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AUDIO REEL-642-1/4-1800 10°³
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HDKOREA 3095 196-3170CP 140,000¿ø QUANTEGY
HDKOREA 1652 196-4610HR(HELICAL) 186,000¿ø QUANTEGY
HDKOREA 1655 AUDIO REEL-456-1/4-1200 10°³ 240,000¿ø ¿Àµð¿À¾ØÄÉÀ̺í

REEL /D3/M2 Å×ÀÌÇÁ BEST
196-1630EP(HELICAL)

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196-4610HR(HELICAL)

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AUDIO REEL-642-1/4-1800 10°³

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AUDIO REEL-632-1/4-1200 10°³

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 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 ¡¾0.001 ¡¾0.001 ¡¾0.001 ¡¾0.001 ¡¾0.001 ¡¾0.001 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