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Audio Research SP14 preamplifier | Stereophile.com
https://www.stereophile.com/content/audio-research-sp14-preamplifier
Audio Research SP14 Preamplifiers user reviews : 4.2 out ...
http://www.audioreview.com/product/amplification/preamplifiers/audio-research/sp14.html
Audio Research SP14 Preamplifiers. 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 tube.
SP14 - Excel Stereo
http://excelstereo.com/sp14.htm
Audio Research SP-14 Preamp . This customer wanted a major overhaul and upgrade to his preamp. All capacitors were replaced with high equality Mundorf or V-Cap capacitors. Resistors are replaced with expensive Vishay Metal Film resistors. Total labor exceeds 40 hours, involving the complete disassembly of the entire chassis, and all PCBs.
Audio Research SP14 preamplifier Measurements ...
https://www.stereophile.com/content/audio-research-sp14-preamplifier-measurements
Fig.3 Audio Research SP14, CD input frequency response, V/C set to unity gain (0.5dB/vertical div.) Fig.4 Audio Research SP14, phono input frequency response, measured at Tape 1 outputs (0.5dB/vertical div.) All other aspects of the SP14 seemed to be to specification, including gain structure, noise, and overload.
Audio Research SP14 preamplifier Page 2 | Stereophile.com
https://www.stereophile.com/content/audio-research-sp14-preamplifier-page-2
Audio Research SP14 preamplifier Page 2. The rear panel of the SP14 is neatly laid out with solid, gold-plated jacks. In traditional ARC manner, the right-channel sockets are above the left-channel ones. With the system settled and the preamps cooking, I went about the task of selecting LPs and CDs to use in my evaluation.
Audio Research LS15 vs. SP14 - Audiogon Discussion Forum
https://forum.audiogon.com/discussions/audio-research-ls15-vs-sp14
The SP-14 is a fine preamp with an excellent phono stage. I ran it with a number of amps, including an ARC Classic 60, Atmosphere OTL 60 watt mono blocks and even two of Frank Van Alstine's biggest stereo amps bridged.
introducing the super performance SP14 preamplifier
http://www.tubes4hifi.com/SP14.htm
Yes, my Vacuum Tube Audio SP14 is a $5000 preamp that I sell for $1550 (assembled/tested/warranty). Here I'm going to tell you how that's possible and why it's such a great bargain (if you didn't already know). I've been meaning to write this for 3-4 years now, but just never got around to it. But now, here it is.
Audio Research SP-14 Preamplifier | Tube | Audiogon
https://www.audiogon.com/listings/lis9949d-audio-research-sp-14-preamplifier-tube
Audio Research Sp-14 hybrid stereo preamplifier w tube phono input, six line level FET inputs and two tape loops. I’ve used this unit for 6 or 7 y ars first with a Krell KSA-80 and then with a pair of Manley Snappers. Flawless in both cosmetics and operation. Silver faced, with selectable mono mode and adjustable gain.
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 SP-14 | Tube | Audiogon
https://www.audiogon.com/listings/lisa93jf-audio-research-sp-14-tube
Audio Research SP14 Stereo Tube / Hybrid Preamp I upgraded to Wavestream Kinetics line and phono tube preamplifiers so this SP14 is now sitting on the shelf. I am the second owner and owned it since 1990; first owner owned for 6 months and he upgraded to Audio Research reference model.
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