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Introduction
Moving beyond the level of purely functional home theater, the TX-SR674 gives you everything you need for audibly powerful, visually expressive home entertainment. The first consideration should be the essentials—like rock-steady amplifier power and performance through Wide Range Amplifier Technology (WRAT) and the cleanest audio signals generated by Vector Linear Shaping Circuitry (VLSC). And with HDTV in mind, the TX-SR674 also offers upconversion through either High-Definition Multimedia Interface (HDMI) or component video. It’s even compatible with the latest HD DVD players equipped with multichannel outputs. Designed to bring the best out of your room’s unique environment—courtesy of the onboard Audyssey 2EQ™ room acoustics correction technology—the TX-SR674 stands out as one of the more complete A/V receivers in its class.
Features

Click each logo below for its explanation
HDMIDTS (Digital Theater Systems), DTS ES, DTS 96/24 Dolby Digital EX and Dolby Pro Logic IIxComponent Video UpconversionCinemaFILTER192 kHz/24-Bit D/A Audio Converter
WRAT (Wide Range Amplifier Technology)VLSC (Vector Linear Shaping Circuitry)Audyssey 2EQPowered Zone27.1 Multichannel Inputs for High-Definition DVD FormatsRI
HDMI/Component Video Upconversion with TBC
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Audyssey 2EQ™ Room Acoustic Correction
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VLSC (Vector Linear Shaping Circuitry)
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DTS®-ES™ Discrete/Matrix, DTS® Neo:6, DTS® 96/24, Dolby® Digital EX™, Dolby® Pro Logic® IIx

VLSC (Vector Linear Shaping Circuitry) for All Channels

H.C.P.S. (High Current Power Supply) Massive High Power Transformer

192 kHz/24-Bit DACs for All Channels

HDMI and Component Video Upconversion with Time Base Corrector (TBC)

HDTV-Capable HDMI Video Switching (2 Inputs and 1 Output)

HDTV-Capable (50 MHz) Component Video Switching (3 Inputs and 1 Output)

WRAT (Wide Range Amplifier Technology)

Advanced 32-Bit Processing DSP Chip

Audyssey 2EQ™ for Room Acoustics Correction

6 Digital Inputs (4 Optical/2 Coaxial) and 1 Output (Optical)

5 S-Video Inputs and 3 Outputs

Subwoofer Pre Out

CinemaFILTER™

Powered Zone 2 and 12 V Trigger

IR Input

Pure Audio Mode

A-Form Listening Mode Memory

Optimum Gain Volume Circuitry

IntelliVolume

Color-Coded 7.1 Multichannel Inputs (Ready for Dolby® Digital and DTS® Audio Formats or High-Definition Discs)

Color-Coded Dual Banana Plug-Compatible Speaker Posts

Independent Crossover Adjustment for F/C/S/SB (40/50/60/80/100/120/150/200 Hz)

A/V Sync Control Function (Up to 100 ms)

Compatible with RI Dock for the iPod

Preprogrammed RI (Remote Interactive) Remote with Mode-Key LEDs

General Specifications

185 W/Ch, Continuous 6 ohms, 1 kHz, 1 Channel Driven, JEITA

Frequency Response: 10 Hz–100 kHz (+1 dB, -3 dB)

WHD: 435 x 174 x 377 mm

Weight: 11.4 kg

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