Power Supply
: AC 230V 50Hz
Output Load
: 4 ohm non-reactive
Reference Output
: 500 mW, 4 ohm
Input Signal Source
: External AM Loop Antenna
75 ohm Dummy for FM
Modulation
: 30% 400Hz for AM 80% for Power
75kHz Deviation 1000Hz for FM
1kHz, 750mV @ Aux Input
Remarks
: 7.5kHz Pilot Tone
40kHz L+R 1000Hz
GENERAL TEST CONDITION
CD SECTION
UNIT
NOMINAL
LIMIT
1. 10% Dis. Output Power (1kHz, 0dB)
W
5
4.5
2. Frequency Response (100Hz-20kHz/1kHz, 0dB)
dB
±1
±6
3. De-emphasis Response (1kHz, 0dB/5K, -5dB/16kHz, -9dB)
dB
±2
±4
4. Channel Balance (1kHz, 0dB)
dB
1
2
*5. Channel Separation (1kHz, 0dB)
dB
45
40
*6. T.H.D. + Noise (1kHz, 0dB)
%
0.3
1.0
*7. S/N Ratio (1HF-A) (1kHz, 0dB)
dB
60
55
8. CD Speed (1000Hz)
Hz
-
±1
*9. Dynamic Range
dB
80
70
10. Wedge
µm
-
600
11. Black Dot
µm
800
600
12. Fringer Print
Track
-
No. 18
13. Eccentricity
TCD-712 ABEX
µm
-
150
14. Vertical Deviation
TCD-731R ABEX
mm
-
>0.8
15. Seaching Time
TN01-TN024
Sec.
5
8
TN024-TN01
Sec.
5
8
16. Minimum Operation Voltage
%
85
90
17. CD Max. Vol. Hum
mV
5
10
*with external "A" CURE L.P.F.
ITEM 1 - 9 Test Disc "CBD SONY YEDS7"
ITEM 10 - 12 Test Disc "PHILIPS 444A"
ITEM 15 Test Disc "PHILIPS 444"
Level Matching
Aux 750 mV
AM 55% 5mV
dB
±3
FM 40kHz 1mV
dB
±3
CD -10dB
dB
-6
±3
MTT-112N
dB
±3
TEST ITEMS
AM SECTION, AMPLITUDE MODULATION
UNIT
NOMINAL
LIMIT
1. Tuning Range
kHz
522-1620
-
2. I. F.
kHz
450
±3
3. S/N 10mV/m
0.999MHz
dB
36
30
4. Sens. (at S/N 20dB)
0.603MHz µV/m
997
1995
0.999MHz µV/m
997
1995
1.404MHz µV/m
997
1995
5. I. F. Rejection
0.603MHz
dB
50
46
6. Image Rejection
1.404MHz
dB
30
24
7. Spurious Rejection
dB
35
25
8. Bandwidth, -6 dB, at
0.999MHz
kHz
6
4 - 9
(Max. Sens. +6 dB)
9. ACA (±9 kHz) Input
0.999MHz
dB
20
15
10. AGC Figure Merit
100mV/m
dB
45
40
11. Distortion, 5mV/m, 30%
%
1
3
80%
%
3
6
12. 10% THD Power AC
W
5
4.5
13. a. Tweet (2nd 900kHz & 3rd 1350kHz)
dB
15
10
at 75 dB I/P
14. Audio Fidelity, Centre ± (6) dB
Hz
60/2200
120/2000
15. Low Voltage AC
%
80
85
16. a. Mod. Hum 10mV/m
dB
36
30
b. Hum at Min. Vol.
mV
1
3
17. Auto Stop Sens.
dB
64
70
18. Step Frequency
kHz
-
9
TEST ITEMS
CASSETTE SECTION
UNIT NOMINAL
LIMIT
A (PLAYBACK)
1. Tape Speed (MTT-111N)
%
±1
±3
2. Wow & Flutter JIS WTD (MTT-111N)
%
0.25
0.38
3. Take Up Torque (PLAY)
g-cm
30
60
4. F. F. / Rew. Torque
g-cm
60
140
5. Output Power (MTT-112BN) 10% THD
W
5
4.5
6. S/N Ratio (MTT-112BN)
dB
45
40
7. T. H. Distortion (MTT-112BN)
%
2
3
8. Frequency Response (MTT-257H)
125Hz
dB
±3
±6
6.3kHz
dB
±3
±6
9. Separation (MTT-141N) w/BPF
dB
40
30
10. Cross Talk (X- BASS OFF) w/BPF (MTT-121N)
dB
55
45
11. Hum & Noise VR MAX
(w/o Tape)
mV
30
50
VR MIN
(w/o Tape)
mV
1
3
B (RECORD)
1. T. H. / Distortion
%
4
8
2. Erase Ratio Effect (MTT-112BN) for Level
dB
55
48
3. Rec. / Playback Level Difference (Radio)
dB
2
4
4. Rec. / Play S/N Ratio (with A Filter)
dB
40
35
5. Frequency Response (MTT-257)
125Hz
dB
±4
±7
(Ref: 1kHz 0dB)
6.3kHz
dB
±4
±7
Remarks:
All measurement should be done in Bypass mode without X-Bass/Tone…effect.
TEST ITEMS
1
2
PERFORMANCE SPECIFICATIONS
PERFORMANCE SPECIFICATIONS - CONTINUED
