1/4" 7.5 IPS NAB 6 Minute 250 nWb/m MRL21T204
Product DescriptionThis Magnetic Reference Laboratory calibration tape is used for standardizing azimuth, equalization and determining the "0" level or sensitivity of your deck. This tape is for the NAB equalization standard at 250 nWb/m level which is that of the +3 dBm operating level tapes (see section header for a list.) Recorded at 7.5 IPS. Six minutes long.