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Outwardly, the 80S shares the same dimensions as the 160M. A single shallow whisper fan is built into the bottom plate. Flexibility is built-in, too, with XLR and SE inputs, 4-8-16 ohm output taps, 12V input and output triggers, RS232 input, tube hour meter, switchable fan speeds, and defeatable auto-off function. The feature set is the same as the 160S, including a proprietary auto-bias ci...[more]

The Reference AMP finds its roots in the HD AMP. The HD AMP was originally designed about 10 years ago and it is based on several previous technological advances of predecessor Nagra AMP. Designed in parallel with the Reference PREAMP, the Reference AMP is the ideal power amplification partner in a reference level system. The Reference AMP is an iron fist in a velvet glove. Boasting a new p...[more]

In addition to the innovative two motor system, the turntable features a well thought out technology for absolute speed calibration. An accelerometer monitors the floating chassis to ensure that it is absolutely stable otherwise calibration does not take place. Calibration is done over a 20 second window during which time the platter’s speed is precisely calibrated during actual playback ...[more]

In addition to the extensive focus on the generator system and groove/stylus/ cantilever interface, Nagra’s team of engineers and designers paid great attention to the Reference MC cartridge body. Substantial material science investigation lead the team to a unique, non-ferrous alloy called EXIUM® AM. Born from aerospace materials research, EXIUM® AM is the result of a collaborati...[more]

  Nagra intensive research and painstaking extensive listening sessions resulted in essential component changes in the audio unit, including custom made capacitors. We created a new generation of high voltage power supplies inside the audio signal unit (generating the 200 V DC grid tension). For the power supplies, we added super-cap capacity. The Reference DAC was given dual chassis p...[more]

REFERENCE PHONO 10 PHONO PREAMPLIFIER Vinyl record playback has been an integral part of Audio Research since our founding in 1970. Think back to the great phono stages built into the defining preamplifiers of their day, among them the SP3, SP6, SP8, SP10, and SP11. Even after the introduction of the compact disc in 1982, phono sections remained a revered part of our preamplifiers. The firs...[more]

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Originally released in 2017 and later updated in 2020 the Nagra HD PREAMP set new standards in the analog preamplifier category. Its stellar specifications as well as its natural, transparent and three dimensional sound has been lauded by discerning audiophiles and reviewers around the world. Following the design of the Nagra Reference Turntable and its associated tonearm and cartridge, we ...[more]

Attention to detail even extended to the belt used in the motor drive. For this essential part we took inspiration from the iconic Nagra IV-S tape machine. Because the original supplier of these belts is no longer in existence, we undertook a chemical analysis of the belt composition and have faithfully reproduced this high performance part. We have decided to pay tribute to Nagra’s analo...[more]

Reference 160M Vacuum tube Monaural power amplifier After two years in development, the new Reference 160M (REF160M) Monoblock Power Amplifier is built like no other, looks like no other, and sounds like no other amplifier that you have ever heard, but it is unmistakably Audio Research. It features a refined audio topology with fewer and better components in the signal-path than in pr...[more]