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Multi-Way Conventional loudspeakers with crossovers

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Old 27th September 2012, 07:55 AM   #11
xjr100 is offline xjr100  Europe
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Join Date: Sep 2012
sometimesuk, take a look on this manual:
http://www.ijdata.com/justMLS%20manual.pdf

It is commercial software, but gives basics on how to measure drivers/speakers.

Calibtated microphone is very important - this tool is for sure must be reliable, as in process of designing you will have lot of listening tests and analysis comparing what you hear and what are the results.

I have 2 ECM8000, both calibrated, but calibration files differs in some freqs upto 3db! It is important, if you really want to get the result.

If it is for "time spending" then go for simple solution - SB Live24 USB from eBay for 10£ and WM61 capsule for 2£. WM61 is better to buy from reliable source, not from eBay, as there many fakes. Here is sample drawing how it could be: http://diy-audio.narod.ru/audio/mic/meas-mic.PNG
At least it will be tool for beginning, you can start learning how it works, and for fine-tuning maybe you will buy good calibrated microphone + soundcard for 500-700£
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Old 27th September 2012, 11:32 AM   #12
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since you live in europe, i can recommend the SOFSCI soundweeper kit.
it comes with a modified usb soundcard, cables and a calibrated mic.
quite reasonable as well
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Old 27th September 2012, 12:25 PM   #13
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that Sofsci looks even better. Everything I need, and all the calibration etc is already done.

Think, I'll get that instead, rather than the hassel of ordering different bits and pieces.
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Old 27th September 2012, 03:00 PM   #14
xjr100 is offline xjr100  Europe
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Quote:
Originally Posted by bjarnetv View Post
SOFSCI soundweeper kit.
Good kit!
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Old 27th September 2012, 10:02 PM   #15
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Here's a link to the REW software/forum mentioned on the SOFSCI page, there's a lot of advice there on setting things up.
REW Forum at Home Theater Forum and Systems - HomeTheaterShack.com

Myself, I use the Tascam USB mic preamp:
Tascam US-122MKII - USB 2.0 Computer Audio Interface US-122MKII

and a calibrated EMM-6 mic from Cross Spectrum:
Cross·Spectrum Labs - Sound | Vibration | Engineering

The Tascam is flat enough not to really need calibration, and the EMM-6 beats out the Behringer by a bit. Not sure what import duties might cost you.

I've also had good luck with the simpler HolmImpulse, but the REW software has more features.
HOLM Acoustics
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