Home Forums GuitarPCB Build Support Vibe question

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  • #13998
    Jimilee
    Participant

    Is there any reason than 2n5457s wouldn’t work in the vibe?

    #13999
    Billy
    Moderator

    A matched set of either will work the only real difference is pinout one’s GSD (5457) the other DSG (5952) there are obviously differences but none that will make any major difference in a 9v circuit

    They’re being used as voltage controlled variable resistors for shifting the notches automatically so it will work if they’re matched

    https://www.electrosmash.com/mxr-phase90

    #14000
    Jimilee
    Participant

    I figured that was the case, thank you.Is there a feedback resistor that can be removed much like the phase 90, that will make the “phase style” univibe deeper and richer? zfor example, in the phase 90, it was the 22k resistor connected to pin 7 of IC 3.

    #14001
    Billy
    Moderator

    Looks like SW1 brings the feedback resistor in and out of circuit R16

    I’ve heard a lot of people saying the phase 45 is nice, much more subtle so I’d consider that mod too

    #14002
    Jimilee
    Participant

    *facepalm* I totally missed that!

    #14009
    Billy
    Moderator

    Haha yeah had a few of them Jimilee plus forehead slaps on occasion

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