JBL JSR-400 - Page 6

6
Dolby Pro-Logic
Ò
A/V Receiver JSR-400
Measuring methods in conformity with IEC standard 315
Measurement conditions AM - MW: Radio frequency = 1000/999kHz
Audio frequency = 400Hz
LW: Radio frequency = 207kHz
Audio frequency = 400Hz
Reference level = 5mV/m, 10mV/m on 50ohms
Modulation = 30%
Test Point: MW TP1 = (600)kHz TP2 = (1000)kHz TP3 = (1400)kHz
LW TP1 = 162kHz TP2 = 207kHz TP3 = 252kHz
AM Section
NO. DESCRIPTION UNIT LIMIT L/R NOMINAL L/R
1
TUNING RANGE LOW ~ HIGH
MW
LW
STEP AUTO/Man.
kHz 520~1710
kHz
kHz
10
2
USABLE SENSITIVITY MW TP 1
TP 2
S/N = 20dB TP 3
LW TP 1
TP 2
TP 3
uV/m
£ 800 £500
uV/m
£ 800 £500
uV/m
£ 800 £500
uV/m
uV/m
uV/m
3
S/N RATIO MW
LW
dB
³ 35 ³45
dB
4
TOTAL HARMONIC DISTORTION
%
£ 1.5 £1.0
5
OVER LOAD DISTORTION 5mV 80% MOD
%
£ 10 £5
6
FREQUENCY RESPONSE at -6dB MW
LW
Hz 100~2k
80~2.3k
Hz
7
SELECTIVITY 10KhZ/9KhZ MW
LW
dB
³ 20 ³25
dB
8
AGC FIGURE OF MERIT INPUT 100mV
dB
³ 40 ³45
9
IMAGE REJECTION MW = TP 3
LW=TP3
dB
³ 30 ³35
dB
10
FREQUENCY RESPONSE AT ± 1.5dB
%
£ 15 £10
%
£ 15 £10
11
AUTO STOP LEVEL MW
LW
uV/m
800(± 6dB) 800(±5dB)
uV/m
12
TUNED LEVEL MW
LW
uV/m
800(± 6dB) 800(±5dB)
uV/m
13
OUTPUT LEVEL
mV
120± 40
120±30