Performance Specifications; Reference Output : 500Mw - Akai DV-R4100VSS Service Manual

PERFORMANCE SPECIFICATIONS

GENERAL TEST CONDITION
Power Supply : AC 230V 50Hz
Output Load : 8ohm non-reactive x 5 Subwoofer 6ohm x 1
Reference Output : 500mW
Input Signal Source : External AM Loop Antenna
75ohm Dummy Antenna for FM
Modulation : 30% 400Hz for AM
40kHz Deviation 1000Hz for FM Mono
7.5kHz Pilot Tone: Stereo
47.5kHz L+R 1000Hz: Stereo
(AM) SECTION, AMPLITUDE, MODULATION
TEST ITEMS
1. Tuning Range
2. I. F.
3. S/N 10mV/m
4. Sens. (at S/N 20dB)
5. I.F. Rejection
6. Image Rejection
7. Spurious Rejection
8. Bandwidth, -6 dB, at
(Max. Sens. +6 dB)
9. ACA (±9 kHz) input
10. AGC Figure Merit
11. Distortion, 5mV/m, 30%
80%
12. 10% THD Power AC
13. Tweet (2nd 910kHz & 3rd 1350kHz)
at 75 dB I/P
14. Audio Fidelity, Centre ±(6) dB
15. Low Voltage AC
16. a. Mod. Hum 100mV/M
b. Hum at Min. Vol.
17. Auto Stop Sens.
18. Step Frequency
Remarks:
Note: All measurement should be done in bypass mode without EQ effects.
UNIT NOMINAL LIMIT
kHz 531 - 1602
kHz 450
999kHz dB 36
603kHz dB 60
dB 60
1404kHz dB 60
603kHz dB 50
1404kHz dB 30
dB 35
999kHz kHz 6 4 - 9
999kHz dB 20
100mV/m dB 45
% 1
% 3
DEV 80% W 15
dB 15
Hz 60/2200 120/2000
% 80
dB 36
mV 1
dB 64
kHz -
1
(FM) SECTION, FREQUENCY, MODULATION
1. Tuning Range
2. I. F.
3. 30dB S/N
4. -3dB Limit Sens.
5. I. F. Rejection
6. Image Rejection
7. Spurious Rejection
8. AM Suppression
9. Mod. Hum
10. Distortion at 1 mV/m (Mono)
100 mV/m
11. Audio Fidelity, (-3dB) (Pre-emphass) (50 µS)
Subwoofer
12. Power Out, 10% THD (55K DEV) 1K=1mV
-
Subwoofer Power Out, 10% THD
±3
(55K DEV) 100Hz=1mV
30
13. Low Voltage AC
64
14. S/N Ratio at 1mV
64
(Stereo) Dev. 10% Pilot with "19" Filter
64
15. Alternate Channel Selective ±400kHz
46
16. Stereo Separation
22
17. 19kHz Leak Carrier
25
18. Stereo LED Indication
19. Step Frequency
20. Auto Stop Sens.
15
21. Minimum VOL. Hum
40
Remarks:
3
6
Note: All measurement should be done in bypass mode without EQ effects.
13
10
85
30
3
70
9
PERFORMANCE SPECIFICATIONS - CONTINUED
TEST ITEMS
(F + 0.535MHz)
(Max. Sens. + 6dB)
(100dB I/P)
2
UNIT NOMINAL LIMIT
MHz 87.5 - 108 -
MHz 10.7 ±0.3
90MHz µV 20 25
98MHz µV 20 25
106MHz µV 20 25
dB 16 30
98MHz dB 60 50
106MHz dB 30 23
dB 40 35
(60dB I/P) dB 45 30
dB 48 42
22.5kHz % 1 2
75kHz % 3 5
Hz 60/9000 120/6000
1K=0dB 100 Hz 36 30
W 15 13
W 22 18
% 80 85
98MHz dB 52 46
dB - -
dB 25 18
dB 26 22
dB 32 27
dB 26 30
kHz - 50
dB 26 32
mV 1.0 3.0