Preamplificatore Audio Research Sp9

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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 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. The SP-9 hit retailer’s shelves in 1987 with an MSRP of $1,695 and offered tremendous value.

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 SP9MKII - Audiocostruzioni

http://www.audiocostruzioni.com/r_s/pre/Audio%20Research%20SP9MKII/Audio-research-sp9-mkII.htm

Technically, the Mark II version of the SP9 preamplifier includes a group of 14 different improvements, utilizing 61 component and wire changes. These combine to provide enhanced reliability and flexibility, in addition to the sonic improvements.

Audio Research SP9 MKII Preamplifiers user reviews : 4.6 ...

http://www.audioreview.com/product/amplification/preamplifiers/audio-research/sp9-mkii.html

Audio Research SP9 MKII Preamplifiers . USER REVIEWS . Next 10. Showing 1-10 of 21 [Apr 23, 2019] n.g. Strength: Dit gaat over de sp9 mkIII Zeer open en luchtig en een enorm realistisch geluidsbeeld. Dit is muziek beleven inplaats van luisteren heel aangenaam Tube rolling is zeker de moeite waard bij deze amp. De Phillips SQ E188cc is een ...

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