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Testimonials
Maxell Digi Beta 40 Minutes Tape BD-40 Maxell Digital Betacam Video Cassette is a 1/2" metal tape with an advanced cassette mechanism to create an extra-low error rate. It is ideal for all types of professional applications: ENG/EFP, editing, transmission and post-archival playback. Thanks to Multi-Orientation Technology and advanced dispersion systems, high-output Ceramic Armor Metal Particles reach their full energy potential, improving the tapes C/N ratio a full 2dB more than Betacam SP tape. In addition, the Ceramic Armor coating ensures that output stays high because it protects against energy-dissipating heat, oxidation and corrosion. The high-strength binder makes a major contribution to increasing the tapes rigidity---a factor that serves to maximize tape durability in demanding playback modes such as shuttle and still frame mode, as well as to raise compatibility with archiving and post-archival playback.
Maxell Digital Betacam brochure
| Unit | Typical value | ||
| Physical properties | Tape width | mm | 12.650 |
| Tape thickness | μm | 13.8 | |
| Magnetic layer thickness | μm | 3.0 | |
| Base film thickness | μm | 10.0 | |
| Backcoating thickness | μm | 0.8 | |
| Yield strength | N (kgf) | 25 (2.6) | |
| Breaking strength | N (kgf) | 49 (5.0) | |
| Residual elongation | % | 0.07 | |
| Magnetic layer electrical resistance | Ω/sq. | 1 × 1010 | |
| Magnetic properties | Coercivity (Hc) | kA/m (Oe) | 127 (1,600) |
| Retentivity (Br) | mT (G) | 260 (2,600) | |
| Squareness ratio (Br/Bm) | - | 0.84 | |
| Electrical properties | Optimum recording current | % | 100 |
| RF output (32MHz)* | dB | 0 | |
| C/N* | dB | 0 | |
| Sensitivity* | dB | 0 | |
| Frequency response* | dB | 0 | |
| Audio S/N* | dB | 0 | |
* Indicates a comparison with MAXELL reference tape.
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