Showing posts with label power. Show all posts
Showing posts with label power. Show all posts

7/09/2012

Yamaha YAS-71BL Front Surround System (Black) Review

Yamaha YAS-71BL Front Surround System (Black)
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I've been searching for a simple budget out of the box home audio solution that had great sound, ease of use and set up, all the connections I needed and lastly esthetically pleasing and not an eyesore. I looked at all the recommended budget 5.1 and 7.1 system (Onkyo is the best deal for full 5.1 systems) and was frustrated by the price and the over engineered complexity of them all. Real surround sound would be cool but ultimately I just wanted a simple solution with strong, rich sound and any simulated surround would be nice too. I have a Samsung 630 and love the TV but the sound sucks. This YAS-71 sound bar and sub-woofer really have enhanced my home theater experience tremendously. I want to watch all the movies I've already seen in HD again now just to hear them in fuller sound. My wife even likes it, I don't think she's nearly as intimidated by it as much as 5.1 component systems would.
This unit has 4 audio inputs plus a connector for an ipod dock; 3 of the inputs are digital audio inputs (2 optical, 1 coaxial). 1 RCA audio input. I highly recommend using the digital audio inputs to get the best and clearest simulated surround sound. I have a PS3 (my Blu-Ray player), a Toshiba DVD player and my DVR hooked up to the digital inputs and the Yamaha ipod dock hooked up. The ipod dock works well and you can control the ipod to some extent with the remote, though the screen on the front of the bar gives you very minimal information and control for your ipod. There are times I'd rather just select my ipod manually on the ipod itself. My 3G iphone worked with it as well as a 30 gig ipod. They all sounded great.
I have a very boxy, enclosed small to medium sized living room (12' x 18') in an older home and it's perfect for that environment. At volume level 50 (halfway) it really fills the room up with rich sound, at the higher levels it gets surprisingly loud without distortion and blowout. Though If you have a very open or large contemporary living room I wouldn't recommend this system; I'd go with more powerful true surround system where you could space the speakers out to fit the room. This YAS-71 really works best in a room with defined walls to work off of. I wouldn't expect any true surround sound from the YAS-71 but there are times while watching 5.1 DVDs and Blu-rays I notice that some sounds really feel immersive and you can feel the simulated surround effect. Prices have dropped on these recently, they used to retail for $500-$600 and for around $300 this is an exceptional deal.
Positives:
* Easy to set up, there aren't a bunch of wires to run around your room.
* User friendly. Wife friendly.
* 4 audio inputs (3 digital) plus yamaha ipod connector
* Clear, surprisingly powerful, robust simulated 5.1 sound for such a contained unit.
* Great value for the money if you can find it at or under $300
* Looks nice in front of most HDTVs. It virtually matched my piano finished black Samsung.
* Great for enclosed rooms.Negatives:
* No onscreen information and controls on your TV screen, info is only on the soundbar screen. This does not have any video passthrough. (this hasn't been a problem for me though).
* It might not have have all the audio connections you need. Check your setup.
* All the inputs are on the sub woofer, so keep that in mind, you might need longer cables.
* Remote controlling ipod is very minimal.
* ipod dock sold separately ($50-100)
* Not so good for open areas.
Conclusion:
Powerful, clear sound and a good number of inputs for most needs. A simple solution for better home audio. I couldn't be happier with it.

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6/22/2012

GEMINI XPB-1600 1600W Professional Power Amplifer Review

GEMINI XPB-1600 1600W Professional Power Amplifer
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I'd have to say, this amp worked perfectly for my application. Can't find ANYTHING wrong with it. :) Cooling fans are a GREAT FEATURE! :D This thing stays VERY COOL under 2 Ohm loads. Probably the coolest operating amp I've come across. I've got this baby hooked up to 2 Alpine SWR-1242Ds (4 Ohm operation) with a Pyle PYX-3X Crossover to "cross" out them high frequencies. I do not believe it's putting out 1600 Watts below 50 Hz, but I bet it IS somewhere along the lines of 1100-1300. It's all wired in 12 Gauge Wire. Maybe Upgrade? ANYWAY, Great product. CRYSTAL CLEAR. :)

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4/02/2012

Pioneer VSX-1016TXV-K 7.1 Channel Audio/Video Receiver Review

Pioneer VSX-1016TXV-K 7.1 Channel Audio/Video Receiver
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Awesome receiver, lots of inputs. Simple and good autoconfiguration. It is able to convert all inputs to component. Don't use the HDMI but its there. I wish it had more than 3 S/PDIF ports but I'm an overly optical kinda person. Cheap receiver with all the features of higher priced ones. Lots of controls on front for the times when you've misplaced your remote (some people find this unattractive but personally like the buttons not covered up). No audio sync feature but it's not really a problem unless your projector or HDTV is slow. You can map component, coxial, and optical ports to any of the sources despite all of them having labels.

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Home entertainment gets a powerful boost with this Pioneer 7.1 channel A/V receiver. High-quality audio and video comes with ultra-convenient connectivity. The receiver's six digital inputs includes two HDMI inputs (and one HDMI output) with 1080p compatibility for the very best in high-definition video. The all-digital HDMI interface eliminates the hassle and mess of wires, with one-cable connections and super-fast transfers of uncompressed - and uncompromised - high-res video content from source to screen. With three HD capable component video inputs, you can connect a progressive scan DVD-player/recorder, an HD gaming console, and an HD cable or satellite set-top box to your receiver and access them with the touch of a button. Add in the ability to receive content in XM-HD Surround powered by Neural Audio*, connect to an iPod player via an optional IDK-01 dock (sold separately), and decode WMA-9 Pro files, and you can also enjoy multi-channel digital satellite radio, iPod player content and PC audio files played through your home theater system. In glorious surround sound. Pioneer's patent pending Sound Retriever technology even enhances compressed audio formats to give them more dynamic range and acoustic impact. Don't just experience your home entertainment. Immerse yourself in it, with 110 watts across up to seven speakers, THX Select2TM-certified surround sound, and eight advanced concert and cinema surround modes including Dolby Digital EX, DTS ES, and DTS 96/24. All optimized by Pioneer's Digital Core Engine powered by dual 48-bit Freescale DSP processing LSIs. Go ahead, and turn it up. Pioneer's ultra-efficient Advanced Direct Energy Amplifier design results in extremely low energy loss, so you can play it loud and still enjoy superior sound quality.

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3/01/2012

VELODYNE ACOUSTICS VRP1200 Powered Subwoofer Review

VELODYNE ACOUSTICS VRP1200 Powered Subwoofer
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After reading rave reviews about the VRP 1200 on a popular electronic store website I decided to take the plunge and purchase it to replace my old KLH 100W 8" subwoofer. I expected a dramatic improvement in performance but what I ended up getting was a very underwhelming experience. In fact, I thought the KLH (that I bought for $199)produced more bass, maybe not as clean but it had more impact and "oomph". I guess I should qualify my review by saying that I might have gotten a defective VRP because I just don't know how almost every reviewer gave this speaker a high rating. So when I got the subwoofer (picked it up at the local electronics store), I immediately hooked it up (using Y adaptor) and started popping in movies. The big disappointment was that I had to crank the volume knob on the sub up to 75% in order to hear some semblance of deep bass and even then it wasnt anything close to being "earth shaking". I suspected that maybe my stereo system wasn't up to snuff and so I took the subwoofer to my brother's house who has a top of the line stereo set up and also has a higher end velodyne that shakes the house (at only 25% volume). We tested the VRP using his system and to my dismay it came up with the same results, passable bass but only if you crank up the sub volume control to at least 75%. After that experiment I immediately returned the product and decided to pick up the HSU VTF1 which costs slightly more than the VRP. I hooked it up to my system last night and Boom-shalaka-laka-BOOM! The thing blew the doors off of my basement and the sub power knob was barely at 25%. The HSU is a great product...it has excellent bass, tons of options in the back, etc. Check out their website(Hsu Research). I don't work for Hsu or have any affiliation with them, I'm just a fellow consumer that wanted to share my experience with others so they can make an informed and smart decision about what to buy. In hindsight, I may have gotten a defective VRP but another reason may be because the VRP 1200 only has 130W driving a large 12" woofer, whereas the HSU has 200W driving a 10" woofer. I think that makes a huge difference. If your going to go with a 12" then you need way more power.

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9/27/2011

AudioSource Amp 3 Stereo Power Amplifier Review

AudioSource Amp 3 Stereo Power Amplifier
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When my Adcom GFA-545 died, I was shocked to see the prices for the new Adcom amps. I decided to take a chance on the AMP3 and am very satisfied with the sound and apparent quality of the AMP3. I had a simple question for tech support and was able to reach them by phone with no wait. So far, so good. I just hope it last 15 years like my Adcom. I would then give it 5 stars.

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The Amp 3 stereo power amplifier from AudioSource is a powerful addition to your home audio system and home theater. A simple design houses a high-end, high-power amplifier that is easy to set up and use. AudioSource amplifiers deliver accurate, rich sound, combining high sound-pressure levels and a clear reproduction of even the most subtle details of sound.
The powerful Amp 3 provides up to 150 watts per channel in stereo mode and up to 400 watts in mono. Clean, pure sound is a hallmark of the amplifier with total harmonic distortion of less than 0.04%. In the heart of the amp, the torodial power transformer generates a big sound while reducing distortion by shielding the sound from stray magnetic fields. A peak limiter circuit provides further protection against distortion in your speakers at high volumes. Discrete output devices ensure pure signal fidelity from all sources.
The Amp 3's auto-on feature powers up the amplifier whenever an input signal from an audio source is detected. The unit will shut down automatically when no signal is present. A manual power switch can also be used.
There are two pairs of speaker outputs on the Amp 3. Both outputs can be used simultaneously, as long as the combined impedance does not drop below 2 ohms. With the Amp 3, you can control the volume directly on the unit, or by adjusting the signal source component (such as your receiver, preamp, etc.) Separate channel level controls allow for individual adjustment.
What's in the Box Amp 3 stereo amplifier, power cord, and owner's manual.

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9/15/2011

Harman Kardon Signature Series 2.1 Multichannel Amplifier Review

Harman Kardon Signature Series 2.1 Multichannel Amplifier
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This seems like a really nicely built amp. I bought a demo model for under $500 which makes is a real bargain. It runs warm but not hot to the touch. It sounds very dynamic and clean, I can't detect any kind of coloration from the amp. If anything it's too transparent because it will make bad sources sound as they are: bad. I haven't tried it with any big speakers to see how well the bottom end hits, but the top end seems real good. Very dynamic for movies with my Atlantic Tech. System 270 THX Select speakers. The retail prices are a bit high, for $1200 I'd probably prefer other amps such at Outlaw's Model 750 for $1099 or others from Parasound, B&K or Rotel. But if you can find a decent price on this amp it is a high quality product. It could easily meet THX Ultra specs for power and performance.

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The Signature 2.1's brute-force high-current capability (over 100 amperes!) belies the sonic delicacy and fine detail that this power amplifier is capable of delivering. With an astonishing ultrawide bandwidth of 1kHz to 170kHz (?3dB), the 2.1 provides tight, fast, controlled bass down the lowest reproducible octaves; a panoramic, three-dimensional soundstage; and open, articulate treble. It's warm and natural-sounding at any volume level.Weighing almost fifty pounds, the 2.1 is designed to deliver the full impact of the wide dynamic range of today's movie soundtracks and digital music media. Five separate channels each deliver 100 watts into 8 ohms or 150 watts into 4 ohms, all channels driven 20Hz to 20kHz, with less than 0.03% total harmonic distortion. Yet its efficient design and generous convection heat exchanger totally eliminate the need for noisy forced-air fans.

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7/01/2011

Marantz MM7025 Stereo Power Amplifier (Black) Review

Marantz MM7025 Stereo Power Amplifier (Black)
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I needed a decent power amp to attach to the active equalizer of my Bose 901s which is in turn connected to the front channel pre-outs of my Yamaha RXV667 receiver.
Having never really been a fan of Marantz products for cosmetic reasons (unfair I know) I'm really impressed as it is a really nicely built piece of kit.
I had a very real concern that the presence of a cooling fan grill on the back of the amp was going to result in unwanted noise - it doesn't. In actually fact the internal design of the amp is interesting in that there is a central alloy box section tubular heat-sink running front to back with the cooling fan mounted on the inner end of the tube (so immediately behind the front face plate). The fan seems to be temp sensor triggered and spins very slowly and thus completely inaudible even when one is inches away.
Audio performance is completely transparent - effortless power on demand and absolute silence when on but no signal applied. Perfect!

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