Tape Machine Callibration...operating levels?!?!

[sk8ingsnowman]

Can anyone explain to me what operating level is and why some tape is +6 +9 and what +6 and +9 means?!?!?

Analog is confusing compared to sample rate bit depth pcm...etc

 

[Son of Mixerman]

http://www.recordingwebsite.com/articles/tapecal.php

SoMm

 

[sk8ingsnowman]

Perfect!!