제목:AUDIO REEL-456-1/4-2500 5개 릴테이프/D3/M2>REEL TAPE []AUDIO REEL-456-1/4-2500 5개|미디어 소모품>릴테이프/D3/M2>REEL TAPE>
관련어:AUDIO,REEL-456-1/4-2500,5개,릴테이프/D3/M2>REEL,TAPE,[]AUDIO,REEL-456-1/4-2500,5개
설명:새 페이지 1 QUANTEGY(구AMPEX)오디오 릴테이프 1/4\\'-2500ft(60분) 고급음악용,마스터원본용 Technical Data Unit Typical Value Test Notes I. Electromagnetic Properties Recommended Bias Setting dB 3.0 1 Sensitivity at 1 kHz dB +2.0 2 Sensitivity at 10 kHz dB +4.0 2 Third Harmonic Distortion at Reference Level (1 kHz) % 0.1 3 Output Level at 30/, Third Harmonic Distortion (1 kHz) dB +12.3 4 Weighted Signal-to-Noise Ratio a. related to reference level dB 64.3 5 b. related to output level at 3% third harmonic distortion dB 76.6 5 Modulation Noise Ratio dB 76.0 6 lntermodulation Distortion % 1.0 7 Print-through dB 55.0 8 II. Magnetic Properfies Coercivfty Oe 330 9 Retentivity Gs 1460 9 III. Physical Properties Thickness: Oxide Coating mils 0.55 10 Base mils 1.42 10 Backcoating mils 0.05 10 Total mils 2.02 10 Standard Widths: 1/4 inch inches 0.246 1/2 inch inches 0.496 1 inch inches 0.997 2 inch inches 1.996 Width Tolerance: 4 inch inches ±0.001 1/2, 1, 2 inches inches +0.002 - 0.000 Yield Strength (lbs/qtr in) 5.7 11 Breaking Strength (lbs/qtr in) 11.2 12 IV. Measuring Conditions Tape Speed n./sec 15 Reference Level nWb/m 260 Record Head: Gap Length mils 0.25 Track Width mils 70 Reproduce Head: Gap Length mils 0.25 Track Width mils 70 Reproduce Equalization Ps 50 + 3180 Record Equalization none
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