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Audio Research Reference 250 SE Amplifier - The …
https://www.theabsolutesound.com/articles/audio-research-reference-250-se-amplifier
A. A new Reference tube amplifier from venerable manufacturer Audio Research is always a big deal. Incorporating significant upgrades from its Reference 250 predecessor, the Reference 250 SE mono amplifier features Tung-Sol’s latest high-current output tube, the KT150 as well as new active and passive parts. Reference 250 owners can have their unit upgraded to …
Audio Research Reference 250 Monoblock Amplifier - …
https://www.theabsolutesound.com/articles/audio-research-reference-250-monoblock-amplifier
Audio Research Reference 250 Monoblock Amplifier. William Zane Johnson, God bless him, may be gone and his path-breaking company, the Audio Research Corporation, may now be owned by an Italian holding company, but in spite of the loss of its founder and the change in proprietorship (which, let me be clear, has not affected the way things are done at Audio Research—all of …
Audio Research Reference 250 monoblock amplifiers - Hi-Fi+
https://hifiplus.com/articles/audio-research-reference-250-monoblock-amplifiers/
The Ref 250 monos replace the popular Ref 210s. They continue the broad move by Audio Research to switch from 6550 power tubes to KT120s, with each chassis containing three matched pairs as power output tubes, a further matched pair of KT120s as line drivers, two 6H30s (one gain stage and one regulator) and a 6550C as regulator. As a result, you end up …
Audio Research Reference 250 SE Amplifier | Audio Advice
https://www.audioadvice.com/audio-research-reference-250-se-amplifier
The Reference 250 SE features major enhancements, such as a monochromatic appearance, an analog meter with adjustable illumination, a low turbulence fan, and more for high-definition listening. Product only available for in-store purchase and not available for online sale. Features T150 output tubes and a bulk power supply 50 percent larger than its predecessor.
Audio Research REF 250 Monoblocks – Reviews | TONEAudio ...
https://www.tonepublications.com/review/audio-research-ref-250-monoblocks/
Audio Research Reference 250 Mono Amplifiers - The Audio ...
http://www.theaudiobeat.com/equipment/audio_research_reference_250.htm
Audio Research amps use negative feedback, 8.8dB in the case of the Reference 250. The use of feedback in an amplifier's circuit is controversial, with some makers (Lamm, Atma-Sphere, Conrad-Johnson, to name just a few) considering it a sin of commission.
Reference 250 SE - Audio Research
https://audioresearch.com/wp-content/uploads/2019/03/Ref250SE-Manual.pdf
The AC power source for the Reference 250 SE amplifier should be capable of supplying 10 amperes for 100 or 120 volt units, or 5 amperes for 220 or 240 volt units. For the very best performance on 100 or 120 volt circuits, the Reference 250 SE should be connected to its own AC power circuit branch, protected by a 15 amp breaker.
Audio Research REF 250 amps | What's Best Audio and Video ...
https://www.whatsbestforum.com/threads/audio-research-ref-250-amps.4313/
Dave Gordon from ARC told me at RMAF a week ago that they discontinued the 610T because the Ref 250 is a better amp . Toggle signature. Steve Williams, aka oneobgyn ... Wilson Audio XLF's, Audio Research REF40, VTL Siegfired II, DCS Vivaldi 2.0 stack, Taiko Audio SGM Extreme, Kondo KSL DAC, TechDas Air Force One Premium, SME3012-R, Graham ...
Audio Research Reference 250 ... - Audiogon Marketplace
https://forum.audiogon.com/discussions/audio-research-reference-250-capacitor-issue
Audio Research Reference 250 capacitor issue One of my reference 250amp fuse blown and found that the capacitor is bad and audio research has upgrade kit to replace Teflon capacitors with latest ones.
Audio Research Reference 250 Mono Amplifiers
https://www.ultraaudio.com/index.php/equipment-menu/281-audio-research-reference-250-mono-amplifiers
Audio Research Reference 250 Mono Amplifiers Price: $25,990 USD per pair. Warranty: Three years parts and labor; 90 days, tubes. Audio Research Corporation 3900 Annapolis Lane N. Plymouth, MN 55447-5447 Phone: (763) 577-9700 . Website: www.audioresearch.com
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