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13th October 2010
| #1 |
| Lives for gear  Joined: Aug 2006
Posts: 851
Thread Starter | Atr Calibration
Hi,I try to recalibrate the i/o modules of my atr102 and have some problems... How can I read -5dBm on a tester?Thanks for your help!! |
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13th October 2010
| #2 | |
| Lives for gear  Joined: Aug 2003 Location: Hollywood CA
Posts: 2,625
Verified Member | Quote:
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13th October 2010
| #3 |
| Lives for gear Joined: Aug 2006
Posts: 851
Thread Starter |
Hi Dave,yes I have a AC voltmeter but don't know what I have to read on it to know if I am at -5dBm. I just tried to calibrate the input at 1.23 V AC (for the +4dB) with the 1khz tone (coming from the soundcard , generator inside the sequencer 1Khz sine at 0dB on the master) but I think I made a mistake because when I put music then the Vu on the atr show me a low level. Thanks a bunch!  |
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14th October 2010
| #4 |
| Lives for gear Joined: Aug 2006
Posts: 851
Thread Starter |
Up!
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16th October 2010
| #5 |
| Gear maniac  Joined: Mar 2009 Location: Los Angeles
Posts: 164
| -5dBM = 0.616014 AC Vp (peak voltage into 600 ohm load) -5dBM= 0.435519 AC RMS (RMS voltage into 600 ohm load) Is the meter you are using read "true rms"?
__________________ Cheers! Bruce Maddocks Chief Engineer Cups 'n Strings LLC The Orbit Room Mastering www.cupsnstrings.com |
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