TX-SR703 THX Select2 7.1-Channel Home Theater Receiver
 

As the latest incarnation of one of Onkyo’s most popular receivers, the THX Select2 Certified TX-SR703 looks set to excel in the mid-range category. In keeping with its impressive legacy, the TX-SR703 boasts high-grade parts and immaculate construction, along with the ability to integrate effectively with the latest high-definition displays, playback components and high-quality speakers. The key words here are “power” and “precision.” Power, at a robust 100 watts per channel, enough to drive virtually any speaker is combined with precision from our VLSC (Vector Linear Shaping Circuitry) that produces a virtually noise-free signal from all your movie and music sources. Other functions, like crossover adjustment from 40 Hz to 200 Hz with 10/20 Hz steps and speaker placement calibration with Auto Speaker Set-up with Microphone, accurately deliver the low frequencies and enveloping sound that recreate the floor-quaking impact of the cinema, right in your own home.

Power Specifications
Power Output* (8 ohm, 20 Hz-20 kHz, FTC)
Front L/R 100 W/Ch
6 ohm Capable x
4 ohm Capable x
Center 100 W
Surround L/R 100 W/Ch
Surround Back 100 W
Dynamic Power**
3 ohm (Front) 230 W/Ch
4 ohm (Front) 170 W/Ch
8 ohm (Front) 115 W/Ch
Amplifier Design
Color Coded Speaker Terminals x
Identical Full-Bandwidth Channels 7
Reduced NFB (Negative Feedback) Design x
WRAT (Wide Range Amplifier Technology) x
Non-Scaling Configuration x
DACs 192 kHz/24-Bit x 8
High Current Low Impedance Drive x
All Discrete Output Stage Amplifiers x
Optimum Gain Volume Circuitry x
Digital Upsampling x
Comb Filter for Composite to S
HDMI Video Upconversion
Home Theater Features
HDMI Switching Input/Output
Cinema Re-EQ x
THX Surround EX and THX Certified Select2
Extended Frequency Response (+ 1 dB, - 3 dB) 10 Hz-100 kHz
DTS 96/24 x
DTS, DTS-ES Discrete/Matrix 6.1, DTS Neo:6 x
Dolby ProLogic IIx x
Dolby Digital, Dolby Pro Logic II x
Dolby Digital EX x
A-Form Listening Mode Memory x
Composite to S-Video Conversion x
Composite and S-Video to Component Video Upconvers x
Multichannel Input 7.1
CinemaFILTER
Digital Soundfield Processing Modes x
Late Night Mode x
On-Screen Display x
Adjustable Digital Delay x
Crossover Adjustment x
Internet Features
Net-Tune
Ethernet
Number of Presets (Internet Radio)
Inputs
Front-Panel Optical x
Audio and AV Inputs 3/5
HDTV-Ready Component Video Input/Output 3/1
Front-Panel Video Input (with S-Video) x
S-Video Compatible Jacks Input/Output 5/3
Digital Inputs 5 Optical(1 Front Panel), 2 Coaxial
Digital Output 1 Optical
Amp In
RS-232 Control Port
IR In/Out 1/1
Pre Outs
Front L/R, Center x
Surround L/R x
Surround Back x (L/R)
Time Base Correction (TBC) x
Subwoofer x
Other Features
Dot-Matrix Display x
Display Dimmer 3 Levels
Enhanced IPOD Compatibility x
XM-Ready x
Pure Audio Mode x
DS-A1 Compatible x
Dual Banana Plug Compatible Speaker Terminals All Terminals
Zone 2 Subwoofer
Zone 2 Composite Video
Zone 2 OSD
Absolute/Relative Volume Display Absolute
Intelli Volume x
Sleep Timer (90 minutes; 10-min steps) x
Phono Input x
Headphone Jack x
Zone 2 (Multisource) Line Out x
Powered Zone 2 x
12 Volt Trigger 1 (Zone 2)
A/B Speaker Drive
Tuner Features
Number of Presets (FM/AM) 40
Control
RI-Compatible Remote Control Prepro/Learning/Backlit
Macro Function x
Amplifier Section
Tone Controls
Front L/R125 W/Ch
Center125 W
Surround L/R125 W/Ch
Surround Back125 W
3 ohm230 W/Ch
4 ohm170 W/Ch
8 ohm115 W/Ch
THD (Rated Power)0.08 % (all channels)
Damping Factor (1 kHz, 8 ohm)60
PHONO MM2.5 mV, 47 k ohms
CD and TAPE Play200 mV, 47 k ohms
TAPE REC200 mV, 470 ohms
PRE OUT1.0 V, 470 ohms
Frequency Response10 Hz-100 kHz (+ 1 dB, - 3 dB)
PHONO (MM)80 dB (IHF-A, 5 mV input)
CD/TAPE100 dB (IHF-A, 0.5 V input)
Phono Overload (1 kHz)70 mV RMS, 0.5 % THD
BASS+/- 10 dB at 50 Hz
TREBLE+/- 10 dB at 20 kHz
Tuner Section
THD
FM Mono0.3 %
FM Stereo0.5 %
AM0.7 %
FM Stereo Separation 40 dB at 1 kHz
General
Dimensions (W x H x D)17 1/8" x 6 13/16" x 16 15/16"
Weight29.8 lbs.

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