Audio Research - Ref 6 Preamplifier

Audio Research


  • Audio Research - Ref 6 Preamplifier
  • Audio Research - Ref 6 Preamplifier
  • Audio Research - Ref 6 Preamplifier
  • Audio Research - Ref 6 Preamplifier

This product is currently sold out.


Stereo preamplifier

Almost since the inception of the brand, Audio Research has produced some of the finest components for music reproduction; this is especially true with regard to preamplifiers. In 1973, the SP3 was hailed as the best preamplifier available, and this tradition of excellence has continued ever since. The Reference Series from Audio Research was first introduced in 1995 and has been the ultimate representation of performance, musicality and power. The Reference 6 is the latest chapter of our story.

The Reference 6 is not simply a market-driven product, but rather, a solution to a need which arose after the creation of the Reference SE Series amplifiers. According to Warren Gehl, who is responsible for sonic development of all Audio Research products, the new series of Reference amplifiers offer a level of musical and dynamic capability only made apparent when using the flagship, two-chassis Reference 10 preamplifier. Both preamplifiers of the Reference Series need the ability to provide the full benefit of this new sonic landscape. Increasing the tube count to six in the analog section, and advancements in the power supply improved both macro- and microdynamics and lowered distortion.

The Reference 6 also offers better bass control, relaxed purity and more dimensionality. Further improvements include a more grainless presentation, greater transparency, better speed, and more continuity across the musical spectrum. Quite simply, the Reference 6 improves upon its predecessor in every way for a more palpable and immediate musical performance. Numerous elements – transformers, capacitors, wiring – are designs exclusive to Audio Research and the Reference 6.

A completely new chassis has allowed not only a more beautiful aesthetic, but also provides more structural rigidity to assist in the dissipation of electrical and mechanical interferences. Six premium 6H30 tubes are now used in the audio circuit (increased from four tubes in the Reference 5SE) to provide an even quieter background and increased dynamic range. The tube-regulated power supply is also a new design for improved sonics. New circuit boards, circuit designs, and larger power transformer have been implemented to provide robustness and serviceability.

A new volume control with finer step gradation and higher performance completes the system.
Some of the comments from his review:
"the net result is not only extraordinary musical information in terms of detail and microdynamics, but also accuracy in tonality."
"the Ref 6’s low-end is the best I’ve experienced from a valve preamplifier."
"Somehow Audio Research manages to outdo itself on every occasion – at least in the last few generations of Reference series preamplifiers. The Reference 5 SE was among the very best preamps on the market, yet the Reference 6 takes it to another level. To qualify this, the Ref 6 is substantially more transparent than its predecessor – you really hear into the recording (as an enthusiast and reader of these pages, I’m sure you know what I mean) – and thoroughly overshadows it when it comes to macro-dynamic expression and bass power and control. By having the Audio Research Reference 6 preamplifier... you’ll feel well confident that it will never be the bottleneck inhibiting your stereo’s full musical expression."
Enjoy this beautiful piece of equipment!

Similar Products