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Audio Research SP-6A

    https://www.audiocircle.com/index.php?topic=166676.0
    Audio Research SP-6A. « on: 8 Dec 2019, 03:09 am ». For sale is vintage Audio Research SP-6A. tube preamplifier. I had a few of those preamps over the years and this is the best of them. It is unusual in the sense that it must …

Tubes for the Audio Research SP 6A | Antique Electronic Supply

    https://www.tubesandmore.com/sets-by-amplifier/audio-research/sp-6a
    The Audio Research SP 6A amplifier requires the following components: × 6. 12AX7. Type: Please make a selection above. ...

Audio Research Sp-6a-Should it be modified?

    https://forum.audiogon.com/discussions/audio-research-sp-6a-should-it-be-modified
    Audio Research Sp-6a-Should it be modified? First, thanks for all the input. With your help, I have found an amazing repairperson, and will write about his work after the repair. He said he could modify the pre-amp and bring it to current levels of performance. What do you think? Should I have it modified or leave the circuits original?

Audio Research SP-6a | Tube | Audiogon

    https://www.audiogon.com/listings/lisa4h76-audio-research-sp-6a-tube
    Audio Research SP-6a for sale. Selling my SP-6a. I have owned for about 20 years. Always used as a back-up when primary down for upgrades/repairs. Retubed about 10 years back. Ran continuously for last 24 hours. Sounded great wi...

ARCDB

    https://arcdb.ws/SP6/SP6.html
    SP-6A: 500 ohms main output, 1000 ohm tape output. Recommended minimum load for maximum audio quality 50K ohms and 500pF maxumum capacitance. SP-6B: Less than 500 ohms main output, 1000 ohms tape output. Recommended minimum load for maximum audio quality, 50K ohms and 250 pF maximum capacitance. SP-6C: 1000 ohms main output and tape …

Audio Research SP-6A | Pre-Amplifiers | Audiogon

    https://www.audiogon.com/listings/lis9j24a-audio-research-sp-6a-pre-amplifiers
    Pre-Amplifiers. Audio Research SP-6A used For sale is vintage Audio Research SP-6 tube preamplifier. I had a few of those preamps over the years and this is the best of them. It is unusual in the sense that it must be a transition or exper... 1380.00.

Audio Research SP-6A - YouTube

    https://www.youtube.com/watch?v=1debNRCDaw8
    Function testing of SP-6A

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.

Audio Research SP-6 High Definition Stereo Preamplifier ...

    https://www.hifiengine.com/manual_library/audio-research/sp-6.shtml
    These (the 6 and 8 series preamps) put Audio Research into a ton of audiophile homes. These are somewhat overly warm but detailed preamplifiers that are wonderfully accurate on voices and most instruments. They are available on the used market at very affordable (by 2020 standards) of about $700. Beats anything else close to that price.

Audio Research SP-6A - Singapore & Malaysia Hifi | Hifi ...

    http://www.listeninn.com/product/407001-10509/Pre-Amplifier/Audio+Research+SP-6A
    The Audio Research SP-6A is a tube stereo preamplifier introduced in 1978 with extremely revealing and detailed phono section. Front and rear panels are of two-color anodized aluminum construction for permanent finish and lettering, made of industrial grade components and construction for long service life. The front panel of the Audio Research SP-6A includes a …

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