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The REF300 monoblocks have created as much of a stir among audiophiles and music lovers as the larger REF600s did when first introduced in late 1995. Well, we're happy to announce that REF300 owners now have good reason to be excited all over again with the introduction of the new and improved REF300MKII First, the sonic improvements embodied in the MKII version are nothing short of monumental...[more]

The REF 5 is the latest model in a series of the finest and most successful line-stage preamplifiers ever made. From the REF1 to the REF2 to the REF3 to the REF5, each one has built upon the legacy of its predecessor as the most sought-after reference level line-stage preamplifier. The REF5 clearly redefines the state of the art at a price that is not inexpensive but represents extraordinary value...[more]

Concept The Reference Series from Audio Research was first introduced in 1995 and has been the ultimate representation of performance, musicality and power. Beginning with the Reference 1, the Reference 6 now continues the tradition of using the most refined circuit designs in concert with the highest quality parts and components. Numerous elements – transformers, capacitors...[more]

Following upon the technical changes that have been so successfully received in the MKII version of the REF300 monoblocks, similar changes have now been made to the design of the REF600 model. The resulting improvement in sonic performance is, if anything, even more dramatic in the 600-watt flagship model. As in the REF300, the REF600MKIII has been refitted with new audio and power-supply circu...[more]

When the Reference 600 Power Amplifier was introduced in 1995 it set a new standard for High Definition® in music reproduction. In every meaningful category, the Reference 600 - 300 amplifier series remained at the pinnacle of audiophile performance. Now the REF600-300 legacy continues with a new flagship from Audio Research: the Reference 610T monoblock.     Like its pr...[more]

The Reference 750 SE monoblock amplifier continues the story begun 20 years ago with the introduction of the Reference 600; that is, to create the ultimate, tube-driven amplifier with enough power to drive any speaker load and to provide a musical experience unlike any before it. The Reference 750 SE redefines all expectations of what is possible from an amplifier in a music playback system....[more]

Bound to become an "Audio Legend", truly remarkable.Ricardo FranassoviciIn April of 1970 Audio Research was founded as the sole American manufacturer of exclusively vacuum-tube preamplifiers and power amplifiers. Along the way, many Audio Research models became benchmarks and collectors’ items as the company steadily built a reputation for great performance and great value. It was never...[more]

Incorporating the strongest aspects of the CD3MKII - its rugged construction, the Philips Pro2 laser mechanism, the Crystal 24-bit DAC, its user-friendly menu of useful features and functions - the REF-CD7 breaks new ground with a gain stage taken directly from the REF3, incorporating the latest proprietary capacitor technology found only in Audio Research Reference components. Using four 6H30 tri...[more]

The experience begins with the intuitive graphic interface, guiding the user easily through input selection and the appropriate menus to begin music playback With nine different ways to connect, plus a built-in internet radio tuner, virtually all digital sources in your system are connectable to the Reference DAC. Inputs providing metadata will allow track and album information to be displayed....[more]

The REF Phono stage is an all-vacuum-tube design.  Of the 14-tube total, eleven 6922 twin triodes are used in a unique single-ended signal path. High voltage rectification utilizes a 5AR4 / GZ34, while regulation is accomplished using a 6L6GC controlled by another 6922.  For the analog music purist, this is the phono stage to make everyone happy!  Using chassis construction and dime...[more]