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Thread: Attenuator

  1. #11
    Join Date: May 2016

    Location: Much Wenlock

    Posts: 1,080
    I'm Gary.

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    Quote Originally Posted by Barry View Post
    Well assuming the CD player has a low source impedance (most likely to be < 100R), and the line-level input of your preamp presents a typical load impedance of 10k, then with a 6k8 series resistor and 4k7 shunt resistor your L-pad attenuator will offer an attenuation of 9.9dB, so the values suggested are quite correct.
    Many thanks for your input, I wasn't trying to be evasive to your questions but this was over my head.

    Now....where can I get the above value resistors? Any ideas?

    Tried looking in all sorts of places, but to no avail.

    Gary
    It is easier to seek forgiveness than to ask permission

    Rules are meant for the obedience of fools and the guidance of wise men

  2. #12
    Join Date: Jan 2009

    Location: Essex

    Posts: 21,459
    I'm openingabottleofwine.

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    Try https://www.cricklewoodelectronics.c...rs.html?page=3 You can order on-line or by phone.
    Barry

  3. #13
    Join Date: May 2016

    Location: Much Wenlock

    Posts: 1,080
    I'm Gary.

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    Many thanks for your help, just ordered.

    Gary


    Sent from my iPhone using Tapatalk
    It is easier to seek forgiveness than to ask permission

    Rules are meant for the obedience of fools and the guidance of wise men

  4. #14
    Join Date: Jan 2009

    Location: Essex

    Posts: 21,459
    I'm openingabottleofwine.

    Default

    You're welcome Gary.

    Let us know how you get on.
    Barry

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