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Additional Information
Specifications
Audio power specifications
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION
With 8-ohm load, both
channels driven, from 20 -
20,000 Hz, STR-GA8ES rated
120 watts, STR-GA7ES rated
90 watts per channel,
minimum RMS power, with
no more than 0.05 % total
harmonic distortion from
250 milliwatts to rated
output. (USA model only)
Amplifier section
POWER OUTPUT
Stereo mode
Surround mode
Dynamic power
output
Harmonic
distortion at
rated output
Frequency
response
8 ohms 20 Hz - 20 kHz,
STR-GA8ES:
120 W + 120 W
STR-GA7ES:
90 W + 90 W
8 ohms at 1 kHz,
THD 0.8 %
STR-GA8ES:
165 W + 165 W, 8 ohms
250 W + 250 W, 4 ohms
STR-GA7ES:
140 W + 140 W, 8 ohms
240 W + 240 W, 4 ohms
Less than 0.05 %
PHONO: RIAA
equalization curve
±0.5 dB
CD, TAPE, DAT/MD,
TV, LD, VIDEO 1, 2:
10 Hz - 50 kHz dB
(Direct Pass)
Front
Center
Rear
STR-GA7ES
90 W/ch
90 W
40 W/ch
STR-GA8ES
120 W/ch
120 W
50 W/ch
+0
–1
Sensitivity
2.5 mV
150 mV
Inputs
Impedance
50
kilohms
50
kilohms
S/N*
75 dB
82 dB
PHONO
(MM)
CD,
TAPE,
DAT/MD,
VIDEO 1,
2, 3, TV,
LD
Outputs
BASS BOOST
Modulation
(A/D conversion)*
Demopnstration
(D/A conversion)*
Sampling
frequency*
Surround
REC OUT VIDEO 1, 2
(AUDIO) OUT:
Voltage 250 mV,
Impedance 10 kilohms
WOOFER OUT
Voltage: 2 V
Impedance: 1 kilohms
PHONES: Accepts low
and high impedance
headphones
+7 dB at 70 Hz
High Density Linear
Converter
High density Linear
Converter (Pulse D/A
converter)
48 kHz
ROOM SIZE*
16-step adjustable
WALL TYPE*
16-step adjustable
SEAT F/R and L/R*
16-step adjustable
EFFECT
20-step
REVERB TIME*
16-step adjustable
DELAY TIME
In PRO LOGIC mode:
15.0 ms - 30.0 ms, 0.1
ms step (STR-GA8ES)
15.0 ms - 30 ms, 5 ms
step (STR-GA7ES)
In other sound field
modes
(STR-GA7ES only)
5 ms - 30 ms, 5 ms step
REAR LEVEL
–50 dB - +10 dB, 1 dB
step (STR-GA8ES)
–15 dB - +10 dB, 1 dB
step (STR-GA7ES)
CENTER LEVEL**
–50 dB - +10 dB, 1 dB
step (STR-GA8ES)
–15 dB - +10 dB, 1 dB
step (STR-GA7ES)
Input balance
Automatic
* ‘78 IHF
Digital signal processor section
* Only for STR-GA8ES
** Only for sound fields with a CENTER
LEVEL parameter (see page 22).
Band
3-band, Bass/Mid/
Treble
Turnover frequency
Bass: 125 Hz - 1 kHz
Treble: 1 kHz - 8 kHz
Center frequency
Mid: 435 Hz - 8 kHz
Level
±10 dB, 1 dB step
Slope (Q)
3-step selectable :
Wide, Mid, Narrow
±8 dB at 100 Hz and
10 kHz
Equalizer
(STR-GA8ES only)
TONE
(STR-GA7ES only)
FM tuner section
87.5 - 108.0 MHz
75 ohms, unbalanced
Mono: 18.3 dBf, 4.5 µV
Stereo: 38.3 dBf, 45 µV
11.2 dBf, 2 µV (IHF)
Mono: 76 dB
Stereo: 70 dB
Mono: 0.3 %
Stereo: 0.5 %
45 dB at 1 kHz
30 Hz - 15 kHz dB
60 dB at 400 kHz
With 10 kHz interval*:
530 - 1710 kHz
With 9 kHz interval:
531 - 1710 kHz
Loop antenna
50 dB/m (at 1,000 kHz or
999 kHz)
54 dB (at 50 mV/m)
0.5 % (50 mV/m,
400 kHz)
At 9 kHz: 35 dB
At 10 kHz: 40 dB
Tuning range
Antenna
terminals
Sensitivity
Usable sensitivity
S/N
Harmonic
distortion at
1 kHz
Separation
Frequency
response
Selectivity
Tuning range
Antenna
Usable sensitivity
S/N
Harmonic
distortion
Selectivity
+0.5
–2
AM tuner section