Private company
Magnetic Reference Laboratory
Logo: Magnetic Reference Labratory, Public domain, via Wikimedia Commons3
Calibration tapes for professional analog audio tape machines
Magnetic Reference Laboratory (MRL) is an American company founded in 1972. They produce and sell calibration tapes for analog audio magnetic tape reproducers in the open reel format.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
1972Founded1
See how the biggest companies compare on our leaderboards
Magnetic Reference Laboratory (MRL) is an American company founded in 1972. They produce and sell calibration tapes for analog audio magnetic tape reproducers in the open reel format.2
Timeline
- 1972Founded Founded1
Links
- WikipediaMagnetic Reference Laboratory
- WikidataQ17078241
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1
- 2
- 3