![Multifrequency Calibration Tape, ¼″, 15 ips (38.1 cm/s), 250 nWb/m, IEC 1 (CCIR), 12 min., Item no. 76404 Multifrequency Calibration Tape, ¼″, 15 ips (38.1 cm/s), 250 nWb/m, IEC 1 (CCIR), 12 min., Item no. 76404](https://www.test-tape.com/wp-content/uploads/2020/02/76404_800x.jpg)
Multifrequency Calibration Tape, ¼″, 15 ips (38.1 cm/s), 250 nWb/m, IEC 1 (CCIR), 12 min., Item no. 76404
![Magnetic Reference Lab 21J105 1/4" Multifrequency Calibration Alignment Tape For Open Reel Applications (15"/s, 200 NWb/M) | Full Compass Systems Magnetic Reference Lab 21J105 1/4" Multifrequency Calibration Alignment Tape For Open Reel Applications (15"/s, 200 NWb/M) | Full Compass Systems](https://www.fullcompass.com/common/products/lgr/412817.jpg)
Magnetic Reference Lab 21J105 1/4" Multifrequency Calibration Alignment Tape For Open Reel Applications (15"/s, 200 NWb/M) | Full Compass Systems
![Audio Cassette Speed Calibration Test Tape - Free Shipping Worldwide - Test Tapes - Audio Cassettes - Duplication.ca Audio Cassette Speed Calibration Test Tape - Free Shipping Worldwide - Test Tapes - Audio Cassettes - Duplication.ca](https://www.duplication.ca/images/D/testtape-speed_800.jpg)
Audio Cassette Speed Calibration Test Tape - Free Shipping Worldwide - Test Tapes - Audio Cassettes - Duplication.ca
![Speed Calibration Test Tape Speed calibration test tape for cassette deck or walkman or boombox - 3000 Hz - FixYourAudio Speed Calibration Test Tape Speed calibration test tape for cassette deck or walkman or boombox - 3000 Hz - FixYourAudio](https://fixyouraudio.com/wp-content/uploads/2018/02/speed_calibration.jpg)