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AUDIO RESEARCH SP9 MKII
https://www.audioantiquary.com/en-us/audio-research-sp9-mkii/#:~:text=Product%20reviews%20The%20SP9%2C%20here%20in%20the%20Mark,sonic%20performance%2C%20it%20is%20really%20a%20%22best%20buy%22
Audio Research SP9 MKII Preamplifiers user reviews : 4.6 ...
http://www.audioreview.com/product/amplification/preamplifiers/audio-research/sp9-mkii.html
This review is for the MK I, and not the nearly identical MK II. The SP9 is one of the most musical pre-amps I've yet to hear regardless of price. Being a dealer of used audio equipment, I've been fortunate to hear all sorts. The system …
Audio Research SP9 preamplifier Guy Lemcoe SP9 Mk.II …
https://www.stereophile.com/content/audio-research-sp9-preamplifier-guy-lemcoe-sp9-mkii-1290
The hybrid SP9 Mk.II uses two 6DJ8 tubes, one in the phono stage and one in the line section, each ringed with tube dampers, like the solitary 6DJ8 in the ARC SP14. The SP9 Mk.II is a revision of the original SP9 introduced in the Summer of 1987, embodying what Audio Research calls a group of 14 different improvements. J.
Audio Research SP9 MKII Preamplifiers user reviews : 4.6 ...
http://www.audioreview.com/product/amplification/preamplifiers/audio-research/sp9-mkii.html?p=2
Audio Research SP9 can really ensure sterling performance from a modest system. For more musical delight, am looking forward to the system's upgrade to tube amp and matching speakers to compliment my SP9. For now, the SP9 MKII already earns 5 stars for its performance and will remain in my system for a long time.
Audio Research SP9 Review - VintageSonics
https://vintagesonics.com/reviews/amplifiers/audio-research-sp9-review/
The SP9 is a fantastic do-it-all preamplifier that’s beautifully crafted, easy to use and own, and just about reasonable. Audio Research Corporation has created a great many pre and power amplifiers over the years, but the SP9 stands out as a great do-it …
Audio Research SP9 MKII - Audiogon Discussion Forum
https://forum.audiogon.com/discussions/audio-research-sp9-mkii
Hello Found two ARC SP9's for sale. The first is the MKII with 6h23p-eb Russian 6922 tubes the second was a SP9 that was sent back to ARC and upgraded to the MKII, it has 2-6922 Sovtek Tubes installed .
Audio Research SP9 preamplifier | Stereophile.com
https://www.stereophile.com/tubepreamps/739/index.html
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. Obviously, like all magazines, we …
Audio Research SP-9 Preamplifier – Old School | TONEAudio ...
https://www.tonepublications.com/old-school/audio-research-sp-9-preamplifier/
Audio Research obviously knew it was on to something, later offering Mk II and Mk III upgrades, costing $1,795 and $2,495 when discontinued in 1996. With each, there were wiring changes, power supply upgrades and better circuit boards to …
Audio Research SP-9 MK II Preamplifier | BGS | Reverb
https://reverb.com/item/46284718-audio-research-sp-9-mk-ii-preamplifier
Audio Research SP-9 MK II Preamplifier. Used – Excellent. $1,049.99. Free Shipping. As low as $49/month with. Affirm Logo.
Audio Research SP9 and tube rolling | Steve Hoffman …
https://forums.stevehoffman.tv/threads/audio-research-sp9-and-tube-rolling.821604/
Audio Research would have never used them across all models if that were the case. The best version of the sp9 was the mk3, the first version sounded like phase issues and was unimpressive The Amperex are excellent tubes for the AR …
AUDIO RESEARCH SP9 MKII
https://www.audioantiquary.com/en-us/audio-research-sp9-mkii/
Product reviews. The SP9, here in the Mark 2 version, is Audio Research's best-selling preamp ever. Available on the second-hand market at a modest price when compared to the sonic performance, it is really a "best buy". This specimen is a rare version with black knobs instead of silver as usually proposed. Completely overhauled, the old ALPS ...
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