QUANTEGY(구 AMPEX)오디오 릴테이프
1/4"-1200ft(30분)
일반녹음용.CF용









 Technical Data

----------------- T Y P I C A L V A L U E ------------------
Unit
631
632
641
642
651
661
Test
Notes

I. Physical Properties
Standard Width
inches
0.246
0.246
0.246
0.246
0.246
0.246
1
mm
6.25
6.25
6.25
6.25
6.25
6.25
Width Tolerance
inches
±0.001
±0.001
±0.001
±0.001
±0.001
±0.001
1
mm
0.025
0.025
0.025
0.025
0,025
0.025
Total Thickness
mils
1.84
1.82
1.30
1.28
0.90
0.70
2
u
46.7
46.2
33.0
32.5
22.9
17.8
Base Film Thickness
mils
1.42
1.42
0.88
0.88
0.48
0.48
2
u
36.0
36.0
22.4
22.4
12.2
12.2
Coating Thickness
mils
0.42
0.40
0.42
0.40
0.42
0.22
2
u
10.7
10.2
10.7
10.2
10.7
5.6

II. Magnetic Properties
Coercivity (Hc)
Oe
270
290
270
290
270
270
3
Retentivity (Br)
Gs
1100
1100
1100
1100
1100
1100
4

III. Electromagnetic Properties
Bias Sensitivity @ 500 Hz
dB
-1.2
0.0
-1.2
0.0
-1.2
-1.2
5
Record Sensitivity @ 500 Hz
dB
0.0
0.0
0.0
0.0
0.0
0.0
6
Third Harmonic Distortion at Reference Record Level
%
1.5
0.75
1.5
0.75
1.5
3.5
7
Relative Output with 1 % Third Harmonic Distortion at 500 Hz
dB
-2.0
+0.5
-2.0
+0.5
-2.0
-8.0
8
Output Sensitivity at:
100 Hz
dB
0.0
0.0
0.0
0.0
0.0
-2.0
9
500 Hz
dB
-0.5
-0.5
-0.5
-0.5
-0.5
-2.5
9
7500 Hz
dB
-0.5
-0.5
-0.5
-0.5
-0.5
-1.5
9
15000 Hz
dB
-0.5
-0.5
-2.0
-0.5
-2.0
+0.5
9
Saturated Output at:
500 Hz
dB
-1.5
-1.5
-1.5
-1.5
-1.5
-6.5
10
15000 Hz
dB
-1.0
-1.0
-1.0
-1.0
+2.0
+0.5
10
Relative Weighted Noise
with Bias
dB
0.0
+1.3
0.0
+1.3
0.0
0.0
11
Print-through
dB
51.0
57.0
50.0
55.0
49.0
49.0
12
Signal-to-noise
dB
-1.5
+2.0
-1.5
+2.0
-1.5
-6.0
13