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Audio Research SP-11 for sale.
https://audioscope.net/audio-research-sp11-p-1005.html?products_id=1005
Audio Research SP-11 Hybrid Tube Preamplifier in excellent condition, light wear on the faceplates corners only with original manual. Here some information from Alex Megann. For the complete - extremly interesting - (technical) review take a look at this URL: http://www.soton.ac.uk/~apm3/diyaudio/SP11.html
Audio Research SP11 MKII | Tube | Audiogon
https://www.audiogon.com/listings/audio-research-sp11-mkii
Audio Research SP11 MKII [Expired] no longer for sale Average Research Pricing 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 like this would sell for new today!
BlueMoonHouse-Sophos Audio Research - SP11 pre ...
http://www.bluemoonhouse-sophos.com/pre-amp-audio-research-sp11-3/
Audio Research – SP11 pre . Marca: Audio Research ... Usato – Second hand. Cerca nel sito. Cello Duet 350 StereoAmp . The Best Hi-End – Report. Cello, by Mark Levinson – Report. Wilson Audio. Soulution Audio. Eggleston Works. Air Tight. Marten. Western Electric.
Audio Research SP11 MKII Preamplifiers user reviews : 5 ...
http://www.audioreview.com/product/amplification/preamplifiers/audio-research/sp11-mkii.html
The SP-11 accepts 4 line-level inputs as well as one phono source. Six 6922 tubes are what you need to get this baby glowing and singing. The power supply box is of similar size to the control unit, but with only 2 toggle switiches and no knobs.
stereonomono - Hi Fi Compendium: Audio Research SP11
https://stereonomono.blogspot.com/2017/03/audio-research-sp11.html
The SP11 is a hybrid unit, utilizing both vacuum tubes and FETs (Fiel Effect Transistors). It is not intended that this product should somehow continue the controversy of "vacuum tubes" vs. "solid-state". Rather, in keeping wit Audio Research's design philosophy of advancing the state-of-the-art., each type of device is used where it performs best.
Audio Research SP11 MKII For Sale - Canuck Audio Mart
https://www.canuckaudiomart.com/details/649683245-audio-research-sp11-mkii/
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 near its full-up position, the other turned down …
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.
Audible Illusions Modulus 3 Audio Research SP-11
https://forum.audiogon.com/discussions/audible-illusions-modulus-3-audio-research-sp-11
Infinity IRS MK5 with sevro, Audio Research Sp-11 Mk2, Vincent CD S-6 tube cd player, Audio Research M-300 at the mids and highs or VTL300's. Infinity IRS Gamma, Audio Research Sp-11 Mk1, Lector CDP-7, Conrad Johnson premier 5 on top. Threshold SA10e on botom. All cables are Monster M-1000 cables and M-1 for speakers.
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