6
 
Features
 
Amplifier
 
• 75 Watts/Channel @ 8 ohms (FTC) (TX-SR506)
• 80 Watts/Channel @ 8 ohms (FTC) (TX-SR576)
• 130 Watts/Channel @ 6 ohms (IEC)
• 160 Watts/Channel @ 6 ohms (JEITA)
• WRAT-Wide Range Amplifier Technology 
(5Hz–100kHz bandwidth)
• High-Current Low-Impedance Drive (TX-SR506)
• Optimum Gain Volume Circuitry
• H.C.P.S. (High Current Power Supply) Massive High 
Power Transformer
 
Processing
 
• Dolby Digital Plus
 
*1
 
 (TX-SR576)
• Dolby Digital EX and Pro Logic IIx
 
*1
 
• DTS and DTS-ES, DTS 96/24 and DTS Neo:6 Pro-
cessing
 
*2
 
• Pure Audio Mode (On models other than the North 
American model)
• Direct Mode
• Music Optimizer
 
*3
 
 for Compressed Music
• CinemaFILTER
• Non-Scaling Configuration
• A-Form Listening Mode Memory
• 24-bit/192kHz D/A Converters
•Powerful and Highly Accurate 32-bit DSP Processing
 
Connections
 
•3 HDMI
 
*4
 
 Inputs and 1 Output
• Onkyo RIHD for System Control (TX-SR576)
• HDTV-Ready Component Video Switching 
(2 Inputs/1 Output)
•4 Digital Inputs (2 Optical/2 Coaxial/4 Assignable)
•3 S-Video Inputs/2 Outputs
•Powered Zone 2
• Color-Coded 7.1 Multichannel Inputs (Ready for 
Dolby Digital and DTS Formats for High-Definition 
Discs)
• Subwoofer Pre Outs
 
Miscellaneous
 
• 40 AM/FM Presets
• Audyssey 2EQ
 
*4
 
 Room Correction and Speaker Cali-
bration
• Audyssey Dynamic EQ Loudness Correction 
• Crossover Adjustment 
(40/50/60/80/100/120/150/200Hz)
• A/V Sync Control Function (up to 100 ms)
• Theater Dimensional Virtual Surround Function
 
*6
 
• Compatible with RI Dock for the iPod
• Preprogrammed -Compatible Remote
 
*1
Manufactured under license from Dolby Laboratories. Dolby, 
Pro Logic and the double-D symbol are trademarks of Dolby 
Laboratories.
*2
Manufactured under license under U.S. Patent #’s: 5,451,942; 
5,956,674; 5,974,380;5,978,762; 6,226,616; 6,487,535; 
7,003,467; 7,212,872 & other U.S. and worldwide patents 
issued & pending. DTS, DTS Digital Surround, ES, and Neo:6 
are registered trademarks and the DTS logos, Symbol and DTS 
96/24 are trademarks of DTS, Inc. ©1996-2007 DTS, Inc. All 
Rights Reserved.
*3 Music Optimizer™ is a trademark of Onkyo Corporation.
*4
HDMI, the HDMI logo and High Definition Multimedia Inter-
face are trademarks or registered trademarks of HDMI Licens-
ing, LLC.
*5
Manufactured under license from Audyssey Laboratories. U.S. 
and foreign patents pending. Audyssey 2EQ and Dynamic EQ 
are trademarks of Audyssey Laboratories.
*6
Theater-Dimensional is a trademark of Onkyo Corporation.
* Apple and iPod are trademarks of Apple Computer, Inc., regis-
tered in the U.S. and other countries.
* “x.v.Color” is a trademark of Sony Corporation.
TX-SR506En.book Page 6 Friday, February 29, 2008 5:31 PM