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Audio Research SP9 preamplifier Specifications ...

    https://www.stereophile.com/content/audio-research-sp9-preamplifier-specifications#:~:text=Audio%20Research%20SP9%20preamplifier%20Specifications%20Sidebar%203%3A%20Specifications,response%3A%2030Hz-40kHz%20%C2%B10.3dB%20%28RIAA%20phono%29%2C%205Hz-50kHz%20%C2%B10.5dB%20%28line%29.
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Audio Research SP9 preamplifier Specifications ...

    https://www.stereophile.com/content/audio-research-sp9-preamplifier-specifications
    Audio Research SP9 preamplifier Specifications. Description: hybrid (tube/FET) stereo preamplifier with one phono input, six line-level inputs, and two tape loops. Frequency response: 30Hz-40kHz ±0.3dB (RIAA phono), 5Hz-50kHz ±0.5dB (line). Distortion: <0.01% at 2V output.

audio research

    https://audioresearch.com/wp-content/uploads/2021/08/SP9_Manual.pdf
    with cover removed. Refer servicing to your authorized Audio Research dealer or other qualified personnel. 3. The power cord on your SP9 is equipped with an 18-guage, 3-conductor cable and a standard three-prong grounding plug. In addition, your SP9 uses an isolating power transformer with 4 KV-rated insulation.

Audio Research SP9 Review - VintageSonics

    https://vintagesonics.com/reviews/amplifiers/audio-research-sp9-review/
    The Audio Research SP9 was a complicated, no-expense-spared design that had been ‘shrunk in the wash’ to make it more inexpensive. When it was first released, it was still quite pricey, but you didn’t have to be Richard Gere to afford one. Here was a taste of one of the finest aspects of hi-fi living, brought within audiophiles’ reach.

Audio Research SP-9 Stereo Pre Amplifier Manual | HiFi Engine

    https://www.hifiengine.com/manual_library/audio-research/sp-9.shtml
    mk2. Frequency response: 1Hz to 200kHz. Total harmonic distortion: 0.01%. Output: 2V (Pre out) Valve complement: 2 x 6DJ8/ECC88. Dimensions: 480 x …

ARCDB

    https://arcdb.ws/SP9/SP9.html
    SP9: 19” (48 cm) W x 5 1/4” (13.4 cm) H (standard rack panel) x 10 1/4” (26 cm) D. Handles extend 1 5/8” (4.1 cm) forward of the front panel. Rear chassis fittings extend 7/8” (2.3 cm). SP9 MKII/III: 19” (48 cm) W x 5 1/4” (13.4 cm) H (standard rack panel) x 10 1/4” (26 cm) D. Handles extend 1 1/2” (3.8 cm) forward of the front panel.

Audio Research SP9 preamplifier | Stereophile.com

    https://www.stereophile.com/tubepreamps/739/index.html
    Audio Research SP9 preamplifier. Following the introduction of their very expensive, tube/FET hybrid SP11 preamplifier, there were rumors that Audio Research was working on a hybrid tube/transistor preamplifier targeted to cost less than $2000. The rumors were confirmed when ARC showed a black-and-white photo of the SP9 at the 1987 Winter CES.

Audio Research SP9 Tube / Solid State Hybrid Preamp with ...

    https://skyfiaudio.com/products/audio-research-sp9-tube-hybrid-preamp-with-phono-input
    Details and Specifications: INTRODUCED 1987 OPTIONS Remote control $500 (1994) MSRP SP9: $1,695 FREQUENCY RESPONSE High Level Section: ±.5dB, 5 Hz to 50 kHz, - 3dB points below 1 Hz and above 200kHz. Phono: ±.3dB of RIAA, 30Hz to 40kHz. DISTORTION (THD) Less than 0.1% at 2V RMS output. (Typically less than 0.005% in midband) NOISE & HUM

Audio Research SP-9 Preamplifier – Old School | TONEAudio ...

    https://www.tonepublications.com/old-school/audio-research-sp-9-preamplifier/
    The Audio Research SP-9 redefined the term “bullet-proof.” While previous all-tube models often encountered noise, channel imbalance, hiss and distortion, this new hybrid design was dead quiet, linear, and most of all, musical.

Audio Research SP-9 | Tube | Audiogon

    https://www.audiogon.com/listings/lis9i68j-audio-research-sp-9-tube
    Audio Research SP-9 trade in --sounds great and looks great Audio Research SP9 preamplifier J. Gordon Holt, Various | Nov 29, 1995 | First Published: Nov 29, 1987 Following the introduction of their very expensive, tube/FET hybrid SP11 preamplifier, there were rumors that Audio Research was working on a hybrid tube/transistor preamplifier targeted to cost less than $2000.

Audio Research SP-9 mkIII | Tube | Audiogon

    https://www.audiogon.com/listings/lisadf0a-audio-research-sp-9-mkiii-tube
    better description at – zstereo.co.uk/2017/04/15/audio-research-sp9/ L/D/H (inches) 19/10.25/5.25 Weight 13 lbs. WHY SELLING Downsized. Because there's no better space, one system is now in dining room. Not good – limits how much I use it, that space is not great acoustically, and I worry about damage there. WHERE SELLING Lower 48. COST SHARING

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