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Amplifier Reviews

Wyred4Sound SX-1000 Monoblock Power Amplifier

Wyred4Sound SX-1000 Monoblock Amplifier

Wyred4Sound has entered into the high end audio market with plenty of experience behind its doors. Born from the skilled minds and hands of EJ Sarmento and Rick Cullen of Cullen Circuits, these two have been providing high end components for the audio industry for years. Rick used to be the production manager for PS Audio, until in 1990 he started Cullen Circuits- a provider and consultant to companies such as PS Audio, Genesis Technologies, Camelot and more. In this review, we take a test drive with their SX-1000 Class D monoblock power amplifier.

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Spectron Musician III Mk2 Class D Stereo Power Amplifier

spectron-musician-lll-mk2-amplifier-teaser

Spectron has been manufacturing Class D amplifiers since before most people even knew what they were. I remember meeting John Ulrick, Spectron's designing engineer, many years ago at a CES, and seeing his first model. I had no idea how it worked, but what impressed me was that it was extremely powerful, yet relatively small. Class D amplification technology has come a long way since then, but definitely, Spectron was a pioneer. In this review, we take a look at the Spectron Musician III Mk2, which will deliver 600 watts rms per channel into an 8 ohm load, and is rated into 2 ohm loads. The amplifier weighs 52 pounds.

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Pass Labs INT-30A Integrated Stereo Amplifier

Pass Labs INT-30A Integrated Amplifier

For nearly forty years, Nelson Pass has been designing simple, high-performance electronics. In 1991, with twenty years experience under his belt, he founded Pass Laboratories which has since become among the most highly regarded companies for high-end power and integrated amplifiers. His design goals couldn't be more clear: power, simplicity and performance.

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Naim Audio, SUPERNAIT Integrated Stereo Amplifier with DAC

Naim Audio Supernait Integrated Amp with DAC

What's in a Naim? For those not overly familiar with the brand (myself included), that has usually meant DIN connectors, the ubiquitous black casework, green lit circlet buttons and a reputation for an emphasis to PRat. This reputation for Pace Rhythm and Timing and a focus on hand built craftsmanship put Naim in a unique place amongst audio components.

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Lindemann 882 Stereo Integrated Amplifier

Lindemann 882 Integrated Amplifier

I have always been a fan of integrated amplifiers, and they were the heart of all my audio systems up until recently. They offer the best value in terms of getting the most performance per dollar, but they take away one thing many audiophiles love: fooling around with their system. Several ultra-high end companies have recently introduced very serious integrated amps, for the audiophile who is done with fooling around.

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Manley Stingray iTube Stereo Integrated Amplifier

manley-stingray-itube-amplifier-teaser

Manley Labs designs and manufactures tube components. With the Stingray iTube, you can now plug your iPod directly into a dock on an integrated tube amplifier.The iTube can be switched between triode mode and ultralinear mode, giving you a choice in how much output the amplifier will deliver. It comes with a very unique remote control that you would only expect from Manley.

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Mystere ca21 Stereo Tube Preamplifier

mystere-ca-21-preamp-teaser

Following on our recent review of the Mystere pa21 stereo tube power amplifier, we now review the matching preamplifier, the ca21. It is a single gain stage design, with only one buffer and one capacitor in the signal path. It is as beautiful as its brother, and sounds great as well. Read on.

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Earthquake Sound Cinenova Grande Multi-Channel Power Amplifier with Class A Bias

earthquake-cinenova-amplifier-teaser

We reviewed the Earthquake Sound Cinénova Grande multi-channel amplifier several years ago, but it has gone through some changes in the circuitry, including significantly higher output, so we thought it was time to revisit this legendary product. It is available with up to seven amplifier modules, each capable of delivering 360 watts RMS into 8 ohms. Our review unit came with five modules.

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Lamm LL1 Signature Stereo Tube Preamplifier - An Audiophile's Dream

lamm-ll1-preamplifier-teaser-with-flare-backgroundLamm introduces their LL1 Signature preamplifier, which is the partner to their ML3 Signature power amplifier. Both the LL1 and ML3 are cost-no-object products using only the finest parts that can be found anywhere in the world. The design is based on Vladimir Lamm's 50 year career in design of tube components that perform at the extreme limits of sonic perfection. The LL1 is a $43,000 four-chassis, 114 pound, state-of-the-art masterpiece.

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Bryston 3B SST2 Stereo 150 Watt per Channel Power Amplifier

bryston-3b-sst2-power-amplifier-teaser

Following on our review of the Bryston 14B SST2 stereo power amplifier, we now take a look at its smaller brother, the 3B SST2, which delivers 150 watts rms x 2 into 8 ohms. Although it won't necessarily rattle the wall studs like the 14B can, it provides good solid power at very low distortion.

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Mystere pa21 Stereo Tube Power Amplifier

mystere-pa-21-power-amplifier-teaser

Durob Audio is a company in the Netherlands that markets PrimaLuna tubed audio components, including integrated amplifiers, power amplifiers, and a CD player that has a tube-based clock. It also has a discrete output stage with triodes running in pure Class A. Conventional CD players use op-amps in the output stage. Although the tube output stage and op-amp output stage sound different, one doesn't necessarily sound "better" than the other, although tubeophiles would all opt for the "better". We reviewed the PrimaLuna DiaLogue Two integrated amplifier in December, 2009.

With the introduction of Durob Audio's Mysterè line, we now review the Mysterè pa21, which is a 55 watt per channel stereo tube power amplifier. The Mysterè line goes beyond the PrimaLuna line with larger transformers, more power supply capacitance, and an auto-bias circuit that lets the consumer choose between using KT88's or EL34's as the output tubes.

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