Master Tape

Technical specifications

ATR Master Tape Technical Data

ATR Master Tape provides for high-output, low-noise recording with an industry-standard bias compatibility. Our advanced preparation and coating techniques produce a consistent, high quality product that meets the needs of professional recording studios and hi-fidelity enthusiasts alike. Tape CareTM packaging for improved archival storage and transportation.

Magnetic Properties
Coercivity (Hc)330Oe
Retentivity (Brs)1400Gs

Physical Properties
Standard Widths
¼” 0.246in.
½” 0.496 in.
1” 0.996 in.
2” 1.996 in.

Nominal Thickness
Base Film 1,420 u-in.
Oxide Coating 500 u-in.
Back Coating 30 u-in.
Total 1,950 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 -56dB

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 75mils
Reproduce Head: Gap Length 0.12 mils
Track Width 75mils