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How to Match Levels?

I want to do some testing of digital sources with my Stax Omega phones, but I have no idea how to properly match the levels to within the golden .1db goal. I have heard that a sound meter (a la Radioshack) won't cut it.. why not? If I place the phones properly and place the mic between the phones and play 1 KHZ tone or something, how close will I be getting to properly matched levels. After years of buying gear based on sound and opinions, I honestly want to test some things now, and am surprised at how little info is available...

Any help?

-Adam
akimball

Showing 1 response by garfish

garfish
1,840 posts
 
Is it possible to unplug the wire(s) at the headphones?-- as it is w/ Senn. 580/600s? If so, you might try doing that. If not, find some other way to mute the channels individually. Of course placing the SPL meter will be critical for determining dB output for each side. It seems to me that the RS SPL meter (the analog one) is only readable to about the nearest 1/2 dB though. Does their digital meter read in tenths?

I've never tried to do what you suggest, but the Sennheiser cords do unplug. Do the Stax have some way to adjust level for each side? Good Luck. Craig
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