Tape EQ Calculator – Magnetic Reference Laboratory

Magnetic Reference Laboratory makes and sells Calibration Tapes. Founded in 1972, MRL has been in continuous operation for over 50 years.

Magnetic Tape Equalization Calculator

Conversion Tables for Different Speeds and Equalizations
Normalized to 1000 Hz Recorded Fluxivity

Calibration Tape Speed & Equalization:

Desired Playback Speed & Equalization:

Select calibration tape and playback settings to generate conversion table.

MRL has been a Sustaining Member of the Audio Engineering Society since 1976