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Old 8th January 2013, 06:32 PM   #1
Siberia is offline Siberia  Lithuania
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Default macbook and mic for measurement

Hello,

I'm about to acquire my first mic and speaker measurement setup. Here's what's on my list:

A DIY mic based on Panasonic WM-61A cartridge (what's the best source in EU with specific calibration files?)

A mic preamp based on this PCB Mad About Sound | Microphone Preamplifier PCB v1.1 (I just realised that store is not trading anymore, so all other suggestions are welcome)

I already own a Macbook pro. Alas, it has only one headphone ouput, that could be used as input if switched via system preferences. My question would that be enough or do I need an additional sound card?

I'd love to know more mac os x software options for speaker measurements are welcome too.

Thanks!
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Old 8th January 2013, 07:03 PM   #2
gk7 is offline gk7
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Quote:
Originally Posted by Siberia View Post
... it has only one headphone ouput, that could be used as input if switched ...
I would opt for a soundcard then. Most measurement software puts out a
test signal and measures in a defined time window so you will need input
and output. A soundcard with microphone inputs already built in probably
would be suited best.

Maybe its best to have a look at the software documentation first to see
what the requirements are. What do you intend to use ?
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Old 8th January 2013, 07:06 PM   #3
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Lots of external semi-Pro USB I/O boxes. They will all have mic pre built in. Fuzzmeasure ($$) or REW (free) for measuring

dave
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Old 8th January 2013, 07:42 PM   #4
Siberia is offline Siberia  Lithuania
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Alright, got it. I was thinking of Arta (via Crossover) use, as mostly recommended.
Do you think ECM8000 mic with this Specifications | Focusrite would be an overspecified option for a hobyist like me?
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Old 8th January 2013, 08:06 PM   #5
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Quote:
Originally Posted by Siberia View Post
Alright, got it. I was thinking of Arta (via Crossover) use, as mostly recommended.
I haven't played much with Crossover, it does give more sw flexibility. There is also Sun's Virtual Box, VMWare & Parallels. You still have to deal with the typical 3 cliks when one would do WIndoz interface.

Quote:
Do you think ECM8000 mic with this Specifications | Focusrite would be an overspecified option for a hobyist like me?
ECM8000 is the cheap entry levelmeasure mic. It needs to be calibrated to be useful. The Focusrite is exactly the kind of I/O box i was thinking of. I have 2 Edirols/

dave
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Old 8th January 2013, 08:24 PM   #6
Siberia is offline Siberia  Lithuania
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Thank you, Dave! I do use Crossover and it works fine, although not without some minor glitches for ex. while working on PSUD2. ECM8000 (uncalibrated) + Focusrite would be around 260$. It's not very cheap on my planet. Still doable.
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Old 13th January 2013, 02:41 PM   #7
Siberia is offline Siberia  Lithuania
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Sorry, one last decision making quesition. Am I doing better with this mic and pre
iSEMcon GmbH together with a borrowed mac with two default/input output jacks?
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