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Audio Research Reference 150 Stereo Power Amplifier
Audio Research is a respected Minn.-based manufacturer of tube products and the company's new Reference 150 stereo amplifier enters the market as a replacement for the company's longstanding Reference 110 amplifier.
Audio Research’s new $12,995 Reference 150 Stereo Power Amplifier incorporates a fully balanced design, KT-120 power tubes and a 20A IEC power cord.
Lost in all of the hype of digital audio and even the resurgence of vinyl as a legitimate format is that the industry is also seeing a renewed interest in tube-based technologies.
One of the leading manufacturers of tube-based components in the consumer electronics industry is Minn.-based Audio Research. The company's latest product is its new Reference 150 Stereo Power Amplifier, which it is a replacement for its Reference 110 amplifier. Using the same physical dimensions as the REF 110, the REF 150 features a revised industrial design, as well as a fully balanced circuit design. The amp's back panel features XLR (balanced) outputs, 4-, 8- and 16-ohm output taps and 12-volt triggers to support its integration into a modern home audio system.
Audio Research says the amp utilizes the same design concepts as its anniversary model products, which includes robust power supplies, circuit design and the company's "partially cathode-coupled' topology, which the company says is a better state of operational status than traditional pentode or triode operation. The amp produces full bandwidth 150 watts of power through a tube combination of four 6H30 in the driver stage and four KT-120 tubes in the output stage, and internally the amp keeps cool through the implementation of speed selectable fans.
One of the leading manufacturers of tube-based components in the consumer electronics industry is Minn.-based Audio Research. The company's latest product is its new Reference 150 Stereo Power Amplifier, which it is a replacement for its Reference 110 amplifier. Using the same physical dimensions as the REF 110, the REF 150 features a revised industrial design, as well as a fully balanced circuit design. The amp's back panel features XLR (balanced) outputs, 4-, 8- and 16-ohm output taps and 12-volt triggers to support its integration into a modern home audio system.
Audio Research says the amp utilizes the same design concepts as its anniversary model products, which includes robust power supplies, circuit design and the company's "partially cathode-coupled' topology, which the company says is a better state of operational status than traditional pentode or triode operation. The amp produces full bandwidth 150 watts of power through a tube combination of four 6H30 in the driver stage and four KT-120 tubes in the output stage, and internally the amp keeps cool through the implementation of speed selectable fans.
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Article Topics
Audio · Amplifiers · Audio Research · 6h30 Preamp Tubes · Kt-120 Power Tubes · Tube Amplifiers ·About the Author
Robert Archer, Senior Editor, CE Pro
Bob is an audio enthusiast who has written about consumer electronics for various publications within Massachusetts before joining the staff of CE Pro in 2000. Bob is THX Level I certified, and he's also taken classes from the Imaging Science Foundation (ISF) and Home Acoustics Alliance (HAA). In addition, he's studied guitar and music theory at Sarrin Music Studios in Wakefield, Mass.
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