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Audio Research Reference 75 power amplifier | …
https://www.stereophile.com/content/audio-research-reference-75-power-amplifier
The Reference 75 ($9000) is similar to the Ref 110 and Ref 150 in that all three use input circuits using direct-coupled JFETs and a 6H30 tube. However, the Ref 75 has only four Tungsol KT120 output tubes (in ARC's ultralinear "partially cathode coupled" topology), compared with eight in the Ref 150, and eight 6550Cs in the Ref 110.
Audio Research Reference 75 power ... - Stereophile.com
https://www.stereophile.com/content/audio-research-reference-75-power-amplifier-page-2
Audio Research Reference 75 power amplifier Page 2. Not only was the Reference 75 capable of rendering dynamic swings on great recordings from pppp to ffff; I was also able to hear 10 to 15 dynamic intervals between pp and p. In short, the amplifier was able to reveal musically meaningful dynamic variation in recordings I'd previously thought ...
Audio Research Reference 75 power amplifier ... - …
https://www.stereophile.com/content/audio-research-reference-75-power-amplifier-specifications
Audio Research Reference 75 power amplifier Specifications. Sidebar 1: Specifications. Description: Tubed power amplifier. Tube complement: four KT120, two 6H30. Maximum output power: 75Wpc continuous, 20Hz–20kHz (18.75dBW into 8 ohms). Total harmonic distortion (1kHz): typically 0.6% at 75W, <0.05% at 1W. Power bandwidth: –3dB, 7Hz–60kHz.
Audio Research Reference 75 power ... - Stereophile.com
https://www.stereophile.com/content/audio-research-reference-75-power-amplifier-measurements
I measured the Audio Research Reference 75 using Stereophile's loan sample of the top-of-the-line Audio Precision SYS2722 system (see the January 2008 "As We See It" and www.ap.com). Before performing any measurements, I ran the amplifier for an hour; then, before performing any measurements, and using the front-panel meters, I checked that the bias was correctly set for …
Audio Research Reference 75 power ... - Stereophile.com
https://www.stereophile.com/content/audio-research-reference-75-power-amplifier-associated-equipment
Sidebar 2: Associated Equipment. Analog Sources: Rega Research Planar 3, VPI TNT IV turntables; Immedia, Syrinx PU-3 tonearms; Clearaudio Virtuoso Wood, Koetsu Urushi cartridges. Digital Sources: Creek Destiny, Lector CDP-7TCD players. Preamplification: Creek Destiny, Vendetta Research SCP-2D phono stages; Audio Research Reference 5 SE, Audio Valve …
Stereophile magazine recommends Audio Research Reference 75
https://durobblog.com/2014/04/17/stereophile-magazine-recommends-audio-research-reference-75/
Stereophile magazine recommends Audio Research Reference 75 Geplaatst op 17/04/2014 door hermanvandendungen Audio Research Reference 75 A half-power version of ARC ’s Reference 150, the 75Wpc Reference 75 uses four KT120 and two 6H30 tubes. Two front-panel VU meters double as adjustment meters for biasing each of the four KT120s.
Audio Research Reference 75 power amplifier
http://www.ilcentrodellamusica.com/img/hifi/pdf/12/Audio-Research-Reference-75-review.pdf
Ref 75 is the lightest tubed stereo power amp I've had in my system. One aspect of the Ref 75's design particularly intrigued me. Some audiophiles hold that a single pair of push-pull output tubes is capable of greater sonic purity than multiple pairs of tubes, which, when ganged, can create a subtle smearing; because
New Gear from Audio Research | Stereophile.com
https://www.stereophile.com/content/new-gear-audio-research
Audio Research's Reference 75 vacuum tube stereo amplifier ($9000) incorporates many of the new technologies found in the more powerful and pricier Reference line of amplifiers. For example, one pair of KT120 output tubes are used, and the front-panel meters can be switched from power output to bias adjustment readings.
Audio Research Reference 75 power amplifier
https://www.audioshark.org/industry-news-153/audio-research-reference-75-power-amplifier-732.html
The Reference 75 ($9000) is similar to the Ref 110 and Ref 150 in that all three use input circuits using direct-coupled JFETs and a 6H30 tube. However, the Ref 75 has only four Tungsol KT120 output tubes (in ARC's ultralinear "partially cathode coupled" topology), compared with eight in the Ref 150, and eight 6550Cs in the Ref 110.
Audio Research Reference 160S power ... - Stereophile.com
https://www.stereophile.com/content/audio-research-reference-160s-power-amplifier
This, our February issue, is the first Stereophile issue to arrive during the year 2020, which marks the 50th anniversary of the founding of Audio Research—in my view one of the key events in the history of high-end audio. So it makes sense for this issue to include an Audio Research review—in this case, of the $20,000 Reference 160 S stereo amplifier.
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