ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʽʽ
ʳˣ˥ˢ˗˨˖˧ʳ˦ˣ˘˖˜˙˜˖˔˧˜ˢˡ
ʳʽʽʳ ʳ ʳ ʳ ʳ ʳ ʳ
ʳ
ʳ
ʳ ʳ ʳ ʳ ʳ ʳ ˠ˴́̈˹˴˶̇̈̅˸̅̅ˍˍʳ ʳ
˗˔˧ʳ ʳ ʳ
ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ˠ̂˷˸˿ˍˍʳ ʳ ˧ˣˀˈ˃˄˚
ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ
˗˸̆˶̅˼̃̇˼̂́ˍˍʳ ʳ ˔ˠ˂˙ˠʳ˦˧˘˥˘ˢʳ˥˔˗˜ˢʳʹʳ˖˗ʳ˂ˠˣˆʳˣ˟˔ˬ˘˥ʳ
ʳ
ʳ ʳ ʳ ʳ ʳ ʳ ˖̈̆̇̂̀˸̅
’
̆ʳˡ˴̀˸ˍʳ ʳ ʳ ʳ ʳ ʳ ʳʳ ʳ ˧˸̆̇ʳ˖̂́˷˼̇˼̂́̆ˍˍʳ ʳ ʳ ˄ˁʳ˦̈̃̃˿̌ʳ ʳ ˩̂˿̇˴˺˸ˍʳ˅˅ˆ˃ʳ˩ʳ˔˖ʳ ʳ ʳʳ ˈ˃ʳ˛̍ʳ˄˄˅˩ʳ˗˖ʳ
ʳ
ʳ ʳ ʳ ʳ ˅ˁʳ˥˸˹˸̅˸́˶˸ʳˢ̈̇̃̈̇ˍˍʳ ʳ
ʳ ˈ˃ʳ̀˪ʳ
ʳ ʳ ʳ ʳ ʳ ˆˁʳ˟̂˴˷ʳ˜̀̃˸˷˴́˶˸ʳʳˍʳ ʳ ˋʳ
ˢ˻̀
ʳ ʳ ʳ ʳ ʳ ʳ ʳ
5
No.
Description
Brand Name
Model No.
1
Digital Signal Generator
KENWOOD
SG-5150
2
Distortion Meter
MEGURO
MAK-6571C
3
Millivolt Meter
LODESTAR
MV-3201B
4
Low-Frequency Generator
KENWOOD
AG-203A
5
Oscilloscope GW GOS-653G
6
Wow-and-Flutter KIKUSUI
677D
BAND: TAPE PLAYBACK
NO
.
ITEMS Measurement
Conditions
UNIT NOMINAL
LIMIT
1 Tape Speed
Normal High TCC-112 Volume Control to Ref. Output
3000 +3%/-2%
2 Wow & Flutter
WTD
WOW
FLUTTER
TCC-112 Volume Control to Ref. Output
%
0.2
0.2
0.3
0.35
0.3
0.6
0
±3
dB 0
0
3 Playback Frequency Response
125 KHz
1 KHz
6.3 KHz
TCC-181A Volume Control to Ref. Output Ref. 1KHz=0dB
0
±3
45
30
gm/cm
75 60
4 Cassette Torque
Play
Fast Fwd
Rewind
75
60
5 Signal to Noise Ratio
MTT-112B
MTT-112B Volume Control to Ref. Output VS NO Signal Tape
dB
50
45
6 Channel Separation TCC-194
TCC-194
TCC-194 Volume Control to Ref. Output
dB
35
30
7 Track Crosstalk TCC-192
TCC-192 TCC-192 Volume Control to Ref. Output
dB
40
30
8 Channel Balance
MTT-121N
MTT-121N Volume Control to Ref. Output
dB
0
3
9 Minimum Volume Hum & Noise
Volume Control to MIN.(Rms /P-PV)
mV
1
5
3
10
10 Maximum Volume Hum & Noise
Volume Control to MAX. (Rms /P-PV)
mV
15
30
25
150
11 Maximum Volume Distortion
MTT-112B
MTT-112B Volume Control to MAX.
%
20
25
12 Distortion MTT-118N
MTT-118N Volume Control to Ref. Output
%
1
2
13 10% THD Output Power SPK
MTT-112B
MTT-112B Adjust Volume Up Down to Measure 10% THD SP
mW
1500 1200
14 Maximum Output Power SPK
MTT-112B
MTT-112B Volume Control to MAX.
mW
2000 1500
15 10% THD Output Power(HP)
MTT-112B
MTT-112B Volume to MAX.
mW
25
18
16 Current Consumption at 10%THD
MTT-112B
MTT-112B Adjust Volume Up Down to Measure 10% THD SP
mA
/
/
17 Fast Forward/Rewind Time(C60)
Blank Tape
C60
SEC
160 180