

I would probably go for either an 8" or a 10" as I need it to work down to 250Hz and give pretty decent SPL. I only need it to extend to about 2KHz - 3KHz as I plan a 1KHz - 1.5KHz Xover.
Per Skaaning is far more knowledgable than I am. So contact him . For most applications Per can alter the motor on the C-quenze series. With short voice-coils you get more sensitivity (less moving mass). The distortion of every motor Per uses is very low, I do not think the difference is very large using different VC's.

I prefer the sound of Audiotechnology above many other drivers I have tried. (so I am biased) The sound is neutral, dynamic and free of compression.
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Old 5th December 2006, 12:30 PM   #8
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Quote:
And what about the coil height? Would I want to make this as short as I can without limiting xmax too much for the application? The idea being that a shorter coil has lower distortion.
The lowest distortion can be had from underhung voice-coils, which by themselves can be had from Audio-Technology.

Regards

Charles
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Old 5th December 2006, 03:38 PM   #9
gcm908 is offline gcm908  United States
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I was thinking of using a set of boxes I built a while ago for a sub sat system using a Audio technology 15cm midwoofer and a yet to be decided tweeter...

any and all advice/feedback would be much apreciated...

I have a 12" servo sub ready for duty.

I was leaning toward the seas 27tdfc just because I have a two here (and I love the sound).

The boxes I have are 10.8 liters.

I assume I should go sealed... but which midwoofer?

and just as important any crossover sugestions?

What is the scope of your AT mid projects?

Thanks, GCM
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