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SP6B Manual Schem - ARCDB
https://arcdb.ws/Database/SP6/ARC_SP6B_manual.pdf
model sp-6b preamplifier owneris manual audio research rev. f high 1/2/81 3900 annapolis lane north / plymouth, minnesota 55447-5447 / phone: 763-577-9700 fax 763-577 0323
The Vintage Beat: Audio Research SP-6B, Harmon Kardon ...
https://jeffsplace.positive-feedback.com/the-vintage-beat-audio-research-sp-6b-harmon-kardon-citation-1-and-mcintosh-mx110-preamplifiers/
We have been wondering if an SP-6C type circuit (as in the schematics above) could reach an even higher level of performance, given that the SP-6C's circuit and operating points are quite similar to the renowned vintage Marantz 7 preamplifier. But back to Ron's stock vintage Audio Research SP-6B.
ARCDB
https://arcdb.ws/SP6/SP6.html
SP-6B: Harmonic distortion: Less than .01% at 2V RMS output, 20Hz to 20kHz (Typically about .0005% in midband). Intermodulation distortion: Less than .002% at 2V RMS output. SP-6C: Harmonic distortion: Less than .01% at 2V RMS output, 20Hz to 20kHz (Typically about .0002% in …
Audio Research SP6 Tube Preamp - Kevin O
http://kevin.kevino.org/tubes/sp6.shtml
Modified Audio Research SP6 Tube Preamp. In July, 2002 I picked up a 1978 Audio Research SP6 preamp. Here is a photo from the original Ebay ad where I found and bid on it. The unit was in very good condition but badly in need of repair. This preamp had an above average power supply with 11 large twist-lok can capacitors.
Free Audio Research Diagrams, Schematics, Service Manuals ...
https://www.schematicsunlimited.com/a/audio-research
Audio Research Diagrams, Schematics and Service Manuals - download for free! Including: arc cl30 schematic2 new , arcd76 new , arcd90 new , arsp3a new , arsp6c1 new , audio research classic30 power amplifier schematic, audio research classic 30 power supply schematic diagram, audio research d40 power amplifier, audio research d40 power amplifier schematic, …
AUDIO RESEARCH SP-6B TUBE AMPLIFIER | diyAudio
https://www.diyaudio.com/community/threads/audio-research-sp-6b-tube-amplifier.243728/
I'm trying to fix my old audio research SP-6B tube preamplifier,can anyone send me the schematics and parts list? my email is:[email protected]
Review: Audio Research SP-6b Tube preamp - High-End Audio ...
https://forum.audiogon.com/discussions/review-audio-research-sp-6b-tube-preamp
a Acurus DIA 100,when I decided to use the SP6b again. I think it is very important to match the SP6 with a Audio Research amp.I bought a D52b amp used,and it simply sounds wonderful.Very smooth,extremly detailed,not overly bright.I agree the volume knob is sensitive.I see why audio experts have called this one of the finest pre-amps
Audio Research SP-6 High Definition Stereo Preamplifier ...
https://www.hifiengine.com/manual_library/audio-research/sp-6.shtml
Total harmonic distortion: 0.03%. Gain: 60dB (MM), 26dB (line) Signal to noise ratio: 66dB (MM), 90dB (line) Output: 5V (Pre out), 60V (Pre out Max) Valve complement: 6 x ECC83. Dimensions: 480 x 134 x 260mm. Weight: 10kg. Frequency response: 5Hz to 30kHz. Total harmonic distortion: 0.01%.
Audio Research – High-end audio equipment
https://audioresearch.com/
Preamplifiers. Audio Research has produced some of the finest components for music reproduction; this is especially true with regard to preamplifiers. In 1973, the SP3 was hailed as the best preamplifier available, and this tradition of excellence has continued ever since. The Reference Series from Audio Research was first introduced in 1995 ...
PRE AMPLIFIER - THE HIGH END AUDIO STORE
http://www.cinereaudio.com/pre-amplifier.html
AUDIO RESEARCH SP-16 MADE IN USA Specifications: Frequency response Line: +0-1dB, 1Hz to 60kHz at rated output. -3dB points below 0.5Hz and above 100KHz Distortion (THD) Less than .007% at 2V RMS single ended output Noise & hum Line: 15µV RMS IHF weighted at main output with volume low (96dB below 1V RMS output). Gain
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