ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʽʽʳˣ˥ˢ˗˨˖˧ʳ˦ˣ˘˖˜˙˜˖˔˧˜ˢˡʳʽʽʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ
ʳ
ʳ ʳ ʳ ʳ ʳ ʳ ˠ˴˹˴˶˸
ˍˍʳ ʳ ˗˔˧ʳ ʳ ʳ ʳʳʳʳʳʳʳʳʳʳʳʳʳˠ˷˸˿ˍ
ʳ ʳ ˧ˣˀˈ˃˄˚ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ʳ ˗˸˶˼˼ˍ
ʳ ʳ ˔ˠ˂˙ˠʳ˦˧˘˥˘ˢʳ˥˔˗˜ˢʳʹʳ˖˗ʳ˂ˠˣˆʳˣ˟˔ˬ˘˥ʳ ʳ
ʳ ʳ ʳ ʳ ʳ ʳ ˖˸’ʳˡ˴˸ˍʳʳʳʳʳʳʳ
ʳ ˧˸ʳ˖˷˼˼ˍ
ʳ ʳ ʳ ˄ˁʳ˦˿ʳ ʳ ˩˿˴˺˸ˍʳ˅
ˆ˃ʳ˩ʳ˔˖ʳ ʳ ʳ
ˈ˃ʳ˛ʳ˄
˅˩ʳ˗˖ʳ ʳ ʳ ʳ ʳ ʳ ˅ˁʳ˥˸˹˸˸˶˸ʳˢˍ
ʳ ʳ ʳ ˈ˃ʳ˪ʳ ʳ ʳ ʳ ʳ ʳ ˆˁʳ˟˴˷ʳ˜˸˷˴˶˸ʳ
ˍʳ ʳ ˋʳˢ˻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