Audio Research Sp 14 Phono Stage

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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

The SP-14 is a brutually neutral unit capable of producing a large well defined sound stage with images that seem to float in mid-air. Revealing and extremely detailed(maybe to detailed). You may like the euphonic sound of the Mac, but the SP-14 is just as musical.

Audio Research SP-14 | Tube | Audiogon

https://www.audiogon.com/listings/lis9ihc1-audio-research-sp-14-tube

Audio Research SP-14 for sale. Original owner Brand new phono stage tube directly from Audio Research The Power toggle switch needed replacing years back, but I have been using it through my power conditioning switchable device ...

AUDIO RESEARCH SPI4 AND CLASSIC 60

https://www.cieri.net/Documenti/Schemi/Audio%20Research%20SP14%20(Phono%20stage).pdf

AUDIO RESEARCH SPI4 AND CLASSIC 60 Manufacturer's specification SP14 frequency response line ( ± 0 5dB) RIAA aceurac) 30Hz 40kHz Gain disc input to main output Output impedances (main/tape) Rated output 5Hz 50kHz Maximum output at 1 kHz (1 2% THD) Dimensions (whd ) exc handles Weight Typical price inc VAI Manufacturer's specification ...

Audio Research SP-14 — Polk Audio Forum

https://forum.polkaudio.com/discussion/189300/audio-research-sp-14

Distortion: less than 0.01% at 2V output. Input impedance: 47k ohms standard, with user-adjustable resistance and capacitance (600pF as supplied) (phono); 50k ohms (line). Output impedance: 250 ohms (main), 1000 ohms (tape-out). Recommended load: 60k–100k ohms in parallel with 100pF (20k ohms minimum and 1000pF maximum).

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