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  Topic Review (Newest First)
01-03-17 03:52 PM
calderes
Re: Galaxy CM-140 Calibration File Info Thread

I know this thread is super old but in January of 2017 it is still the first result when googling "galaxy cm-140 calibration file" and it might be worth pointing out that although in 2007 the .cal file for the galaxy CM-140 that was provided only went up to 200hz, the file that is now available goes all the way to 20khz (and as before, down to 5hz).

Love this site and thanks for the hard work (the downloads page referenced where you can find the mic .cal files was last updated in February 2015).
06-22-07 12:26 PM
brucek
Re: Galaxy CM-140 Calibration File Info Thread

Quote:
So, is the C-Weight curve basically there for those without a calibration file as most calibration files go up to 20K?
Whatever the lower and upper limits of the calibration file is, determines the point that the C-Weight curve will take over (if C-Weight is checked in REW)....

brucek
06-22-07 09:38 AM
JimP
Re: Galaxy CM-140 Calibration File Info Thread

So, is the C-Weight curve basically there for those without a calibration file as most calibration files go up to 20K?
06-22-07 09:25 AM
brucek
Re: Galaxy CM-140 Calibration File Info Thread

REW reverts to the standard C-weight curve outside the limits of the calibration file....

If the cal file stops at 200 Hz, then C-Weight curve takes over after that (same as for the bottom end limit).

brucek
06-22-07 07:04 AM
JimP
Re: Galaxy CM-140 Calibration File Info Thread

Quote:
brucek wrote: View Post
No chance. We don't have the capability or equipment to do so. REW automatically assumes zero past 200Hz. I wouldn't trust it beyond 10KHz......

brucek

I've been reading like a madman trying to get up to speed on testing microphones and came across your post.

Please correct me if I'm wrong.

Are you saying that above 200hz, REW isn't going to factor in adjustments from the microphone calibration file?
04-02-07 08:52 PM
Sonnie
Re: Galaxy CM-140 Calibration File Info Thread

No, you need a soundcard.cal file to open on the Soundcard tab. You will only open the GALAXY140.cal on the Mic/Meter tab.

You may want to read up on the REW Help files... it will explain how to make you soundcard calibration file. Then of course there are several threads pertaining to the same if you wanna scan down through them.
04-02-07 08:47 PM
koiman
Re: Galaxy CM-140 Calibration File Info Thread

Sonnie,
I have another question.. do you open the cal. file for both the Soundcard Screen and the Mic/Meter screens.
Thanks,
Leon
04-02-07 08:39 PM
koiman
Re: Galaxy CM-140 Calibration File Info Thread

Sonnie,
Thanks this is all new to me.
Leon
04-02-07 08:31 PM
Sonnie
Re: Galaxy CM-140 Calibration File Info Thread

Downloading and opening are two different tasks. Apparently you are not trying to download it, but rather you are trying to open it from the Downloads page. You need to download it first (save it) and then load it in REW. No reason to open the file unless you just wanna see the values... in that case, open Notepad and then open the file.
04-02-07 08:21 PM
koiman
Re: Galaxy CM-140 Calibration File Info Thread

Sonnie,
I tried to down load the GALAXY 140 Cal. file to desktop and I get (WINDOWS CANNOT OPEN THIIS FILE) What do I do.
Thanks,
Leon
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