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  • #21970
    Anonymous
    Guest

    Don’t have a J113 for Q1.What would be the best substitute.

    #21973
    Barry
    Keymaster

    MPF102, J201, 2N5457.

    I might use a socket to be able to switch out the transistor in case you have trouble with Biasing.

    I carry them all in my shop if needed including the J113. They all have the same orientation for pinout as well.

    #21979
    Anonymous
    Guest

    Thanks Barry.

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