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Audio Research SP-12
https://www.qaudio.com/products/audio-research-sp-12
749.00. Audio Research SP 12RM (Rack Mount) tube stereo preamplifier. Specifications. Frequency response High level section: ±.5dB, 4Hz to 30kHz. -3dB points below 1Hz and above 70kHz. Magnetic phono: ±.25dB of RIAA, 30Hz to …
stereonomono - Hi Fi Compendium: Audio Research SP-12 ...
https://stereonomono.blogspot.com/2020/10/audio-research-sp-12-preamplifier.html
The SP-12 is a musically accurate, High Definition wide bandwidth, vacuum tube preamplifier offering the serious music enthusiast uncompromised performance. With proper attention to set up the SP-12 can be placed in virtually any quality audio system, from the least costly to the most sophisticated without compromise in system performance.
AUDIO-RESEARCH SP12 PREAMPLIFIER Service Manual …
https://elektrotanya.com/audio-research_sp12_preamplifier.pdf/download.html
SP-12 SP12 SP 12 AUDIO RESEARCH; If you have any question about repairing write your question to the Message board. For this no need registration. Please take a look at the below related repair forum topics. May be help you to repair. Warning! If you are not familiar with electronics, do not attempt to repair!
Vacuum Tube Audio SP12 Tube Preamplifier with Phono Input ...
https://www.audiogon.com/listings/lisa6919-vacuum-tube-audio-sp12-tube
The VTA SP12 is a 4 tube linestage preamp with a 21 step attenuator and dual mono gain/balance 21 step attenuators replacing conventional volume and balance controls. Its a simple and clean design featuring 5 RCA inputs including a phono stage. For a simple box and design its quite revealing and reveals very detailed nuances in the music.
Yorkville AudioPro SP12 12-Channel Powered Mixer | …
https://reverb.com/item/39490629-yorkville-audiopro-sp12-12-channel-powered-mixer
Audio Research SP-12 Tube Pre-amplifier With Phono Stage ...
https://www.audiogon.com/listings/lis9i141-audio-research-sp-12-tube
Audio Research SP-12 Tube Pre-amplifier With Phono Stage. Excellent! [Expired] no longer for sale Average Research Pricing The SP-12 is an all tube preamplifier. Works perfectly and in excellent cosmetic condition. All switches and tube sockets professionally cleaned. Contains 5 tubes. It has 4 line inputs and a phono input.
yorkville audiopro sp12 - alt.audio.pro.live-sound.narkive.com
https://alt.audio.pro.live-sound.narkive.com/ZvXanuh2/yorkville-audiopro-sp12
Yorkville Audiopro SP-12 powered mixer. Also known as the "MICROMIX" SP12. Are you trying to use it, or to repair it? I have an old catalog that describes it, but no manual. Sorry, no schematic, either, but if you're desperate I might know someone who has the info. There are a few of these still in service out here in the
BANG & OLUFSEN B&O SP12 SP-12 Cartridge – Samurai Audio
https://samuraiaudio.com/products/bang-olufsen-b-o-sp12-sp-12-cartridge
You are looking at the *BANG & OLUFSEN B&O SP12 SP-12 Cartridge Condition: Stylus is still sharp and Good Working Condition !! *Don't forget to check our other auction to view more cool stuff. We'll be glad to combine shipping !! Express Shipping : 3 - 10 days. Standard Shipping : 7 -14 days. Economy S
Vacuum Tube Audio preamp kits - tubes4hifi
http://www.tubes4hifi.com/pre11.htm
M-Audio
https://m-audio.com/products/view/sp-2
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