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Audio Research SP-11 preamplifier Anthony H. Cordesman ...
https://www.stereophile.com/content/audio-research-sp-11-preamplifier-anthony-h-cordesman-november-1986#:~:text=Audio%20Research%20SP-11%20preamplifier%20Anthony%20H.%20Cordesman%20November,reviewed%20by%20comparing%20it%20to%20its%20top%20competition.
Audio Research SP11 MKII Preamplifiers user reviews : 5 ...
http://www.audioreview.com/product/amplification/preamplifiers/audio-research/sp11-mkii.html
The SP 11 is a real bargain in a used "tube" preamplfier. I only miss the balanced in- and output, which I prefer. The sound of the preamp is very accurate, and detailed in its sound reproduction. I haven't heard before a "room" like this. The soundstage is breathtaking. It is incredible how much music I was losing to hear in the past.
Audio Research SP-11 preamplifier | Stereophile.com
https://www.stereophile.com/tubepreamps/898/index.html
The SP-11 is a design departure for Audio Research. Like the Berning TF-10, it is neither a tube nor a solid-state preamp; rather, it is both at once. Each active stage is a combination of a triode tube and a FET—devices whose dynamic transfer (input/output) characteristics just happen to be very close to complementary.
Audio Research SP-11 preamplifier – Old School | TONEAudio ...
https://www.tonepublications.com/old-school/audio-research-sp-11-preamplifier/
A little help from Kevin Deal at Upscale Audio resulted in a great set of NOS tubes, taking my SP-11 to an even higher level. And the phonostage is fantastic. As more and more rack space seems requisite these days, it’s wonderful to revisit this concept of a great linestage and phonostage all in one chassis, much to the chagrin of the wire barons.
Audio Research SP-11 preamplifier Anthony H. …
https://www.stereophile.com/content/audio-research-sp-11-preamplifier-anthony-h-cordesman-november-1986
Anthony H. Cordesman listened to the SP-11 in November 1986 (Vol.9 No.7): The sound of the Convergent Audio SL-1 is very good indeed (as it should be at $3495)—good enough that it can probably be best reviewed by comparing it to its top competition. The Audio Research SP-10/II and SP-11 are obvious standards of reference in tube design, and the original and revised Motif …
Audio Research SP-11 MK2 ... - Audiogon Discussion Forum
https://forum.audiogon.com/discussions/audio-research-sp-11-mk2
The SP-11 held up very well against his Ref 3. I use the SP-11 quite extensively now, but I do prefer my SP-10 mki for analog playback (60% of the time) and the SP-11 for digital playback (remaining 40%). But then I get my jollies moving power sources and front ends around every 3-4 months (not!).
Audio Research SP-11 preamplifier Page 2 | …
https://www.stereophile.com/content/audio-research-sp-11-preamplifier-page-2
Audio Research SP-11 preamplifier Page 2. The level-change increments of the volume controls are quite large at reduced settings, becoming increasingly gradual as you turn them up until, near full-up, the increments drop to about ½dB per step. For this reason, at least one control (preferably the "Level") should be operated most of the time ...
Audio Research SP-11
https://www.audioshark.org/audio-research-corporation-arc-36/audio-research-sp-11-a-14067.html
Audio Research SP-11. I've gone full circle over a three year period and am now listening with a new-to-me, circa 1985-ish, cosmetically NM, recently factory serviced SP-11 once again. I am smitten. Three years ago I had an SP-11 that I sold before purchasing an Aesthetix Calypso Signature. The Calypso is a very fine linestage preamplifier in its own right and is ultra …
Audio Research – High-end audio equipment
https://audioresearch.com/
Audio Research has produced some of the finest components for music reproduction; this is especially true with regard to preamplifiers. In 1973, the SP3 was hailed as the best preamplifier available, and this tradition of excellence has continued ever since. The Reference Series from Audio Research was first introduced in 1995 and has been the ...
Audio Research SP9 MKII Preamplifiers user reviews : 4.6 ...
http://www.audioreview.com/product/amplification/preamplifiers/audio-research/sp9-mkii.html
The preamplifier has kept up with the continuing improvemenst in the rest of the system. The SP 9 mk II is a sensible choice, especially given the low prices on the 2nd (or 3rd) hand market. NAD 1020, Copland 301, Music Reference RM 5, ARC LS2B, ARC LS3B, QUAD 405-2, Futtermann OTL amplifier, ARC VT 100 mkII.
Audio Research SP-11 preamplifier
https://www.audioshark.org/industry-news-153/audio-research-sp-11-preamplifier-4003.html
391. Audio Research SP-11 preamplifier. Residing at the top of the heap for at least three decades, Audio Research Corporation preamplifiers are almost default purchases for certain types of tube lovers. *ARC preamps are adventurous in their technology yet conservative in execution, so they appeal to audiophiles who like to minimize risks. *They’re perfect for …
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