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  • Onkyo TX-SR674 7.1 Channel Up-Converting A/V Receiver (Black) (Discontinued by Manufacturer)
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Onkyo TX-SR674 7.1 Channel Up-Converting A/V Receiver (Black) (Discontinued by Manufacturer)

by Onkyo
| 5 answered questions

Available from these sellers.
  • 95 watts per channel minimum into 8 ohms, 20 hz-20khz, 0.08%, FTC
  • WRAT - Wide Range Amplifer Technology
  • VLSC - Vector Linear Shaping Circuitry for all channels
  • 2 HDMI inputs and 1 output
  • Composite to S-Video upconversion
1 refurbished from $500.00
This item’s packaging will be visible when delivered and cannot be gift-wrapped.

Product Specifications

Color: Black
Brand NameOnkyo
Output Wattage95 watts
Color NameBlack
Special Features7 Identical full-bandwidth channels, 10 Hz-100 kHz Extended frequency response (+ 1 dB, - 3 dB), HDMI video upconversion, Cinema Re-EQ, THX surround EX and THX certified

Technical Details

Color: Black
  • 7 Identical full-bandwidth channels
  • 10 Hz-100 kHz Extended frequency response (+ 1 dB, - 3 dB)
  • HDMI video upconversion
  • Cinema Re-EQ
  • THX surround EX and THX certified

Product Details

Color: Black
  • Item Weight: 8 pounds
  • Shipping Weight: 29.8 pounds
  • Shipping: Currently, item can be shipped only within the U.S.
  • ASIN: B000H9C8KO
  • Item model number: TXSR674
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (57 customer reviews)
  • Amazon Best Sellers Rank: #248,347 in Electronics (See Top 100 in Electronics)
  • Product Warranty: For warranty information about this product, please click here
  • Date first available at Amazon.com: April 18, 2005

Product Description

Color: Black

Product Description

Onkyo 7.1 HDMI Up Conversion A/V Receiver TXSR674


To move to a level beyond 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 High-Definition Multimedia Interface (HDMI) and connectivity with the latest high-definition disc formats. Capping it off with Audyssey 2EQ™ room acoustics correction technology, the TX-SR674 stands out as one of the more complete A/V receivers in its class.

Special Features

  • HDMI 2 Input / 1 Output, 1080p bandwith - ready for next generation DVD players
  • Auto Speaker Calibration with Audyssey 2EQ - Creates an optimal listening area, not a point - perfect for families
  • Video Upconversion to HDMI with deinterlacing - ensuring your video looks the best on the newest tv's

Key technology Features:
192 kHz/24bit AD Converters: Costly, extremely powerful digital-to-analog converters , that not only boast a dynamic range of 120 dB, they process information faster and are virtually resistant to clock jitter, to ensure the best possible performance from DVD-Audio, DVD-Video and audio CD.

Dolby Digital EX / Pro-Logic IIx: Home theater realism reaches new heights with the creation of Dolby Digital EX. By adding a matrix-encoded surround back channel derived from the existing discrete left and right surround channels, the lack of rear surround in 5.1 channel is eliminated. The result - a fuller 360º experience is created…even from 5.1-channel DVD releases. Best results are obtained when Dolby Digital EX is used with movie soundtracks recorded with Dolby Digital Surround EX. Pro-Logic IIx is the latest improvement on the original Pro-Logic and subsequent Pro-Logic II standards. Pro-Logic IIx adds post-processing to 5.1 channel and stereo signals, creating a realistic 7.1 channel surround environment from 5.1 channel movies and stereo sources, such as CD, Tape, FM Radio.

NeuralSurround: Neural Surround™ represents the latest advancement in surround technology developed for music and is adopted by XM Satellite Radio for digital radio broadcast of surround recordings and live events in surround sound. Neural Surround™ employs psychoacoustic frequency domain processing which allows delivery of a more detailed sound stage with superior channel separation and localization of audio elements. System playback is scalable from 5.1 to 7.1 multi channel surround playback.

VLSC (Vector Linear Shaping Circuitry): Conventional D/A conversion methods reduce digital pulse noise at the conversion stage but can’t remove it completely. Previously only found on our high-end components, VLSC (Vector Linear Shaping Circuitry) employs a unique D/A conversion circuit to overcome this problem. Data is converted between sampling points and these points are joined with analog vectors in real-time to produce a smooth output wave form. The result — a virtually noiseless, smooth analog signal based on the digital source to bring out even the most subtle of nuances in your music, movie soundtracks and even MP3s.

XM Ready: The XM "Connect-and-Play," is a revolutionary technology platform designed to integrate XM into virtually any home or portable consumer electronics entertainment device. By matching XM Ready® audio systems with a simple, elegant antenna/receiver, getting XM becomes even easier for home audio listeners.

CinemaFILTER: The tonal balance of a film soundtrack can be edgy and bright when played back over audio equipment in your home—this is because film soundtracks are designed to be played back in large theaters, using commercial equipment. Onkyo has developed its own solution that restores the correct tonal balance of a movie soundtrack in the smaller environs of your home theater.

DTS-ES 96/24 Neo6: There are two DTS®-ES™ (Extended Surround) formats: DTS®-ES™ Discrete 6.1 and DTS®-ES™ Matrix 6.1. The DTS®-ES™ Discrete 6.1 format is, as the name implies, a 6.1-channel system with a discrete back surround channel, while DTS®-ES™ Matrix 6.1, like Dolby® Digital Surround EX™, provides a matrix-encoded back surround channel. There’s also DTS® Neo:6, which derives a 6-channel surround output from a stereo soundtrack, and regular DTS®, which, like Dolby® Digital, is a discrete 5.1-channel system, but which uses less compression than Dolby® Digital. Receivers carrying the "96/24" designation are able to decode a new high-resolution audio format, DTS-96/24. This breakthrough allows for high quality, 5.1 channel audio encoded at 96kHz/24-bit resolution to be stored on a DVD-Video disc (or the DVD-Video portion of a DVD-Audio disc). This format is compatible with all DVD players, with those able to pass a 96kHz signal providing the highest quality output (DTS-96/24 is also backwards compatible with older 48kHz DVD player models).

HDMI Video Upconversion: Converts incoming composite, S-Video signals (like a VCR to S-Video equipped TV), and component signals all the way to HDMI on most models.

Powered Zone 2: By dedicating a pair of channels on receivers with this capability, you don’t need an external amplifier to enjoy an independent stereo audio source in a remote room. For example, on higher-end models this allows for a full 5.1 channel movie to be enjoyed in the home theater, while simultaneously sending a song from a CD (or other source) to speakers in another room.

WRAT (Wide Range Amp Technology): Imagine turning up the volume and filling your entertainment room with noise-free, impressively powerful, true-to-life sound. That's the benefit of Wide Range Amplifier Technology. Originally developed for our most expensive high-end amplifiers to handle the sonic demands of today's digital age, you'll now find WRAT even in our lowest-priced A/V receivers. The WRAT family of technologies includes a broader frequency range with lower noise entering the signal path – perfectly suited for new high resolution DVD-Audio and SACD formats.

Customer Questions & Answers

Customer Reviews

Sound setup was easy.
Amazon Customer
I have a Dish Network HD DVR running into the receiver via HDMI, as well as a Samsung combo DVD/VCR.
Michael Boulder
The receiver works well as a pass through for my 2 HDMI connections (cable, DVD).
C. James Cummings

Most Helpful Customer Reviews

40 of 42 people found the following review helpful By Amazon Customer on December 24, 2006
Color Name: Black
I bought this at Circuit City for $699, but it was worth it due to the financing offer along with the other equipment I bought along with it (Sony 46" XBR2 LCD TV, Harmony 880 remote, and some other miscellaneous Xmas gifts). You can definitely get it for much less on Amazon.

The performance is quite good. The sound is excellent. The automated speaker sound set up is simple and easy. The video processing is a little difficult to set up, but works well once it is complete. The main reason I got this was to run all my video sources through one machine and only have one cord running up my wall to my flat screen. I hate cords being visible and by converting everything to the HDMI cable, I avoid the usual jumble of cords.

The only cons are that the 674 only up-converts analog to 480i or in some cases 480p. So, other than up-converting the analog signals, it doesn't really up-convert anything else. It only passes along the digital signal at whatever resolution it is recieving it at - if 720p comes in then 720p goes out. As I understand it, this is really all you can do anyway, because up-converting a lower signal to a higher one does not really result in a better picture anyway - it pretty much will be equivalent to whatever the source resolution is.

The other issue is that this receiver is on the HDMI 1.1 format I beleive. Most up to date format is 1.3. Not a huge deal, but the more recent formats pass more signals, for example, SACD audio is not compatible with 1.1, but I think it is with 1.2 and above. Again, not a huge deal for my usage, since I am really using it for DVD and HD satellite and it passes all those signals with no problems. I am waiting to have my Directv HD DVR (HR20 is the model I think) installed in a couple weeks - my expectation is that this signal will pass through the Onkyo with no problems. Will update this comment if any negatives. Otherwise I definitely recommend this receiver.
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25 of 25 people found the following review helpful By Amazon Customer on January 15, 2007
Color Name: Black
My setup:
* Receiver: Onkyo TX-SR674.
* 5.1 Speaker setup - Polk Audio: Monitor 70 fronts + Monitor 40 Surrounds + CS2 Center + PSW12 Subwoofer.
I am thrilled with my new Onkyo TX-SR674. The feature that I love best is the single HDMI out to my TV. I can connect any component to the receiver and all I need is a single HDMI cable to my TV from the receiver - it doesn't matter if your video sources are a VCR, DVD Player, Cable, etc., all get routed through the single HDMI out to your TV. The setup was pretty painless and the HDMI switching feature works wonderfully. The receiver comes with Audessey auto-setup which takes care of setting up your speakers. The sound is awesome - my games, DVDs as well as my audio CDs sound amazing. Most of all, the price is awesome given the features.
The only points to note are:
* You have to read the manual to set it up - you can't setup from intuition to get the right sound and setup. You may need to research some of the technical jargon on the internet.
* It seems to generate some heat - make sure your cabinets are properly ventilated.
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15 of 15 people found the following review helpful By zebrausa on December 9, 2006
Color Name: Black
I really like this receiver. Even with my cheap $50 speakers, the sound is crisp and clear . This receiver has excellent speaker separation. The HDMI functions well; however, the skin tones have too much saturation going through the receiver. I adjusted the red tone down and now the picture on my 37in HD LCD tv looks great. My equipment hook-up was very easy too. The remote is great; it only took about 5 minutes to program all my component's codes. Everything works as advertised. I have my computer hooked up to this receiver and the sound is also good. Remember to read the manual well before hook up. I highly reccomend.
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10 of 10 people found the following review helpful By Bruce Elting on February 18, 2007
Color Name: silver Verified Purchase
I'm running my Toshiba DVD into it with component video and coax audio, my old RCA VCR with video and stereo rca jacks and my Dish HD DVR with HDMI. Video output is the single HDMI to a Panasonic 1080i plasma. Picture quality is great. Sound is very good, even with my old Bose 301's and cheap kenwood suround speaker. The self adjust on the sound levels never worked, but manual adjustments went fine. The unit does run quite hot. I adjusted my home entertainment cabinet to give more air space around it and added holes to the back. The remote works for all my components basic commands, that's a first for any remote I have ever had.

Update-I've now had this for 2 years. I run a Panasonic BR and cable HD-DVR into the HDMI inputs. I upgraded the sub-woofer to a Yamaha powered sub-woofer. I use the remote speaker outputs for audio in the rest of the house.

I would like more HDMI inputs. But I still love that this is a switching unit for HDMI. BUT...the picture goes blank every once in a while for a few seconds. Other than that, it's still a great unit.
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5 of 5 people found the following review helpful By Amazon Customer on June 28, 2007
Color Name: Black
The good: the audio setup is a breeze with the included microphone, the HDMI switching works fine with my HD sources (an up-converting DVD player and a DirecTV DVR), the audio and video quality are excellent. And the price is under $500.

The bad: there are only 4 video input ports available on the back of the unit. In spite of its having 4 composite, 3 component, and 2 HDMI ports, you can still only have a total of 4 in use. You assign component and HDMI ports to override a composite port.

The remote is really bad. Lots of really little buttons that change function based on what mode the remote is in, with nothing backlit. And it includes a "Test Tone" button (replaces the audio with a test tone rotating through each speaker) that you really don't want to hit by accident while watching a movie. This is located with the DVD control buttons.

I think that any HDMI-switching receiver is going to end up being replaced in a few years when you'll have more than one or two HD feeds. This is a very good choice for the interim.
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