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Rotel RMB-1575 Five-Channel Class D Power Amplifier
Written by Jared Rachwalski   
Thursday, 05 November 2009 00:00

Rotel RMB-1575Class D switching amplifiers are more and more common. Manufactures have made great strides in overcoming the high-frequency shortcomings found in the early models. Rotel in particular has been involved with this technology for a few years, with a significant portion of their line-up now using this.

Tags: Class D | Home Theater | ice power | multi-channel | Rotel

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McCormack LD-2 Preamplifier and DNA-250 Stereo Power Amplifier
Written by Jim Milton   
Monday, 26 October 2009 00:00

McCormack LD-2 and DNA-250In 1997, McCormack Audio was purchased by Conrad-Johnson, known primarily for their fine tube amps and preamps. They have the same high quality and value that Steve McCormack put into his designs in California, but these current products are basically an entirely new line (and are built in Virginia). In this review, we take a look at one of their line-stage preamps, and a stereo (two-channel) power amplifier.

Tags: Amplifiers | Power Amplifiers | Preamplifiers | Two channel

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Bryston 4B SST2 Stereo Power Amplifier
Written by Kevin Lichterman   
Monday, 17 August 2009 00:00

Bryston 4B SST2 C-SERIESBryston Ltd. is a Canadian company which has been designing and manufacturing audio equipment for over 35 Years.   While there are many companies competing in their market, Bryston’s gear is coveted by enthusiasts and professionals alike.  They have earned the reputation of providing bullet-proof reliability, high performance and value.  Byston’s value is not due to a bargain basement price. It's the sound and their 20 year guarantee of high performance that can make a Bryston purchase a value. This remarkable warranty speaks to Bryston's confidence in their own quality standards, and it is definitely the exception versus the rule in the A/V industry.

 

Tags: Class AB | Power Amplifiers | Stereo

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Pass Labs XA30.5 Stereo Power Amplifier
Written by Chris Groppi   
Monday, 06 July 2009 00:00

Pass Labs XA30.5 Stereo Power AmplifierWhat do a 30 watt stereo solid-state amplifier and a 500 watt solid-state monoblock have in common? A lot, it turns out. The seemingly diminutive Pass Labs XA30.5 weighs 75 pounds, has an enormous toroidal power transformer, and uses 20 output transistors to deliver 30 watts of pure class A power. It turns out these specs are similar, or in some cases, better than my recently reviewed Emotiva XPA-1 monoblocks. The XA30.5 proves that rated power is by no means everything. In fact, if you have speakers of even moderately high sensitivity, the XA30.5 renders any discussion of power output irrelevant. When paired with the right speakers, this may be one of the best amplifiers there is, regardless of price.

Tags: Amplifiers | Class A | Class AB | Power Amplifiers | Stereo

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Bel Canto S500 Stereo Power Amplifier
Written by Walt Meger   
Monday, 16 March 2009 00:00

Bel Canto S500 Power AmplifierLet me first state “I like this amp, I really do.” What does “Class A, A/B, D, ICEpower” mean to the average audiophile? Will there be an audible benefit by upgrading to the newer technology? If I am making an initial purchase will this technology satisfy me? Does the amp du jour really make a difference in the listening experience for the average listener?

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Emotiva XPA-1 Monoblock Power Amplifier
Written by Chris Groppi   
Sunday, 04 January 2009 17:00

Emotiva XPA-1 Monoblock Power AmplifierADDENDUM - 4/1/09 I (JEJ) was so impressed with Chris' review of the XPA-1 (published in January, 2009), I asked Emotiva to send me one so I could run some of my own tests. I borrowed a different power amplifier from a friend that cost more than 6 times the price of the XPA-1, which I will call Amplifier "X" here. I ran the same tests on both amplifiers. Click on the photo to see the results (go to Page 4: Emotiva XPA-1 On the Bench, and my results are down near the bottom of the page).

Tags: Amplifiers

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Emotiva XPA-2 Stereo Power Amplifier
Written by Adrian Wittenberg   
Sunday, 14 December 2008 17:00

emotiva-xpa-2-amplifier-teaser.jpgEveryone would like a "good deal" in the world of audio, but there’s usually a lot of skepticism involved because of the tendency for such products to be made with cheaper components and outsourced labor. It’s not unusual for these kinds of cheaper goods to break, in even short periods of time. Well, you get what you pay for. On the other side of the spectrum are very high quality products that come at astronomical prices that, while providing the ultimate experience, are often way out of many consumer’s budgets. Somewhere in the middle of all this though, there are still a few companies that make products that have high performance and are also affordable. Emotiva, over the years, has been one of these companies and they have gained a favorable reputation with audiophiles because of it.

Tags: Amplifiers

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Rotel RMB-1085 Class D (Switching) Five-Channel Power Amplifier
Written by Jared Rachwalski   
Wednesday, 27 August 2008 17:00

rotel-rmb-1085-multichannel-amplifier-fig-1-large.jpg Class D switching amplifiers are here to stay. The RMB-1085 is a five channel home theater amplifier that uses ICE power modules which stay cool and deliver very efficient high power, all from a small chassis.

Tags: Class D | Power Amplifiers | Switching Amplifiers

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Halcro MC70 Seven-Channel Power Amplifier
Written by Ross Jones   
Sunday, 04 May 2008 16:00

halcro-mc70-amplifier-teaser.jpgHalcro's MC series amplifiers come in two, three, five and seven channel configurations (designated the MC20, MC30, MC50, and MC70). The MC70 lists for $7,000, but compared to the Halcro Reference DM88 monoblocks, which will set you back more than $40,000 per pair, the MC70 is quite the bargain. So what kind of amp do you get for a kilobuck per channel?

Tags: Class D | Switching Amplifiers

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