Technics SA-GX490 User Manual

• AMPLIFIER SECTION
Rated minimum sine wave
RMS power output
20 Hz-20 kHz both channels
driven
0.05%
tion
total harmonic distor-
[SA-GX790]
120 W per channel (8 Q)
[SA-GX690/GX490]
100 W per channel (8 Q)
40 Hz-20 kHz both channels
driven
0.8% total harmonic distortion
[SA-GX390/GX290]
70 W per channel (8 £_)
1 kilt €ontinuous power output
both channels driven
0.05% total harmonic distortion
[SA-GX790] 125 W per channel (8 _)
[SA-GX6901GX490] 105 W per channel (8 _)
1 kHz continuous power output
both channels driven
0.8% total harmonic distortion
[SA-GX390/GX290] 73 W per channel (8 Q)
Total harmonic distortion
rated power at 20 Hz-20 kHz
[SA-GX790/GX6901GX490] 0.05 % (8 Q)
rated power at 40 Hz-20 kHz
[SA-GX3901GX290] 0.8% (8 Q)
half power at 1 kHz
[SA-GX790/GXG90/GX490] 0.03 % (8 Q)
[SA-GX390/GX290] 0.07 % (8 Q)
Power output at the Dolby Pro Logic
operation 0.8% st 1 kHz,
Front [SA-GX790/GX690] 2 x 100 W (8
[SA-GX490] 2 x 80 W (8
[SA-GX3901GX290] 2 x 50 W (8
Center [SA-GX7901GX690] 100 W (8
[SA-GX490] 80 W (8
[SA-GX390/GX290] 50 W (8
Surround [SA-GX7901GX690] 100 W (8
[SA-GX490] 80 W (8
[SA-GX390/GX290] 50 W (8
Low frequency damping factor 30 (8
Load Impedance
Front [SA-GX3901GX290] 8
A or B [SA-GX790/GX690] 4-8
[SA-GX490] 8
A and B[SA-GX790/GX6901GX490] 8
Center 8
Surround 4- 8
Dynamic headroom
[SA-GX790/GX690/GX490] 2 dB (8
SMPTE Intermodulatlon distortion
0.3% (8
Frequency response
PHONe RIAA standard curve :1:0.8 dB
CDNIDEO CO, VCR 1, VCR 2, TAPE
[SA-GX790] 7 Hz-70 kHz, +3 dB
CD, VCR 1, VCR 2/VIDEO CD, TAPE
[SA-GX6901GX490] 7 Hz-70 kHz, ±3 dB
[SA-GX390/GX290] 10 Hz-70 kHz, ±3 dB
Input sensitivity
PHONe 0.4 mV (3 mV, IHF'66)
CDNIDEO CD, VCR 1, VCR 2, TAPE
[SA-GX790] 27 mV (200 mV, IHF'66)
CD, VCR 1, VCR 2/VIDEO CD, TAPE
[SA-GX6901GX 4901GX3901GX290 ]
27 mV (200 mV, IHF'66)
SIN (IHF A)
PHONe [SA-GX7901GX6901GX490]
70 dB (80 dB, IHF'66)
[SA-GX390/GX290]
70 dB (78 dB, IHF'66)
CD/VIDEO CD, VCR 1, VCR 2, TAPE
[SA-GX790] 75 dB (85 dB, IHF'66)
CD, VCR 1, VCR 2NIDEO CD, TAPE
[SA-GX690/GX490]
75 dB (85 dB, IHF'66)
[SA-GX3901GX290]
75 dB (83 dB, IHF'66)
Input Impedance
PHONe 47 k_
CDNIDEO CD, VCR 1, VCR 2, TAPE
[SA-GX790] 22 kQ
CD, VCR 1, VCR 2/VIDEO CD, TAPE
[SA-GX6901GX490/GX3901GX290] 22 kQ
Tone controls
BASS 50 Hz, + 10 to - 10 dB
TREBLE 20 kHz, +10 to -10 dB
Loudness control (volume at -30 dB)
[SA-GX7901GX690] 50 Hz, +9 dB
D) • FM TUNER SECTION
Q) Frequency range 87.9-107.9 MHz
Q) Sensitivity 11.2 dBf (2 gV, IHF '58)
O) 50 dB quieting sensitivity
_) MONO 18.3 dBf (4.5 IJIV,IHF '58)
Q) STEREO 38.3 dBf (45 IJV, IHF '58)
Q) Total harmonic distortion
£2) MONO 0.2%
Q) STEREO 0.3%
Q) S/N
MONO 75 dB
Q STEREO 70 dB
Q Frequency response
20 Hz-15 kHz, +1 dB, -2 dB
Q Alternate channel selectivity 65 dB
Q Capture ratio 1 dB
Q Image rejection at 98 MHz 45 dB
IF rejection at 98 MHz 80 dB
_)
Spudous response rejection at 98 MHz
75 dB
AM suppression 50 dB
Stereo separation
1 kHz 40 dB
10 kHz 30 dB
Carder leak
19 kHz -35 dB
38 kHz -50 dB
Antenna terminal(s) 75 Q (unbalanced)
• AM TUNER SECTION
;Frequency range 530-1710 kHz
Sensitivity 20 IJV, 330 pV/m
Selectivity 55 dB
image rejection at 1000 kHz 40 dB
IF rejection at 1000 kHz 60 dB
• VIDEO SECTION
Output voltage at I V input
(unbalanced)
Msxlmum Input voltage
1±0.1 Vp-p
1.5 Vp-p
• GENERAL
Power consumption
[SA-GX790] 290 W, 370 VA
(In standby condition: 2W)
[SA-GX690] 280 W, 365 VA
(In standby condition: 2W)
=[SA-GX490] 255 W, 330 VA
(In standby condition: 2W)
[SA-GX3901GX290] 225 W, 290 VA
(In standby condition: 2W)
Power supply AC 120 V, 60 Hz
Dimensions (W x H x D)
[SA-GX7901GX690] 430 x 158 x 352 mm
(16-15116" x 6-7/32" x 13-27132" )
[SA-GX490IGX3901GX290]
430 × 136 x 352 mm
(16-15116" x5-11132" x 13-27/32")
Weight [SA-GX7901GX690] 9.8 kg (21.6 lb.)
[SA-GX490] 8.6 kg (19 lb.)
[SA-GX390/GX290] 7.6 kg (16.8 lb.)
Notes:
1. Specifications are subject to change
without notice. Weight and dimensions
are approximate.
2. Total harmonic distortion is measured by
the digital spectrum analyzer.
Mataushlta Consumer Electronics
Company, Division of Matsushlta
Electric Corporation of America
One Panasonic Way Secaucus,
New Jersey 07094
Printed in Japan
Psnasonlc Sales Company,
Division of Matsushlta Electdc of
Puerto Rico, inc. ("PSC")
Ave. 65 de Infanteda. Km. 9.5
San Gabriel Industrial Park, Carolina,
Puerto Rico 00985
Matsushlts Electric of
Canada Limited
5770 Ambler Drive, Mississauga,
Ontario L4W 2T3
RQT2753-P
H1194C0

Technics SA-GX490 Specifications

General

Brand	Technics
Model	SA-GX490
Category	Receiver
Language	English