JBL JSR-400, Руководство по обслуживанию

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3
Dolby Pro-Logic Ò A/V Receiver JSR-400
SPECIFICATIONS
Measuring methods are based on IHF and IEC standard 268-3
Measurement conditions, unless otherwise noted:
Output resistive load = (8) ohms / Both channels driven
Tone (Base, Treble), Balance, EQ control : Center Position, Other SW’s : OFF
Nominal input level: 5mV for MM, 0.5mV for MC, 500mV for general purpose inputs
Power figures should be kept minimum 10 minutes between 15 and 35
° C
Terminator: 100 ohm for MC, 1kohm for MM for MM and general purpose inputs
Filter: IHF-A filter
R/O = Rated Output
Power Supply: 120V, 60Hz
Front Amp Section
NO. DESCRIPTION INPUT FREQ. REMARK UNIT LIMIT L/R NOMINAL L/R L R
1
INPUT SENSITIVITY
CD 1kHz mV 200 ± 30 200 ± 30
MM 1kHz mV
MC 1kHz mV
MIC 1kHz mV
2
CHANNEL BALANCE
CD
1kHz R/O TO -40dB dB ± 3 ± 2
1kHz
4 RESIDUAL NOISE
CD
1kHz VOL min. mV
£
1
1kHz VOL max. mV
5
TOTAL HARMONIC
DISTORTION
CD (500mV)
(40)Hz R/O / 1W % £
1 £ 0.3
1kHz R/O / 1W % £
1 £ 0.3
(20)KHz R/O / 1W % £
1 £ 0.3
6
CONTINUOUS AVERAGE
POWER
CD
(40)Hz (8)ohms W 50 52
1kHz (8)ohms W 50 52
(20)KHz (8)ohms W 50 52
7
S/N RATIO, IHF-A FILTER
CD (500mV)
1kHz R/O dB
³ 65
³
70
1kHz 1W dB
MM (5mV)
1kHz R/O dB
1kHz 1W dB
MC (0.5mV)
1kHz R/O dB
1kHz 1W dB
8
CHANNEL SEPARATION
CD (500mV)
100Hz R/O-3dB dB
1kHz R/O-3dB dB
³
45
³
55
10kHz R/O-3dB dB ³ 40 ³ 45
9
FUNCTION CROSSTALK
TAPE Ý AUX 1/10kHz R/O-3dB dB ³
60/40 ³ 65/45
AUX Þ TAPE 1/10kHz R/O-3dB dB
³
60/40 ³ 65/45
MM Þ CD 1/10kHz R/O-3dB dB
10
FREQUENCY RESPONSE
(-3DB)
CD (500mV) 1W Hz~kHz 40~20k 20~50k
11
TONE CONTROL, ± (10)dB
CD
100Hz 1W dB ±
10
±
2
±
10
±
1
10kHz 1W dB
±
10
±
2
±
10
±
1