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Thread: Matching a phono preamp to a cartridge...

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    Senior Member louped garouv's Avatar
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    Matching a phono preamp to a cartridge...

    So, I was reading some HP BArney Oliver stuff recently...

    a question I have, is what's the math behind matching a cartridge to a preamp, generally?

    is it the formula here in the Barney Oliver pre-amplifier schematic the same that would be generally used in other circuits also?

    it's the R1* formula, bottom right...
    the resistor is just behind the cart in the diagram on the left...

    http://www.hpmemory.org/pict/news/ba...sch_preamp.jpg

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    Senior Member Hoerninger's Avatar
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    Quote Originally Posted by louped garouv View Post

    what's the math behind matching a cartridge to a preamp, generally?
    http://www.hagtech.com/loading.html
    Shows the math and offers an online calculator.

    (I'm running a Shure V15 with about 50pF and 100k Ohm using a buld-in pre)
    Some more tweaks are here:
    http://www.audioheritage.org/vbullet...l=1#post141782
    http://www.vacuumstate.com/fileupload/SP_15_Article.pdf
    ____________
    Peter

  3. #3
    Senior Member louped garouv's Avatar
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    Quote Originally Posted by Hoerninger View Post
    http://www.hagtech.com/loading.html
    Shows the math and offers an online calculator.

    (I'm running a Shure V15 with about 50pF and 100k Ohm using a buld-in pre)
    Some more tweaks are here:
    http://www.audioheritage.org/vbullet...l=1#post141782
    http://www.vacuumstate.com/fileupload/SP_15_Article.pdf
    ____________
    Peter

    many thanks!

    I'll start the investigation later this evening!

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