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    Add RCA Outputs To ST-70


    Posts : 23
    Join date : 2013-10-16

    Add RCA Outputs To ST-70 Empty Add RCA Outputs To ST-70

    Post by EddieGnz1 on Sun Dec 01, 2013 10:53 pm

    I'd like to somehow add RCA outputs to an ST-70.

    1) is it possible to somehow tap into the audio signal after the driver board but before the EL34's so that the RCA outputs have the increased voltage of the driver board and the volume will be controlled by the volume knob on the ST-70? (the volume knob being the one sold for $50 at Tubes4hifi).

    The purpose of these RCA outputs is to feed a powered subwoofer

    2) are there any adverse effects that you might adverse that it's best to just use a standalone preamp to feed both amps?

    kind thanks,

      Current date/time is Thu Feb 27, 2020 10:37 pm