JBL JSR-400 - Page 5

5
Dolby Pro-Logic
Ò
A/V Receiver JSR-400
TUNER
Measuring methods in conformity with IEC standard 315
Measurement conditions FM:
Radio frequency = 98.1 MHZ,
Audio frequency = 1 kHz
Reference level = 1mV on ( 75ohms, 300ohms)
Test Point: TP 1 = 90.1MHz, TP 2 = 98.1 MHz, TP 3 = 106.1 MHz
Filter = B.P.F at STEREO
Power Supply: 120V, 60Hz
FM Section
NO. DESCRIPTION UNIT LIMIT L/R NOMINAL L/R
1
TUNING RANGE LOW ~ HIGH
STEP AUTO/Man.
MHz 87.5~107.9M
kHz 100
2
USABLE SENSITIVITY TP 1
S/N = 30dB TP 2
TP 3
dBf
£ 23.2 £17.2
dBf
£ 23.2 £17.2
dBf
£ 23.2 £17.2
3
FULL LIMITING SENSE OUTPUT =
-3dB
dBf
£ 15.2 £12.2
4
AUTO STOP LEVEL
dBf
31.2± 5 31.2±3
5
S/N RATIO MONO
IHF-A FILTER STEREO
dBf
³ 65 ³72
dBf
³ 59 ³70
6
TOTAL HARMONIC DISTORTION MONO
STEREO
%
£ 1 £0.5
%
£ 1.5 £1
7
50dB QUIETING SENS. MONO
STEREO
dBf
£ 23.2 £20.2
dBf
£ 45.2 £43.2
8
CHANNEL SEPARATION 250Hz
1kHz
6.3kHz
dBf
³ 20 ³40
dBf
³ 26 ³45
dBf
³ 18 ³35
9
FREQUENCY RESPONSE AT ± 1.5dB
Hz 30~12.5k
20~15k
10
SPURIOUS RESPONSE
dB
³ 60
³70
11
IF REJECTION TP 1
dB
³ 60
³70
12
IMAGE REJECTION TP 3
dB
³ 30
³40
13
AM REJECTION RATIO
dB
³ 25
³30
14
ALTERNATIVE CH SELECTIVITY ± (400)KhZ
dB
³ 55 ³65
15
OUTPUT LEVEL MONO
mV
500± 200 500± 150