This 1/4" MRL
Calibration Tape has two tones 1 kHz, and 10kHz each recorded for 84
seconds one time. NAB equalization. 355 nWb/m operating level. This is as basic a
calibration tape that you will get but covers the most common
adjustments you need, operating level and tape head azimuth. Made in
USA. This tape ships from California.
All MRL tapes are made to order and usually ship in 2-3 business days after you place the order. They ship directly to you from MRL Lab in California. Please allow for shipping time.