![Jay McKnight: Behind the Gear with Magnetic Reference Laboratory | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production. Jay McKnight: Behind the Gear with Magnetic Reference Laboratory | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.](https://tapeop.com/_m/photologue/photos/cache/MRL%20Tape_display_hires.jpg)
Jay McKnight: Behind the Gear with Magnetic Reference Laboratory | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.
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MRL #23J137 1/4" 15 IPS NAB 200 nwb Fast Frequency Calibration Reel Tape-TESTED – St. John's Institute (Hua Ming)
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Magnetic Reference Lab 331-043-382-100 Four Frequency Calibration Tape Mrl 1/2" 7.5 In/s | Full Compass Systems
![Jay McKnight: Behind the Gear with Magnetic Reference Laboratory | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production. Jay McKnight: Behind the Gear with Magnetic Reference Laboratory | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.](https://tapeop.com/_m/photologue/photos/cache/MRL%20Tape_display_horizontal.jpg)
Jay McKnight: Behind the Gear with Magnetic Reference Laboratory | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.
Open Reel To Reel - Magnetic Reference Labs Calibration Tape Brand NEW Calibration Tape recorded by MRL, which contain all the tones you need to set up reproduce equalization ("EQ") head alignment
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Magnetic Reference Lab 31J429 1/2" Multifrequency Calibration Alignement Tape For Open Reel Applications (15"/s, 355 NWb/M) | Full Compass Systems
![Jay McKnight: Behind the Gear with Magnetic Reference Laboratory | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production. Jay McKnight: Behind the Gear with Magnetic Reference Laboratory | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.](https://tapeop.com/_m/photologue/photos/cache/*Jay%20headshot-3_display_hires.jpg)
Jay McKnight: Behind the Gear with Magnetic Reference Laboratory | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.
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