ATR MDS-40907 1/4" x 3600' 10.5" NAB Metal Reel Tape Care Box

The MDS-36 signifies the extended-play iteration of our highly acclaimed ATR Master Tape, which has garnered immense praise from engineers and musicians alike. This distinguished nomenclature, MDS-36, pays tribute to the visionary company founder and prominent figure in the industry, Michael D. Spitz.

Fabricated with meticulous precision on the finest-grade 1.0 mil polyester film, MDS-36 offers exceptional performance and ensures consistent reel-to-reel operation. Our innovative formulation not only delivers superior output and minimal noise but also enhances recording efficiency, thereby optimizing resources. Moreover, MDS-36 exhibits bias compatibility with ATR Master Tape, necessitating minimal adjustments for achieving peak performance levels.

ATR MDS-40907 Specifications:

• Magnetic Properties:
  • Coercivity (Hc): 330 Oe
  • Retentivity (Brs): 1400 Gs
• Physical Properties:
  • Standard Widths:
    • 1/4” 0.246 in.
  • Nominal Thickness:
  • Base Film: 950 u-in.
  • Oxide Coating: 500 u-in.
  • Back Coating: 30 u-in.
  • Total: 1,480 u-in.
• Performance Properties:
  • Sensitivity @ 1 kHz: +1.2 dB
  • Sensitivity @ 10 kHz: +1.0 dB
  • THD @ IEC Reference Level (1 kHz): 0.10 %
  • Output Level @ 3% THD: +12 dB
  • Modulation Noise Ratio: -68 dB
  • Print-Through: -54 dB
• Measuring Conditions:
  • Tape Speed: 15 IPS
  • Equalization Standard: IEC 35 µs
  • Reference Level: 320 nWb/m
  • Record Head: Gap Length: 0.5 mils
  • Track Width: 75 mils
  • Reproduce Head: Gap Length: 0.12 mils
  • Track Width: 75 mils