TX-LR552 6.1-Channel Home Theater Receiver

Perhaps you want to maximize space in your entertainment room. Or perhaps you don’t yet feel the need for the dizzying array of inputs and outputs available on our top-end receivers. Either way, the TX-LR552 6.1-channel digital A/V receiver may be just what you’re looking for. Behind its elegant, user-friendly faceplate lurks a wealth of Onkyo know-how. Incorporating our latest digital amplification technology, the TX-LR552 generates full-bodied, discrete 6.1-channel surround sound with 65 W/Ch for all channels. Add the latest multi-channel decoders from Dolby® and DTS®, upconversion to component video for all video sources, and the convenience of automatic speaker detection, and the TX-LR552 has virtually all your home theater needs well and truly covered. Team it up with the DVD player and speakers of your choice, and you have the heart and soul of a great home theater.

Power Specifications
Power Output* (8 ohm, 20 Hz-20 kHz, FTC)
6 ohm Capable
4 ohm Capable
Front L/R 65 W/Ch (6 Ohms)
Center 65 W (6 Ohms)
Surround L/R 65 W/Ch (6 Ohms)
Surround Back 65 W (6 Ohms)
Dynamic Power**
3 ohm (Front)
4 ohm (Front)
8 ohm (Front)
Amplifier Design
Color Coded Speaker Terminals
Identical Full-Bandwidth Channels 6
Reduced NFB (Negative Feedback) Design
WRAT (Wide Range Amplifier Technology)
Non-Scaling Configuration
DACs Linear 96 kHz/24-Bit
High Current Low Impedance Drive
All Discrete Output Stage Amplifiers
Optimum Gain Volume Circuitry
Comb Filter for Composite to S
Digital Upsampling
Home Theater Features
HDMI Video Upconversion
THX Surround EX and THX Certified
Cinema Re-EQ
HDMI Switching Input/Output
Extended Frequency Response (+ 1 dB, - 3 dB) 10 Hz-100 kHz
DTS, DTS-ES Discrete/Matrix 6.1, DTS Neo:6
DTS 96/24
Dolby Digital, Dolby Pro Logic II
Dolby ProLogic IIx
Dolby Digital EX
A-Form Listening Mode Memory
Composite to S-Video Conversion
Composite and S-Video to Component Video Upconvers
Multichannel Input 5.1
Digital Soundfield Processing Modes 4
Late Night Mode
On-Screen Display
Adjustable Digital Delay
Crossover Adjustment
Internet Features
Number of Presets (Internet Radio)
Front-Panel Optical
Audio and AV Inputs 2/3
HDTV-Ready Component Video Input/Output 2/1
Front-Panel Video Input (with S-Video)
S-Video Compatible Jacks Input/Output 3/2
Digital Inputs 2 Optical, 1 Coaxial
Digital Output
Amp In
RS-232 Control Port
IR In/Out
Pre Outs
Front L/R, Center
Surround L/R
Surround Back
Time Base Correction (TBC)
Other Features
Dot-Matrix Display
Display Dimmer
Pure Audio Mode
Enhanced IPOD Compatibility
DS-A1 Compatible
Zone 2 Subwoofer
Zone 2 Composite Video
Zone 2 OSD
Dual Banana Plug Compatible Speaker Terminals
Absolute/Relative Volume Display
Intelli Volume
Sleep Timer (90 minutes; 10-min steps)
Phono Input
Headphone Jack
Zone 2 (Multisource) Line Out
Powered Zone 2
12 Volt Trigger
A/B Speaker Drive
Tuner Features
Number of Presets (FM/AM) 40
RI-Compatible Remote Control Preprogrammed
Macro Function
Amplifier Section
Tone Controls
Front L/R65 W/Ch (6 Ohms)
Center65 W (6 Ohms)
Surround L/R65 W/Ch (6 Ohms)
Surround Back65 W (6 Ohms)
THD (Rated Power)5.0 % (all channels)
Damping Factor (1 kHz, 8 ohm)75
CD and TAPE Play200 mV, 47 k ohms
TAPE REC200 mV, 470 ohms
Frequency Response10 Hz-100 kHz
CD/TAPE100 dB (IHF-A, 0.5 V input)
BASS+/- 12 dB at 100 Hz
TREBLE+/- 12 dB at 20 kHz
Tuner Section
FM Mono0.2 %
FM Stereo0.3 %
AM0.7 %
FM Stereo Separation 45 dB at 1 kHz
Dimensions (W x H x D)17 1/8" x 3 9/16" x 14 7/16"
Weight14.3 lbs./6.5 kg

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