![BASF reference tape calibration tape 38 cm/s 1/4 inch | Open Reels | Tape Material | Recording Separates | Audio Devices | Spring Air BASF reference tape calibration tape 38 cm/s 1/4 inch | Open Reels | Tape Material | Recording Separates | Audio Devices | Spring Air](https://www.springair.de/media/image/29/b0/91/72659.jpg)
BASF reference tape calibration tape 38 cm/s 1/4 inch | Open Reels | Tape Material | Recording Separates | Audio Devices | Spring Air
![Multifrequency Calibration Tape, ¼″, 15 ips (38.1 cm/s), 320 nWb/m, IEC 1 (CCIR), 12 min., Item no. 76403 Multifrequency Calibration Tape, ¼″, 15 ips (38.1 cm/s), 320 nWb/m, IEC 1 (CCIR), 12 min., Item no. 76403](https://www.test-tape.com/wp-content/uploads/2020/02/76403_800x.jpg)
Multifrequency Calibration Tape, ¼″, 15 ips (38.1 cm/s), 320 nWb/m, IEC 1 (CCIR), 12 min., Item no. 76403
![idk which test tape is right, would be any compatible with 3000hz such as my Sony TC-KE 400 S?. i wanna adjust the correct speed. : r/cassetteculture idk which test tape is right, would be any compatible with 3000hz such as my Sony TC-KE 400 S?. i wanna adjust the correct speed. : r/cassetteculture](https://i.redd.it/st9mvbt2nb6c1.jpg)
idk which test tape is right, would be any compatible with 3000hz such as my Sony TC-KE 400 S?. i wanna adjust the correct speed. : r/cassetteculture
![BASF reference tape calibration tape stereo 38 cm/s 1/4 inch | Open Reels | Tape Material | Recording Separates | Audio Devices | Spring Air BASF reference tape calibration tape stereo 38 cm/s 1/4 inch | Open Reels | Tape Material | Recording Separates | Audio Devices | Spring Air](https://www.springair.de/media/image/89/4e/95/72660_600x600.jpg)
BASF reference tape calibration tape stereo 38 cm/s 1/4 inch | Open Reels | Tape Material | Recording Separates | Audio Devices | Spring Air
![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.
![Multifrequency Calibration Tape, ¼″, 3.75 ips (9.52 cm/s), 250 nWb/m, IEC 1 (CCIR) & IEC 2 (NAB), 9:30 min., Item no. 76479 Multifrequency Calibration Tape, ¼″, 3.75 ips (9.52 cm/s), 250 nWb/m, IEC 1 (CCIR) & IEC 2 (NAB), 9:30 min., Item no. 76479](https://www.test-tape.com/wp-content/uploads/2021/03/76479_800x.jpg)
Multifrequency Calibration Tape, ¼″, 3.75 ips (9.52 cm/s), 250 nWb/m, IEC 1 (CCIR) & IEC 2 (NAB), 9:30 min., Item no. 76479
![BASF reference tape calibration tape 19 cm/s 1/4 inch | Open Reels | Tape Material | Recording Separates | Audio Devices | Spring Air BASF reference tape calibration tape 19 cm/s 1/4 inch | Open Reels | Tape Material | Recording Separates | Audio Devices | Spring Air](https://www.springair.de/media/image/fd/1f/f7/72657.jpg)
BASF reference tape calibration tape 19 cm/s 1/4 inch | Open Reels | Tape Material | Recording Separates | Audio Devices | Spring Air
![BASF reference tape calibration tape stereo 38 cm/s 1/4 inch unused | Open Reels | Tape Material | Recording Separates | Audio Devices | Spring Air BASF reference tape calibration tape stereo 38 cm/s 1/4 inch unused | Open Reels | Tape Material | Recording Separates | Audio Devices | Spring Air](https://www.springair.de/media/image/1c/86/b5/72661.jpg)