HT-S680 6.1-Channel Home Theater System
 

Let’s be realistic. While today’s home theater can offer an endless list of features, it’s definitely in your interests to focus on the fundamental functions that contribute to sublime sound and pristine video images. This is what we’ve accomplished with the HT-S680. Using Onkyo’s proprietary technology and approach to circuit design—WRAT (Wide Range Amplifier Technology) and Optimum Gain Volume Circuitry—we have the base for a noiseless signal without distortion, even at lower frequencies. The inclusion of 192 kHz/24-bit digital-to-analog converters for all channels also significantly contributes to the accuracy and purity of the signal. Instead of overloading the receiver with surround sound decoders, we’ve included all that you need for your stereo/multichannel audio and video sources (with a superior 32-bit DSP microprocessor for processing). The HT-S680 is equipped for Super Audio CD and DVD-Audio playback, and the HT-S680 is ready for the iPod via RI compatibility* (see features). We think that the proof is in the performance. We think you’ll agree.

Receiver Section
Power Output (8 ohm, 1 kHz, FTC) 100 W/Ch
Dynamic Power* (4 ohm) 155 W/Ch
Discrete Output Stage x
Audio Input/Output Terminals 5/2
Subwoofer Pre Out x
Acoustic Control
Preset Station Naming x
APR (Automatic Precision Reception) System
Automatic/Manual Tuning x
Sleep Timer x
Headphone Jack
RI-Compatible Remote Control x
DVD/CD Player Section
DTS/Dolby Digital/Digital Audio Output
Progressive Video Output
Playback DAC
Video DAC
Dynamic Range Control
Video Black Level Control
Digital Outputs
Analog Audio Output
S-Video Output
Picture Magnification
Programmed Memory Playback
Random Playback
Number of Repeat Modes
Shuffle/Random Play
Direct Track Access
Speaker Section
Type
Front 3-1/8" Cone, 3/4" Dome
Center 3-1/8" Cone x 2, 3/4" Dome
Surround 3-1/8" Cone, 3/4" Dome
Surround Back 3-1/8" Cone, 3/4" Dome
Subwoofer 30 Hz-150 Hz
Nominal Impedance
Input Impedance(Subwoofer) 15 kohm/Line
Max. Power
Front (Input) 100 W
Center (Input) 100 W
Surround (Input) 100 W
Subwoofer (Output) 150 W
Frequency Response
Driver(s)
Subwoofer 8" Cone
Receiver Section
Power Output (8 ohm, 1 kHz, FTC)100 W/Ch
Dynamic Power*210 W/Ch/155 W/Ch/105 W/Ch
THD (Rated Power)0.08 % (all channels)
Frequency Response10 Hz-100 kHz (+ 1 dB, - 3 dB)
Damping Factor (8 ?)60
S/N Ratio100 dB (IHF-A)
Usable Sensitivity
Acoustic Control 1+/- 10 dB at 50 Hz/+/- 10 dB at 20 kHz
FM87.5 to 107.9 MHz (50 kHz steps)
AM30 uV
FM Mono11.2 dBf, 1.0 uV (75 ohm IHF)
FM Stereo17.2 dBf, 2.0 uV (75 ohm IHF)
S/N Ratio (FM Mono/FM Stereo/AM)76 dB (IHF-A)/70 dB (IHF-A)/40 dB
THD (FM Mono/FM Stereo/AM)0.2 %/0.3 %/0.7 %
FM Stereo Separation45 dB at 1 kHz, 30 dB at 100 Hz-10 kHz
DVD Section
Signal Readout System-
Frequency Range
Single Layer/Dual Layer-
DVD Linear Sound (DVD Audio)-
Harmonic Distortion (1 kHz)-
Audio Dynamic Range-
S/N Ratio-
Wow and Flutter-
Video Output-
S-Video Output-
Component Video Output-
CD Section
Signal Readout System-
Reading Rotation-
Linear Velocity-
Error Correction System-
DAC-
Number of Channels-
Frequency Response-
Wow and Flutter-
General
Dimensions (W x H x D)
Front5-13/16" x 7-15/16" x 4"
Center14-13/16" x 5" x 5-3/16"
Surround5-13/16" x 7-15/16" x 4"
Subwoofer9-1/4" x 20-3/8" x 16-3/16"
Surround Back5-13/16" x 7-15/16" x 4"
Weight19.6 lbs.
Front/Center/Surround/Subwoofer/Surround Back2.0 lbs./3.5lbs./1.5lbs./28.2lbs./1.5 lbs.
Speaker
Nominal Impedance
Front/Center/Surround/Subwoofer/Surround Back8 ohm/8 ohm/8 ohm/8 ohm
Input Impedance (Subwoofer)15 kohm/Line

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