Sony STR-GA8ES Specifications, 26EN, Power Output And Total Harmonic Distortion, FM tuner section

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)

Inputs

Sensitivity Impedance		S/N*
PHONO 2.5 mV	50	75 dB

(MM)kilohms

CD,

TAPE, 150 mV 50 82 dB

DAT/MD,kilohms

VIDEO 1,

2, 3, TV,

LD

	* ‘78 IHF
Outputs	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
BASS BOOST	+7 dB at 70 Hz

Digital signal processor section

*Only for STR-GA8ES

**Only for sound fields with a CENTER LEVEL parameter (see page 22).

Equalizer	Band
(STR-GA8ES only)	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
TONE	±8 dB at 100 Hz and
(STR-GA7ES only)	10 kHz
FM tuner section
Tuning range	87.5 - 108.0 MHz
Antenna	75 ohms, unbalanced
terminals

Amplifier section

POWER OUTPUT
Stereo mode	8 ohms 20 Hz - 20 kHz,
	STR-GA8ES:
	120 W + 120 W
	STR-GA7ES:
	90 W + 90 W
Surround mode	8 ohms at 1 kHz,
	THD 0.8 %
	STR-GA8ES STR-GA7ES
Front	120 W/ch	90 W/ch
Center	120 W	90 W
Rear	50 W/ch	40 W/ch
Dynamic power	STR-GA8ES:
output	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
Harmonic	Less than 0.05 %
distortion at
rated output
Frequency	PHONO: RIAA
response	equalization curve
	±0.5 dB
	CD, TAPE, DAT/MD,

TV, LD, VIDEO 1, 2:

+0

10 Hz - 50 kHz–1dB

(Direct Pass)

26EN

Modulation

(A/D conversion)*

Demopnstration (D/A conversion)*

Sampling frequency*

Surround

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:

15.0ms - 30.0 ms, 0.1 ms step (STR-GA8ES)

15.0ms - 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

Sensitivity	Mono: 18.3 dBf, 4.5 µV
	Stereo: 38.3 dBf, 45 µV
Usable sensitivity	11.2 dBf, 2 µV (IHF)
S/N	Mono: 76 dB
	Stereo: 70 dB
Harmonic	Mono: 0.3 %
distortion at	Stereo: 0.5 %
1 kHz
Separation	45 dB at 1 kHz
Frequency	+0.5
	30 Hz - 15 kHz –2dB
response
Selectivity	60 dB at 400 kHz
AM tuner section
Tuning range	With 10 kHz interval*:
	530 - 1710 kHz
	With 9 kHz interval:
	531 - 1710 kHz
Antenna	Loop antenna
Usable sensitivity	50 dB/m (at 1,000 kHz or
	999 kHz)
S/N	54 dB (at 50 mV/m)
Harmonic	0.5 % (50 mV/m,
distortion	400 kHz)
Selectivity	At 9 kHz: 35 dB
	At 10 kHz: 40 dB