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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 …
Audio Research SP9 MKII Preamplifiers user reviews : 4.6 ...
http://www.audioreview.com/product/amplification/preamplifiers/audio-research/sp9-mkii.html
2018-1-30 · The preamplifier has kept up with the continuing improvemenst in the rest of the system. The SP 9 mk II is a sensible choice, especially given the low prices on the 2nd (or 3rd) hand market. NAD 1020, Copland 301, Music Reference RM 5, ARC LS2B, ARC LS3B, QUAD 405-2, Futtermann OTL amplifier, ARC VT 100 mkII.
Audio Research SP9 preamplifier SP9 Mk.II measurements ...
https://www.stereophile.com/content/audio-research-sp9-preamplifier-sp9-mkii-measurements
Sidebar 2: SP9 Mk.II measurements Output impedances and line- and phono-stage gains measured pretty much according to the specification, with the CD input gain measuring a sensible 8dB rather than 20dB with the volume control wide open. Fig.1 shows the SP9's line-stage frequency response with the balance control centered. Flat within the audio band, there is a …
Audio Research SP9MKII - Audiocostruzioni
http://www.audiocostruzioni.com/r_s/pre/Audio%20Research%20SP9MKII/Audio-research-sp9-mkII.htm
2021-2-26 · SP-9 MKII (1991) 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 SP-9 MKII Amplifier for sale online | eBay
https://www.ebay.com/p/110900181
item 2 Audio Research SP-9 mkII Hybrid Vacuum Tube Preamplifier - MM MC Phonostage 2 - Audio Research SP-9 mkII Hybrid Vacuum Tube Preamplifier - MM MC Phonostage. $830.00 24 bids 2d 17h. item 3 Audio Research D400MKII Solid State Stereo Power Amplifier 3 - Audio Research D400MKII Solid State Stereo Power Amplifier.
Audio Research SP9 MKII - Audiogon Discussion Forum
https://forum.audiogon.com/discussions/audio-research-sp9-mkii
· Audio Research SP9 MKII. Hello Found two ARC SP9's for sale. The first is the MKII with 6h23p-eb Russian 6922 tubes ... I've heard the SP-9 a number of times in a friends system. I owned the SP-14 for many years. If you can afford it, go with the SP-14. ... I have an SP 9 Mk II coupled with a D130 and MMG’s. After 40 years I have tamed CD’s ...
Audio Research SP 9 MK II natural | eBay
https://www.ebay.com/itm/325035687257
Audio Research SP 9 MK II natural. Factory verified as original; case stamped as MK II (not lithographed). Factory serviced at ARC in April 2021 with invoice included. Loose ground identified, filter capacitors replaced (ARC recommended), and new ARC tubes with now specified dampers. Comes with original factory manual, support documentation, and ARC packaging.
Audio Research SP-9 Preamplifier – Old School | …
https://www.tonepublications.com/old-school/audio-research-sp-9-preamplifier/
The SP-9 hit retailer’s shelves in 1987 with an MSRP of $1,695 and offered tremendous value. 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.
Audio Research SP-9 mkIII | Tube | Audiogon
https://www.audiogon.com/listings/lisaefjj-audio-research-sp-9-mkiii-tube
Audio Research SP-9 mkIII [Expired] Audio Research SP9 MkIII Stereo Tube Preamplifier with MM Phono. 8/10 Excellent condition with minimal visible cosmetic wear including some light nicks around the edges of the top surface. These blemishes are not readily visible and do not detract from the overall appearance.
Audio Research SP9 preamplifier | Stereophile.com
https://www.stereophile.com/tubepreamps/739/index.html
1995-11-29 · 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 …
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