PAGE: 5 OF 7
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)
%