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Audio Research SP14 preamplifier - Stereophile.com
https://www.stereophile.com/content/audio-research-sp14-preamplifier
The SP14 is a hybrid design, and follows in the tradition of the SP9 Mk.II in using one 6DJ8 dual-triode vacuum tube in an intermediate gain stage of …
Audio Research SP14 Preamplifiers user reviews : 4.2 out ...
http://www.audioreview.com/product/amplification/preamplifiers/audio-research/sp14.html
Audio Research SP14 Preamplifiers [Jun 13, 2018] dunal Strength: 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.
Audio Research SP-14 | Tube | Audiogon
https://www.audiogon.com/listings/lisa93jf-audio-research-sp-14-tube
Audio Research SP-14 for sale. 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 sinc...
SP14 - Excel Stereo
http://excelstereo.com/sp14.htm
SP14 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 Page 2 | Stereophile.com
https://www.stereophile.com/content/audio-research-sp14-preamplifier-page-2
The SP14 clearly differentiated the damped, metallic sound of the rubboard from the undamped, metallic sound of the cymbals, making it easy to follow their individual rhythms. The overall sound of the rubboard took on interesting characteristics when heard through each preamp.
Audio Research SP-14 - Polk Audio Forum
https://forum.polkaudio.com/discussion/189300/audio-research-sp-14
Audio Research SP-14. rebelsoul Posts: 319. January 2020 edited January 2020 in For Sale (FS) Classifieds. Mint condition 8 out of 10 ... This one has a phono preamp built in. Audio Research preamps are usually, perhaps always, designated with an “SP” in the model number. 0 ...
Audio Research SP-14 Preamp For Sale - Canuck Audio Mart
https://www.canuckaudiomart.com/details/649710991-audio-research-sp-14-preamp/
A Tune-up for the Audio Research SP-4/4A ... - Conrad Hoffman
http://conradhoffman.com/SP4A_caps.htm
A Tune-up for the Audio Research SP-4/4A Preamp. Introduction. The ARC SP-4 preamp was ARCs first solid state preamp. It was controversial at the time and some say it almost destroyed the company. Opinions about the sound quality are all over the map but based on dealer comments and my listening, it wasn't exactly world class.
Audio Research SP-12
https://www.qaudio.com/products/audio-research-sp-12
749.00. Audio Research SP 12RM (Rack Mount) tube stereo preamplifier. Specifications. Frequency response High level section: ±.5dB, 4Hz to 30kHz. -3dB points below 1Hz and above 70kHz. Magnetic phono: ±.25dB of RIAA, 30Hz to 20kHz. Distortion (THD)Harmonic distortion: Less than .02% at 2V RMS output, 20Hz to 20kHz.
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