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Audio Research SP4 Preamplifiers user reviews : 5 out of 5 ...
http://www.audioreview.com/product/amplification/preamplifiers/audio-research/sp4.html#:~:text=That%20said%2C%20the%20SP4%20sounds%20amazingly%20good.%20It,is%20clearly%20more%20musical%2C%20and%20just%20better%20overall.
Audio Research SP4 Preamplifiers user reviews : 5 out of 5 ...
http://www.audioreview.com/product/amplification/preamplifiers/audio-research/sp4.html
What can I add that others have not said of the fine SP series such as SP-4 and SP-7. The first ARC preamp I heard was in 1973, it was an SP-3 and it made "Goodbye Yellow Brick Road" sound infinitely better than it sounded with my Sansui receiver. Detailed, sweet, warm, punchy and subterranean bass. Sonic bliss that brings a big smile to your face.
Anybody have listening impressions of the Audio Research ...
https://audiokarma.org/forums/index.php?threads/anybody-have-listening-impressions-of-the-audio-research-sp-4-preamp.493009/
I'm interested in your project with the SP. If you make it really nice that could be an upgrade folks might be interested in if they still have an SP-4. I think it would be cool to have a nice sounding slim line ARC preamp full-featured, grounded outlets and three phono inputs. Nice unit, too bad the sound quality is early transistor. Keep us ...
A Tune-up for the Audio Research SP-4/4A Preamp
http://conradhoffman.com/SP4A_caps.htm
A Tune-up for the Audio Research SP-4/4A Preamp. Introduction. The ARC SP-4 preamp was ARCs first solid state preamp. It was controversial at the time and some say it almost destroyed the company. Opinions about the sound quality are all over the map but based on dealer comments and my listening, it wasn't exactly world class.
Audio Research SP-4 Stereo Pre Amplifier Manual | HiFi Engine
https://www.hifiengine.com/manual_library/audio-research/sp-4.shtml
The SP-4 preamplifier was designed around the Analog Module which acts as a 'super tube' because it takes the best qualities we see in the vacuum tube much closer to the theoretical ideal. The SP-4 surpasses our vacuum tube preamplifier in the most important areas. It has increased musical depth and definition with a smoothness that will ...
Audio Research SP-4 Preamp.and match Audio Research …
https://www.youtube.com/watch?v=w3dN6EpE5GM
Both preamplifier ARC SP-4 and D-100 are in MINT condition! Play music amazing and look like NEW! Playing with Tannoy System 12 DMT.
Audio Research SP 4 | Solid state | Audiogon
https://www.audiogon.com/listings/lis9e745-audio-research-sp-4-solid-state
Audio Research SP-4a for sale. This is a classic solid state Audio Research SP4 A pre-amplifier with the rare MCP-1 active head amp for MC cartridges and rare ARC original wooden case. This is a very clean and complete unit.I pu...
filter and tone toggles Audio Research SP-4 Preamp
https://forum.audiogon.com/discussions/filter-and-tone-toggles-audio-research-sp-4-preamp
Pre: ARC SP-4 with MC factory upgrade Amp: Hafler 9180 from Audiogon Speakers: Vandersteen 2C - bought local from original owner - he owns an antique store and he is a complete audio junkie - he had those Vandies in his store playing Muddy Waters - Folk Singer - I didn't know what was going on and I was looking to see Willie Dixon with a stand ...
Audio Research SP14 Preamplifiers user reviews : 4.2 out ...
http://www.audioreview.com/product/amplification/preamplifiers/audio-research/sp14.html
Audio Research SP14 Preamplifiers. [Jun 13, 2018] dunal. Strength: Very transparent phono stage, all records comes to life. (switching from Yamaha cx preamp) Built like a tank, it's amazing that a 25+ yr equipment still runs & looks new, solid parts/materials being used. Easy maintenance, won't break your bank for tube rolling as it only uses 1 ...
Audio Research SP14 preamplifier | Stereophile.com
https://www.stereophile.com/content/audio-research-sp14-preamplifier
The last Audio Research product to grace the pages of Stereophile was the original SP9 preamp, which got a rather lukewarm review at the hands of both J. Gordon Holt and John Atkinson (Vol.10 No.8). That was 2½ years ago! A follow-up to that review is in progress; only the flagship SP15 preamp now remains a stranger to Santa Fe.
PreAmplifiers Reviews – Audio Research
https://audioresearch.com/preamplifiers-reviews/
The Audio Beat REF6SE Review. Stereophile October 2020 Review. REF6. The Audio Bea t REF6 Review. REF5SE. The Audio Beat REF5SE Review. REF10. HI-FI+ August 2021 Review. Much more than a mere carriage-trade brand name, the Audio Research marque has come to represent stellar performance and lasting value for music lovers and audio …
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