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Overview and description of the AV-receiver Onkyo TX-SR373


The Onkyo TX-SR373 AV receiver is the successor to the SR-343 and is still the most affordable in its lineup. In addition to the updated design, which made the device more attractive externally, Onkyo TX-SR373 slightly changed the set of connectors - in particular, on its front panel appeared USB-port for connecting portable drives with music files.
Despite the quite democratic value, Onkyo TX-SR373 is great for creating a modern home theater in a small room of an average city apartment. The device is easy to set up and use and will provide high-quality sound in computer games, when watching movies or listening to music.
The AV receiver has four HDMI inputs and one output, with the ability to transmit 4K UHD signal. In this model, it was decided to abandon the component video inputs and outputs, which simplified the placement of connectors on the rear panel. Also, the device has three analog and two digital inputs. For connection of the front stoacoustics screw terminals are intended, while for the central and rear speakers spring terminals are used. This is a perfectly acceptable solution in AV-receivers of this price category.
At the same time, Onkyo TX-SR373 is equipped with the system of automatic calibration of ambient sound AccuEQ Room Calibration, which previously did not occur in models of this cost. The device is equipped with HD-format decoders of ambient sound and high-quality modern DAC from the company Burr Brown. There is a flexible crossover tuning for the subwoofer, tone controls for low and high frequencies, and Bluetooth for connecting mobile devices. To control the Onkyo TX-SR373, you can use the informative display on the front panel or convenient on-screen graphics.
Power amplifiers in the AV-receiver are made on discrete components by proprietary technology WRAT and are able to cope even with complex acoustic systems. The device has a completely universal nature of sound for listening to music of various genres, and when watching movies it can accurately transmit the most energetic special effects.

Features of the Onkyo TX-SR373 AV receiver

The most affordable device in the lineup
Power 135 watts per channel at 6 ohm load
AccuEQ Room Calibration Autocalibration System

Characteristics of the Onkyo TX-SR373 AV receiver

Number of channels: 5.1
Output power: 135 W per channel (6 Ω, 1 kHz, 1% CWI, 1 Channel Driven IEC)
Harmonic factor: 0,06% (20 Hz - 20 kHz, half power)
Coefficient of damping: 40 (8 Ohm, 1 kHz, front)
Input sensitivity/impedance: 200 mV/47 kΩ
Output level and impedance: 200 mV/47 kΩ (linear RCA output)
Frequency range: 5 Hz - 100 kHz (+ 1 dB, - 3 dB, Direct mode)
Tones: ± 10 dB, 20 Hz (LF), ± 10 dB, 20 kHz (HF)
Signal to noise ratio: 106 dB (line input)
Impedance of the AU: 6 - 16 Ohm
Tuner FM: 87,5 MHz - 108 MHz
AM tuner: 522 kHz - 1611 kHz; 530 kHz - 1710 kHz
Number of Memory Presets: 30
Built-in decoders (basic): Dolby Digital Plus, DTS-HD High Resolution Audio, Dolby TrueHD, DTS-HD Master Audio
DAC: Burr-Brown (24 bit/192 kHz)
DSP-processor: 32 bits, 4 sound modes
Enhancer for compressed music files: Advanced Music Optimizer
Auto Calibration System: AccuEQ Room Calibration
Support for Bluetooth: version 2.1 + EDR (A2DP v1.2, AVRCP v1.3) with Advanced Music Optimizer
Crossover frequency adjustment: 40/50/60/70/80/90/100/120/150/200 Hz
Inputs: 4 HDMI (HDMI inputs with support for 4k/60Hz, 2 composite, 3 linear (RCA), optical, coaxial, USB-port, measuring microphone
Outputs: HDMI (2.0) (with ARC support), on the subwoofer, 6.3 mm jack for headphones, composite
Playback from USB media: MP3, WMA, AAC
Recommended impedance of acoustics: 6 - 16 Ohm
Other switching: AM and FM antenna jacks
Output terminals for AC: 2 pairs of screw terminals, 3 pairs of push terminals
Power consumption: 210 W, standby: 0,3 W
Dimensions (WxHxD): 435x168x326 mm
Weight: 8 kg
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