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Experiences with Audio Research LS-2B - High-End Audio ...
https://forum.audiogon.com/discussions/experiences-with-audio-research-ls-2b
03-30-2003 10:50am. Edit. Delete. The LS-2B on the used market ($700-950) is an outstanding value for the money. I've had one which I've kept through several different amp changes in my work system. It is a hybrid design using a single 6922 tube. It is very sensitive to tube changes and consequently will sound better with a good tube in there.
Audio Research LS2 Preamplifiers user reviews : 4.9 out of ...
http://www.audioreview.com/product/amplification/preamplifiers/audio-research/ls2.html
Audio Research LS2 MkII Pre Amp AMAudio A50 Reference Class A Power Amp ... hero xlr to a threshold t400 with kimber 12c cables to magnaplaner 1.7's. source is sansui tu9900 with full radiox mod and kimber silver streak rca's and for digital an iPod with a luxman d100 da converter with silver streak rca's. right now i am listening to a baja ca ...
Audio Research LS-2 Hybrid Vacuum Tube/FET Stereo Line Pre ...
https://www.hifiengine.com/manual_library/audio-research/ls-2.shtml
Like other Audio Research pre amplifiers and line stages, the LS2 is a true Class-A circuit, capable of swinging 50 volts at the output, peak-to-peak. It provides 18dB of overall gain - perfect for today's line level sources, and ideal for use with the Audio Research PH1 …
Audio Research LS2 tube preamplifier, with upgrades For ...
https://www.canuckaudiomart.com/details/649744968-audio-research-ls2-tube-preamplifier-with-upgrades/
The Audio Research LS2 was manufactured from 1991 to 1995. It was a highly regarded and very popular tube/hybrid design that Stereophile considered to be a Class 'A' component at the time. "Like other Audio Research pre amplifiers and line stages, the LS2 is a true Class-A circuit, capable of swinging 50 volts at the output, peak-to-peak.
advice on audio research preamp upgrade... - DIY - HiFi WigWam
https://www.hifiwigwam.com/forum/topic/74023-advice-on-audio-research-preamp-upgrade/
Audio Research is a great name, but I'm happy to say what everyone else is avoiding here. The LS2 is no better than average. Actually, that's overstating. It's actually far worse than average. Changing the tubes, capacitors, wiring etc. won't make it what it isn't. Put the fucker on eBay and watch the lemmings line up.
audio research LS25 preamp | Page 2 | diyAudio
https://www.diyaudio.com/community/threads/audio-research-ls25-preamp.79653/page-2
2009-03-08 10:37 pm. #39. If you look at the datasheet you will notice there is a limit on cathode to heater voltage of 130v. At lower supply voltages biasing the heaters at 0v works fine and at higher the hum is minimised when the heater is biased at a positive voltage, in this case 70v. The transformer output is around 18v ac.
Audio Research LS2B MKII - Tube / Solid State Hybrid Line ...
https://skyfiaudio.com/products/audio-research-ls2b-mkii-tube-solid-state-hybrid-line-stage-preamplifier
LS2: 200 ohms main output. 500 ohms Balanced 1, Balanced 2 (10K ohms minimum load and 2000pF maximum capacitance). LS2 MKII: 200 ohms main output. 400 ohms Balanced 1, Balanced 2 (10K ohms minimum load and 2000pF maximum capacitance) OUTPUT POLARITY-MAXIMUM INPUTS LS2: 20V maximum. LS2 MKII: 20V maximum unbalanced, 8.5V maximum …
Audio Research – High-end audio equipment
https://audioresearch.com/
Audio Research continues its dedication to unparalleled musical expression and crafting components of the highest quality and lasting value for its customers. Our long-term dedication to service is peerless in this industry (Audio Research, with few exceptions, can repair anything ever produced during its entire history).
Audio Research Ls2 Upgraded For Sale - Canuck Audio Mart
https://www.canuckaudiomart.com/details/649608831-audio-research-ls2/
Selling this amazing Audio Research Ls2 preamp. Not your average Ls2. Read up on line about a modded Ls2. These new caps made the soundstage open up . Imaging was a lot better. Everything that is in the recording is more revealed. The improvement is not subtle. It is huge . These are unbelievable preamps. This one is exrtra special.
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