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Power Amplifiers

Bryston 28BSST2 Monoblock Power Amplifier

Bryston 28BSST2 Stereo AmplifierLately I had been sampling the Bryston Mini T Bookshelf speakers with my reference amp, a modest Marantz Integrated, and though they matched well I wondered how they would fare with some serious Bryston power behind them. So when Bryston offered up some 28BSST2 's for review I had one stipulation: let me try them with the Mini T's.

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D-Sonic M3-5400-7 Class D Seven-Channel Power Amplifier

D-Sonic M3-5400-7D-Sonic is a company that I had been tangentially aware of for many years due to their direct marketing efforts on websites like Audiogon. The brainchild of Dennis Deacon, D-Sonic was founded in 2006 to make high quality Class D based amplifiers marketed directly to consumers. I had the pleasure of having D‐Sonic's new top of the line 7-channel multi-channel amp in house for a few weeks and am excited to pass on my thoughts.

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Anthem P2 Two-Channel Power Amplifier

Anthem P2 Two-Channel Power Amplifier

Anthem's statement multi-channel power amplifiers are called the P series. They come in two versions, a five-channel (P5) and a two-channel (P2). My home theater test lab has a 200 watt x 5 amplifier which works great for the majority of applications, but it is driving electrostatic speakers (ESLs), and for a handful of Blu-ray movies, the amplifier will go into protect mode when at high volume, because ESLs typically have a very low impedance (1 ohm) in the high frequency range.

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Emotiva XPR-1 Monoblock Power Amplifier

Emotiva XPR-1 AmplifierAfter releasing a 500 watt monoblock power amplifier, the XPA-1, Emotiva didn't stop there. The newest addition to their monoblock power amplifier line is the XPR-1, which delivers 1,000 watts RMS into 8 Ohms. It may strain your back to move it, but it will set you back only $1,500.

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Pass Labs X1000.5 Monoblock Power Amplifier

Pass Labs X1000.5 Monoblock Power Amplifier

We have reviewed several Pass Labs products in the past, and I finally decided to get a pair of what they call "Room Heaters", i.e., the X1000.5. These monoblock power amplifiers are rated at 1,000 watts rms into 8 ohms. They are similar in physical design to the XA200.5, but the XA200.5's are biased into Pure Class A, while the X1000.5's are biased about 80 watts into Class A, with the rest as AB.

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Burson Soloist Headphone Amplifier

Burson Soloist Headphone AmplifierBurson Audio hails to us from Australia, bringing its own design philosophy, "Less is More," to high-end headphone amplifiers. They gained notoriety with the successful HA-160 headphone amp, a pure class A design with an output of 250mW. Here, we review the Burson Soloist Headphone Amplifier, with a specified output of 4 watts.

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Jones Audio PA-M300 Series 2 Monoblock Power Amplifier

Jones Audio PA-M300 Series 2 Monoblock Amplifier

Imagine my surprise when Secrets' Editor-in-Chief, John Johnson, asked me if I would review a pair of Jones Audio's 300W solid-state monoblock power amplifiers. "Now that would be quite a switch," was the first thought that popped into my head.

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Parasound Halo A 31 Three-Channel Power Amplifier

Parasound Halo A 31 Power AmplifierParasound has been making their Halo line of products for quite a few years now, but they are not one to make updates for the sake of change. Their A21 and A51 amplifiers have been unchanged since they debuted and remain a mainstay. The A 31, reviewed here, is a three-channel (250 watts x 3) power amplifier.

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Earthquake Sound Cinenova 7 Multi-Channel Power Amplifier

Earthquake Sound Cinenova 7 Multi-Channel Power Amplifier

Earthquake Sound, besides manufacturing very powerful subwoofers, also offers very powerful amplifiers for your home theater. The massive Cinénova Grande 7 is rated at 500 watts output per channel (seven channels) into 8 ohm loads. At $6,000, it is one of the most powerful multi-channel amplifiers in the world. But, many consumers don't need that much power, either because their home theater is small, or they just don't watch movies and listen to surround sound music very loud. So, Earthquake Sound has introduced the Cinénova 7, a seven-channel power amplifier, which is rated at 150 watts output per channel into 8 ohms.

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Mark Levinson No533H Three Channel Power Amplifier

Mark Levinson No533H Three Channel Amplifier

Mark Levinson has been one of the most well know high-end audio brands for decades now. While usually associated with two-channel stereo, they also have a line of home theater amplifiers and electronics for those that want Mark Levinson with their multichannel system as well as their stereo.

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Parasound New Classic 5250v.2 Multi-Channel Power Amplifier

Parasound New Classic 5250v.2 Multichannel Amplifier for the Home Theater

Parasound builds many audio products such as amps, tuners, preamps, and products for custom installations. As well their products can be found in many movie studios, including Lucasfilm and Pixar, you can even see their name in the credits for Star Wars. As well they are known for their highly regarded stereo products designed by John Curl. Their New Classic line has been around for many years and Parasound has released an updated five channel amplifier from this line, named the 5250v.2 which is a powerful and rugged THX Ultra-2 Five channel amplifier.

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