TX-SR508 7.1-Channel 3-D Ready Home Theater Receiver
 

Onkyo Once Again Brings Advanced Features to Entry-Level Home Theater

At Onkyo, our mission is to deliver outstanding audio and video quality to your home, no matter what budget you’re on. With the 7.1-channel TX-SR508, you get an entry-level home theater centerpiece built to unleash the potential of your favorite entertainment sources. The TX-SR508 arrives brimming with processing and connectivity features previously unheard of at this level: Four 3D-ready HDMI® 1.4a inputs for connecting your high-definition sources; Studio master-quality HD audio formats from Dolby and DTS; Dolby® Pro Logic® IIz for new surround-sound possibilities; Powered Zone 2 and bi-amping for more speaker flexibility; and a Universal Port and front-side input for connecting peripherals and portable devices. Meanwhile, Audyssey volume and equalization technologies ensure comfortable listening and a room-fitting soundstage. Underpinning it all is decades of Onkyo amplifier expertise in the form of WRAT (Wide Range Amplifier Technology) and a high-current, low-impedance drive.

Special Features

  • Four 1080p capable HDMI inputs (V1.4a repeater)
  • WRAT technology and discrete amp construction for cleaner sound
  • TrueHD/DTS-HD decoding to support the latest Blu-ray technology
  • Optional iPod Dock / HDradio module via proprietary U.Port
  • 4 DSP Gaming Modes: Rock, Sports, Action, and Role Playing
  • Audyssey Dynamic Volume™ to Maintain Optimal Listening Level
  • Audyssey 2EQ w/ Dynamic EQ

Amplifier
# Channels 7.1
Power (8ohms 20-20kHz 0.08%) /Ch 80W
Power (8ohms 20-20kHz 0.05%) /Ch -
THX Certified -
Continuous 6ohms Rated
Certified 4ohms performance -
All Discrete Circuitry
3-Stage Inverted Darlington Circuitry -
Dual PUSH-PULL Design -
Independent Block Construction (Amp/Preprocessor) -
Toroidal Transformer -
Independent Power Supply -
Bi-amp Capability For Front
BTL Capability For Front -
Processing
DOLBY Decoder True HD, DD Plus, PLIIz
DTS Decoder DTS-HD Master Audio
Dolby PLIIz
ONKYO GAME Surround Modes
DTS Surround Sensation Speaker / Headphone - / -
Neural Surround -
THX Processing Mode -
Audyssey Dynamic EQ
Audyssey Dynamic Volume
Direct/Pure Mode - / ✓
Music Optimizer
192K/24 Bit DACs ✓ (Burr-Brown)
VLSC -
isf Certified Calibration Control -
Connectivity
Audio I/O 6 / 2
Phono Input -
Digital Audio IN (OPT/COAX) 2 / 2
Digital Audio OUT (OPT/COAX) -
Composite I/O 5/ 1
S-Video I/O -
Component Video I/O 2 / 1
Front-Panel A/V L / R / V
Front-Panel Optical -
Front-Panel Portable input (stereo mini jack)
HDMI I/O 4 / 1
HDMI Version V1.4a (supporting 3D video and Audio Return Channel)
Component Video Upconversion -
Analog To HDMI UpConversion -
1080i Upscaling -
1080p Upscaling -
Multi-Channel Input -
Analog Pre-Outs Sub
Speaker A/+B -
Powered Zone2
Zone 2 Line Out
Zone 2 Video Out -
Zone 3 Line Out -
U-Port
iPod Ready ✓ (optional UP-A1)
HD Radio Ready ✓ (optional UP-HT1)
XM Radio Ready -
SIRIUS Radio Ready
Internet Radio Capable -
Streaming Audio From PC -
Streaming Audio From USB memory -
Integration Access
RS-232 -
IR Input -
Ethernet -
ONKYO-RI System Control
12V Trigger -
Miscellaneous
Pre-Pro/Learning Remote - / ✓
Back-Lit Remote -
On Screen Remote Programming -
Bi-directional Remote Setup via GUI -
Activity Based Remote -
Color-Coded Speaker Terminals
Auto Speaker Calibration W/Mic. ✓ (Audyssey 2EQ)
OSD Out ✓ (basic overlay)
Solid Aluminum Front -
Warranty 2 YEARS
Amplifier Section
Power Output
Front L/R80 W + 80 W (8 ohms, 20 Hz–20 kHz, 0.08%, 2 channels driven, FTC)
100 W + 100 W (6 ohms, 1 kHz, 0.1%, 2 channels driven, FTC)
Center80 W + 80 W (8 ohms, 20 Hz–20 kHz, 0.08%, 2 channels driven, FTC)
100 W + 100 W (6 ohms, 1 kHz, 0.1%, 2 channels driven, FTC)
Surround L/R80 W + 80 W (8 ohms, 20 Hz–20 kHz, 0.08%, 2 channels driven, FTC)
100 W + 100 W (6 ohms, 1 kHz, 0.1%, 2 channels driven, FTC)
Surround Back L/R80 W + 80 W (8 ohms, 20 Hz–20 kHz, 0.08%, 2 channels driven, FTC)
100 W + 100 W (6 ohms, 1 kHz, 0.1%, 2 channels driven, FTC)
Dynamic Power180 W (3 ohms, 1 ch)
160 W (4 ohms, 1 ch)
100 W (8 ohms, 1 ch)
THD (Total Harmonic Distortion)0.08% (Rated power)
Damping Factor60 (Front, 1 kHz, 8 ohms)
Input Sensitivity and Impedance200 mV/47 k-ohms (Line)
Output Level and Impedance200 mV/2.2 k-ohms (Rec out)
Phono Overload-
Frequency Response5 Hz–100 kHz/+1 dB, -3 dB
Tone Control±10 dB, 50 Hz (Bass)
±10 dB, 20 kHz (Treble)
Signal-to-Noise Ratio106 dB (Line, IHF-A)
Speaker Impedance6 ohms–16 ohms
Video Section
Input Sensitivity/Output Level and Impedance
Video1 Vp-p/75 ohms (Component)
0.7 Vp-p/75 ohms (Component PB/CB, PR/CR)
1 Vp-p/75 ohms (Composite)
Component Video Frequency Response5 Hz–50 MHz, -3dB
Tuner Section
Tuning Frequency Range
FM87.5 MHz–107.9 MHz
AM530 kHz–1,710 kHz
FM/AM Preset Memory40 stations
General
Power SupplyAC 120 V, 60 Hz
Power Consumption3.9 A
Dimensions (W x H x D)17 1/8 x 5 15/16 x 12 15/16 (in)
Weight19.0 lbs. (8.6 kg)