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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/
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.
Audio Research SP11 MKII Preamplifiers user reviews : 5 ...
http://www.audioreview.com/product/amplification/preamplifiers/audio-research/sp11-mkii.html
Audio Research SP11 MKII Preamplifiers DESCRIPTION 2 chassis hybrid full-function pre-amp [Apr 22, 2010] stevo58 AudioPhile i just want to inform all the members here, that the SP11 HAS a balanced output and it sounds even better with a balanced amp like for example the V70, if this possibility is used!
Audio Research SP-11 MK2 ... - Audiogon Discussion Forum
https://forum.audiogon.com/discussions/audio-research-sp-11-mk2
I've worked on both the SP-11 and the SP-10 extensively. The SP-11 is probably a bit quieter in the phono stage then the SP-10. Both are marvelous preamps. Both bench test very well. Before comparing a new preamp with a rather old preamp one would have to recap the old preamp. That way you are comparing apples to apples. After 15-20 yrs, both preamps should …
ARCDB
https://arcdb.ws/SP11/SP11.html
The Audio Research Database (ARCDB) ... SP-11 MKII Special Edition (1990) Limited to 50 sets in gold/champagne faceplates to celebrate ARC's 20th anniversary. Details. TYPE. Hybrid stereo preamplifier with phono stage. INTRODUCED. 1985. OPTIONS-MSRP (US NEW RETAIL) SP-11: $4,900. SP-11 MKII: $4,995/$5,995.
Audio Research SP11 MKII | Tube | Audiogon
https://www.audiogon.com/listings/audio-research-sp11-mkii
Preamplifiers. Tube. Audio Research SP11 used This is the SP11 MKII version. It is in two parts, the control center and separate power supply. This pre amp sold for an astounding $5995.00 back in 1987!!! Wow could you imagine what something li... 2900.00.
Audio Research – High-end audio equipment
https://audioresearch.com/
Preamplifiers. 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 ...
Audio Research SP9 preamplifier | Stereophile.com
https://www.stereophile.com/tubepreamps/739/index.html
By critical consensus, the SP11 is the best-sounding tube preamp Audio Research has ever made; certainly it has few, if any, peers. This is not that surprising, given that ARC has never made a less-than-excellent tube product, and that the hybrid cascode design should, in theory, be better than one with tubes alone.
Audio Research SP10, SP8, and SP15 - Bambi B - Amp/Preamp ...
https://www.audioasylum.com/messages/amp/122549/audio-research-sp10-sp8-and-sp15
Audio Research SP10, SP8, and SP15 - Bambi B - Amp/Preamp Asylum ... The SP8 as I say is a wonderful preamplifier too- more "forgiving" of the qualities of the sources than the SP10 and the ECC83 (12AX7) is much easier to find and offers an evern wider range of subtle sound qualities- and for less money. ... Audio Research SP11 and SP15 - Bambi ...
Audio Research SP-9 | Tube | Audiogon
https://www.audiogon.com/listings/lis9i68j-audio-research-sp-9-tube
By critical consensus, the SP11 is the best-sounding tube preamp Audio Research has ever made; certainly it has few, if any, peers. This is not that surprising, given that ARC has never made a less-than-excellent tube product, and that the hybrid cascode design should, in theory, be better than one with tubes alone.
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