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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.
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.
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.
Reference 250 SE - Audio Research
https://audioresearch.com/wp-content/uploads/2019/03/Ref250SE-Manual.pdf
the front of the Reference 250 SE for On/ Off control of the amplifier, or the 12V start-up trigger for remote installations. 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
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
Mono & Stereo © 2021: Audio Research Reference 250 SE NEW
https://www.monoandstereo.com/2015/03/audio-research-reference-250-se-new.html
Reference 75, 150, and 250 amplifiers can be fully upgraded to include all SE enhancements, adding further value and performance for owners of existing amplifiers. Upgrades for the U.S. and Canada will be performed as a factory upgrade, while customers outside North America can contact their distributor to schedule their upgrade.
Audio Research Reference 250 SE - Audio.vn
https://audio.vn/product/audio-research-reference-250-se
Audio Research là một trong nhưng ông lớn trong lĩnh vực này với nhiều dòng sản phẩm danh tiếng được giới thiệu trong suốt lịch sử hơn 42 năm hoạt động và Reference 250 SE biểu trưng hoàn mỹ cho nhóm thiết bị này. Reference 250 SE sở hữu vẻ ngoài hiện đại, sắc màu hài hòa, mặt trước được trang bị các nút ...
AUDIO RESEARCH, AUDIO RESEARCH VIỆT NAM,
https://audio.vn/brand/audio-research-2
Audio Research is one of the oldest continually operating manufacturers in American audio. The company was founded in 1970 in Minneapolis with one goal in mind: to advance the state-of-the-art in music reproduction. Today, Audio Research remains a performance-oriented company by philosophy and design.
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