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CASSTETTE ( MAGNET ERASE )
NO. Test items Unit Nominal Limit Remark1
1 Tape speed B-111N % 3000 Hz +3,-2
2 Wow & Flutter WRMS JIS B-111N % 0.1 0.35
3 Distortion B-118N % 1 3
4 S/N ratio B-112S dB 45 40
5 Cross talk B-121N dB 35 28
6 Separation B-141N dB 30 25
7 Hum & noise VR Max mV 40 70
8 Hum & noise VR min mV 3 5
Frequency response 125 Hz dB 0 +/-4
9 1000 Hz dB 0 0
Play Back (B-257) 6300 Hz dB 0 +/-4
10 Output level mV
11 10% THD power B-112BN W 2 1.8
12 Max power B-112BN W
S/N Recording/P.B. Normal dB 30 25
13 at -62 dbv, 1k Hz Cro2 dB
CD PLAY, SONY 3 - 16 Matal dB N
Erase ratio Normal dB 30 25
14 at -59 dbv, 1k Hz Cro2 dB
CD PLAY, SONY 3 - 16 Matal dB
Rec/P.B. Level Normal dB 0 +/-3 REF:B-212
15 at -66 dbv, 1k Hz Cro2 dB
CD PLAY, SONY 3 - 18 Matal dB
16 Line input sensitivity dB
17 Mic input sensitivity dB
18 Peak level 1 dB
Peak level 2 dB
Frequency response Rec./P. 125 Hz dB 0 +/-6
19 Recording level (B-257) 1000Hz dB 0 0
CD PLAY, SONY3 7000Hz dB 0 +/-6
Rec./ P.B. distorion Normal % 5 8
20 -66 dBV, 1K Hz Cr02 %
CD PLAY, SONY 3-18 Metal %
21 AlC Rec. /P.B. distortion -56 dbv %
input 1K Hz CD PLAY, SONY 3-14
22 FAIL OUTPUT VOLTAGE (DC) V
(AC) %
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