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Showing posts with label thx. Show all posts

Marantz SR8002 Surround Receiver Review

Marantz SR8002 Surround Receiver
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After 9 years, it was time to upgrade my former top-of-the-line Sony ES receiver (STR-DA 777ES) to take advantage of improved audio and high-definition video switching. After reading all the professional reviews, I settled on the Marantz SR8002. Three weeks after an extensive configuration and testing, I must say that I am pleased overall with my choice. However, several surprising configuration limitations keep me from giving it a full-on 5-star review.
Let me preface my review by stating that my home theater / audio configuration is on the higher-end of the scale: 3 KEF Reference speakers for the front 3 channels, Boston Acoustics rear surrounds and subwoofer, Sony ES SACD player (and yes, I have an SACD collection!), Bang & Olfusen turntable, Sony reference DVD player, AppleTV, Roku music server, JVC SVHS VCR, Mitsubishi HDTV monitor.
My first priority was in upgrading the audio quality, and I must say that in this respect, the Marantz SR8002 far exceeded my expectations. As a 7.1 channel amplifier, there are 7 x 125watt channels available, native decoding of the latest lossless HD digital audio on BluRay (DTS-HD and Dolby TrueHD), Audyssey microphone and room equilazation, and THX Select 2 certification. For the ultimate audio experience, the Marantz SR8002 offers two "Pure Direct" modes - the first one bypasses the equalization and surround circuits, the second mode completely disables all video and display logic for even shorter audio output path. The SR8002 also provides a toroidal power transformer for extra headroom when needed, and in my setup the audio performance is dramatic.
I chose not to expand my current 5.1 speaker configuration to 7.1 channel. In this setup, the SR8002 gives you the option of taking the two unused channels and configuring them for a second amplified room/zone, or bi-amplification of your front speakers. I chose the latter, as my KEF Reference speakers support bi-amplified wiring, providing 250 watts per channel into Left and Right channels. Let me tell you - the pure stereo performance in this configuration will blow your socks off! Friends could not believe the sound in our fairly large family room was from 2-speakers only. And, the multi-channel modes (especially NEO6: Music) are quite outstanding even with a 2-channel source. Quite simply, the audio performance of the SR8002 is "7-star" on a 5-star scale.
My second priority was in upgrading to a receiver capable of decoding the high-resolution audio of BluRay, while providing high definition video switching (via HDMI and component). In this respect the receiver delivers, but with some surprising limitations. On paper, the Marantz SR8002 offers more connectors and options than you would ever need. You have 4 HDMI 1.3 connections + 2 HDMI 1.3 outputs (good!), 4 component HD connections + 2 component HD outputs (good!), 4 TOSlink digital audio (including front), 3 coax digital audio, and a plethora of S-video, composite video, and analog audio inputs.
But in reality, there are serious limitations...
First of all, it is inexcusable for a receiver of this cost to be missing a phonograph input. Yes, for $50 you can buy a phono preamp that gives you good performance and doesn't have the A/C hum of your $25 Radio Shack unit. But, come on.
Secondly, and more discouraging, despite the plethora of connections you only have 8 discrete settings that can be assigned. (The AM/FM tuner is another, nonassignable input, as is the optional XM radio input). This means that even if you could connect to all of the analog + digital inputs available you can only use 8 of them! This is quite a surprising and serious limitation. Even my Sony ES from 1999 had 12 discrete inputs!
The on-screen receiver setup lets you assign specific HDMI, component, and digital audio for your 8 choices. Each input can also be renamed. But you cannot use a single digital input for more than one setting. And you cannot reassign the analog video (S-Video/Composite) or analog audio inputs.
An example of this strange limitation is the analog input of the "AUX2" input also happens to be used as the Left and Right input channels for the 7.1 input. I had to reconfigure my setup to reassign the "AUX2" input to the digital CD input, which I also connected to the 5.1 (SACD) output from my CD player. Because there are only 8 input settings, I had to assign the "AUX1" (front) input to the digital audio and video inputs from my AppleTV. This means that the front AUX1 inputs are completely unusable, since all 8 inputs were assigned from rear input sources.
Another big surprise was the subwoofer speaker setting. By default, it is set to "mix"...all bass output is diverted to the subwoofer at an assignable crossover frequency. This works well for (and is recommended for) THX and multi-channel video sources. But strangely in "mix" setting, the SR8002 does NOT output the bass to the subwoofer for two-channel analog inputs AND it does not output the low frequencies to the front speakers. I spent about 3 hours trying to figure out why my new (required) phonograph preamp sounded so terrible before I discovered this problem. Setting the subwoofer to "BOTH" properly sends full-range audio to the front speakers. AND, it enables the subwoofer for the simulated modes such as NEO6. Not only does this not make sense, it is not documented anywhere in the manual.
There are other annoyances:
- FM / AM radio reception is below average. I was looking forward to trying the "HD radio" capability, but the tuner reception is so bad that it can never get a strong enough signal to use any of the HD radio broadcasts in my area. Compared with my 1999 Sony ES receiver using the same antenna configuration I can only tune half of the stations. My CLOCK RADIO gets much better radio reception than this $2000 receiver!
- the front of the receiver has two large controls for Source and Volume - each one has a bright blue LED indicator that does NOT move with the control. So, while you might think that the volume indicator would indicate the volume level it doesn't. The bright blue indicators are always at 12-o clock position. And the front input control does not have a positive feedback to let you know you have switched inputs.
- the remote control button/display backlight is ONLY activated when you press one of the two buttons on the bottom of the remote
- the remote does not offer discrete settings for all surround modes or settings (although thankfully there are discrete power on/off codes)
- the onscreen display is very primitive (think 1982 Apple ][+ 40x24 characters)
In summary, despite the outstanding audio performance of the Marantz SR8002 (once you figure out the subwoofer and other settings!), I cannot give this a full 5-star rating because of the serious limitations and limited inputs.

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Pioneer VSX-1015TXK 7.1 Channel Surround Sound THX Select AM/FM Audio-Video Receiver Review

Pioneer VSX-1015TXK 7.1 Channel Surround Sound THX Select AM/FM Audio-Video Receiver
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For the money, there is no comparable receiver. I've been an audiophile for some 20+ years and this is one of the best values I've ever seen.
I have a relatively complex HDTV system and this receiver works perfectly.
Some of the highlights:
- Switches 3 component video inputs. This is great for HDTV setups.
- Onscreen setup. It makes setup *much* easier.
- Dynamic adjustment to the setup through the use of a microphone. Although I have a sound pressure meter and had gone through a system setup, the auto setup made an obvious improvement to the sound quality.
- Clean, simple looks. Unless you love to see lots of buttons and knobs, it looks good.
- Upconversion from composite and S-video to component. This can dramatically simplify the use of your system.
I highly recommend this receiver. I give it 5 stars because it does exactly what it should for a great price.

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Pioneer's versatile VSX-1015TX 7.1-channel AV receiver delivers a pulse-pounding 120 watts per channel to produce exciting, enveloping sound for your favorite movies and music. The THX Select2-certified receiver also offers an onboard processor for Windows Media Audio 9 Professional (WMA9 Pro), so if you hook up PC or a WMA-compatible optical media player (via an optical or coaxial digital-audio connection) you'll be able to enjoy surround-formatted Web content, too--gaming will never be the same.The VSX-1015TX's amplifier uses high-quality, low-distortion discrete MOSFET technology unique to Pioneer. This generates equal amplifier power for all 7 amplified channels (front left, center, right, mid-rear left/right, and rear left/right), eliminating the possibility of any one channel dominating a particular sound field.Dolby Digital and DTS decoding brings theater sound right into your home with up to 6 discrete channels of surround sound, including a special ".1" LFE (low-frequency effects) channel for deep, realistic sound effects. The built-in Dolby Pro Logic IIx and DTS Neo:6 decoders not only provide full surround sound decoding for Dolby Surround sources, but will also generate convincing surround sound for any stereo source. Also, with the addition of a surround back speaker, you can take advantage of the built-in Dolby Digital EX and DTS-ES decoders for 6.1-channel surround sound. The receiver also offers 8 proprietary Pioneer Advanced Surround modes.Setting up for home theater sound is as easy as connecting your speakers, a DVD player or other source, and your TV. Automatic MCACC (Multi-Channel Acoustic Calibration System) with 5-band equalization offers studio-quality set-up and calibration of your system, and it works in any room. Auto MCACC Setup measures the acoustic characteristics of your listening area, taking into account ambient noise, speaker size and distance, and tests for both channel delay and channel level. After you've set up the microphone provided with your system, the receiver uses the information from a series of test tones to optimize the speaker settings and EQ for your particular room. For complete surround sound control you still have access to the full range of surround sound settings.Connections consist of 5 digital-audio inputs (3 optical, 2 coaxial) and 1 output (optical), 5 each composite- and S-video inputs (with 5 accompanying left/right stereo analog audio jacks), and 3 high-bandwidth (5 Hz to 100 MHz) component-video inputs. The unit offers convenient, high-quality binding-post terminals for all speaker connections (7 plus left/right outputs for a stereo speaker-B output). And you'll also appreciate the receiver's 7.1-channel RCA preamp outputs whenever you're ready to move to higher-power amplification.What's more, the receiver converts S-video and composite-video to component-video signals, so you only need one video connection to your TV/monitor, irrespective of your viewing source.The supplied LCD learning remote control gives you not only complete control over every function of this receiver, but also over the main functions for other components in your home theater system. Using a system of preset codes, you can program the remote to operate a wide range of other equipment.If you often listen to a particular radio station, it's convenient to have the receiver store the frequency for easy recall whenever you want to listen to that station. This receiver can memorize up to 30 stations.The VSX-1015TX bears the THX Select2 logo, which means it has passed a rigorous series of quality and performance tests covering every aspect of the product. This includes testing of preamplifier and power amplifier performance and operation and hundreds of other parameters in both the digital and analog domains, helping to ensure that your home theater experience as faithful as possible to what the studios intended.What's in the Box Receiver, remote control, remote batteries, calibration microphone, FM and AM antennas, a user's manual, and warranty information.

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Sony STR-DG910 7.1 Channel Home Theater Receiver Review

Sony STR-DG910 7.1 Channel Home Theater Receiver
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Easy to set up, the digital cinema auto calibration worked well although it told me my right front speaker was out of phase even though it's not.
The description lists two HDMI in but there are actually three. I used one port for my PVR and the standard definition channels look better now. My old receiver didn't have a port for digital audio in so watching broadcasts in 5.1 surround is a big plus.
The remote is huge. I just tossed it back in the box and set up my Harmony 550 to take care of the most used functions.
For $499.99, this a great deal on a 7.1 surround receiver with 3 HDMI in's and 700+ watts of power.

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