
The TX-SR55 has more in common with higher end (and higher priced) surround AV receivers than other "entry-level" models. With 7.1 processing and powered second zone capability, your commercial space can become a private concert hall.
Audio Performance
Unlike typical "entry-level" receivers, the TX-SR55 boasts 7.1 channels including the latest in surround decoding and processing, as well as high-quality digital-to-analog converters. High current power, combined with proprietary wide-range amplifier technology, define this receiver as anything but entry-level or typical.
Video Performance
A competent receiver must be able to cope with the myriad of sources available for AV applications today. The component video inputs are capable of passing high-definition (HD) signals for superb video quality. All composite and S-video inputs are converted to component video using time-base correction circuitry to correct video timing errors, which makes the video system easier to connect and operate.
A-BUS
The TX-SR55 includes connections for this simple, elegant multi-room audio distribution system. With A-BUS, a single wire to each room carries the audio and control signals to an easy-to-use in-wall keypad. And with its built-in IR repeating system, you can use the TX-SR55's remote control to operate the system from any room.
Musical Mobility
At Onkyo we understand that you don't live and work in only one room. Why then would you want your music to be confined to only one location? The TX-SR55 answers the call with its variety of second room features, like its ability to power an additional pair of speakers in another room while still maintaining 5.1 channels in a surround application.
Power Supply AC 120 V, 60 Hz
Power Consumption 6.7 A
Amplifier Section
Power Specifications
Power Output* (8 ohm, 20 Hz - 20 Khz, FTC)
Front L/R 85 W/Ch
Center 85 W
Surround L/R 85 W/Ch
Surround Back 85 W/Ch
Power Output* (6 ohm, 1 Khz,Ftc)
Front L/R 110 W/Ch
Center 110 W
Surround L/R 110 W/Ch
Surround Back 110 W/Ch
Dynamic Power** (Front)
3 ohm 220 W/Ch
4 ohm 165 W/Ch
8 ohm 100 W/Ch
THD (Rated Power) 0.08 % (all channels)
Damping Factor (1 Khz, 8 ohm) 60
Input Sensitivity And Impendance
Phono Mm
CD And Tape Play 200 mV, 47 kohm
Output Level And Impedance
Tape Rec 200 mV, 470 ohm
Pre Out 1.0 V, 470 ohms
Frequency Response 5 Hz-100 kHz
S/N Ratio
Phono (Mm)
CD/Tape 106 dB (IHF-A, 0.5 V input)
Phono Overload (1 Khz)
Tone Controls
Bass ± 10 dB at 50 Hz
Treble ± 10 dB at 10 kHz
Tuner Section
Usable Sensitivity
FM Mono 11.2 dBf, 1.0 uV (75 ohm IHF)
FM Stereo 17.2 dBf, 2.0 uV (75 ohm IHF)
AM 30 µV
S/N Ratio
FM Mono 76 dB (IHF-A)
FM Stereo 70 dB (IHF-A)
AM 40 dB
THD
FM Mono 0.2 %
FM Stereo 0.3 %
AM 0.7 %
FM Stereo Separation 45 dB at 1 kHz, 30 dB at 100 Hz-10 kHz
General
Dimensions (W X H X D) 17 1/8 x 6 7/8 x 16 15/16
Weight 29.5 lbs./13.4 kg
Supplied Accessories AM loop antenna, FM antenna, Remote control (RC-585M)
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