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Audio Research SP20 preamplifier | Stereophile.com
https://www.stereophile.com/content/audio-research-sp20-preamplifier
The SP20's physical appearance combines old and new. The faceplate with two large knobs evokes the look of the classic Audio Research designs of the early 1970s. There are also controls for input selection, volume, power, mute, and the headphone/speaker toggle.
Audio Research SP20 Preamplifier - Feature Articles
https://www.soundstageultra.com/index.php/equipment-menu/484-audio-research-sp20-preamplifier
Audio Research SP20 Preamplifier Price: $9000 USD. Warranty: Three years parts and labor to original purchaser; tubes, 90 days. Audio Research Corporation 3900 Annapolis Lane N. Plymouth, MN 55447-5447 Phone: (763) 577-9700 Fax: (763) 577-0323. Website: www.audioresearch.com
Audio Research SP-20 Tube Preamp with Phono Section ...
https://skyfiaudio.com/products/audio-research-sp-20-tube-preamp-with-phono-section
Audio Research SP-20 Tube Preamp with Phono Section. $0. Top of the line fully functional tube preamp just below the reference series from AR. Fully balanced pure class-A circuit design for superb accuracy and transparency. Awesome LCD readout which makes adjustments and status super visible, even to older eyes.
User Guide - audioresearch.com
https://audioresearch.com/wp-content/uploads/2021/08/SP20-Manual.pdf
Thank you for selecting the SP20 as part of your music listening system. The engineers and designers at Audio Research have spent countless hours of listening and testing to create a preamplifier of the highest caliber for music reproduction. The SP20 has been designed to provide you many years of playback.
Audio Research SP-20 Preamplifer ARC SP-20 | Tube | Audiogon
https://www.audiogon.com/listings/lisaf21b-audio-research-sp-20-preamplifer-arc-sp-20-tube
Audio Research SP-20 Preamplifier (Silver) Purchased 3/2019 from the original owner with invoice from ARC when he purchased the preamp. The SP-20 is in excellent to mint condition, with two or three small scuffs in the paint on top of the tube cover. Front and rear panels are mint.
Audio Research SP-20 Tube Preamp with Phono Section ...
https://www.audiogon.com/listings/lis9c50h-audio-research-sp-20-tube-preamp-with-phono-section-complete-tube
The SP20's physical appearance combines old and new. The faceplate with two large knobs evokes the look of the classic Audio Research designs of the early 1970s. There are also controls for input selection, volume, power, mute, and the headphone/speaker toggle.
Audio Research - Audio-Circuit.dk
https://audio-circuit.dk/audioresearch/
Audio Research SP20 Preamp - Tube Replacement Sets
https://www.thetubestore.com/shop-by-amp/home-audio-tube-packages/audio-research-amps/audio-research-sp20-preamp
Re-tube your Audio Research SP20 Preamp with our specially selected vacuum tube sets. Our Audio Research tube replacement kits are designed for your amplifier and come in different option levels ranging from OEM to Premium to Ultimate.. We’ve been supplying tubes for Audio Research amps for over 20 years.
ARCDB
https://www.arcdb.ws/SP20/SP20.html
Description. Influenced by some of our classic groundbreaking SP preamplifiers, the SP20 takes visual cues from past Audio Research products while incorporating our latest designs and technologies. The SP20 is a full-function line stage which incorporates a phono preamplifier and, for the first time ever on an Audio Research preamp, there is a ¼" headphone jack.
Audio Research SP20 preamplifier Page 2 | Stereophile.com
https://www.stereophile.com/content/audio-research-sp20-preamplifier-page-2
With the neutral, detailed, dynamic, and flexible SP20, Audio Research has hit one out of the park. The company has provided in the SP20 a level of performance of both phono and line stage that would cost almost twice as much to match with ARC …
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