Home Forums Vintage EHX Vintage Micro Synthesizer

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  • #77633
    Fender&EHX4ever
    Moderator

    70s MICRO SYNTHESIZER ELECTRO HARMONIX -VENDIDO-

    Anyone know much about these?

    I’m guessing that these versions with the pushbutton switch on the left side are the earliest version of the Micro Synthesizer. How different are they from the later versions?

    Are the circuits very different?

    #91719
    Ned Flanders
    Moderator

    Don’t know anything about them and I never see them on eBay either. Is it yours?

    #91720
    The EH Man
    Moderator

    I think there may be some minor revisions to the circuit but nothing I’d consider major.

    #91721
    Fender&EHX4ever
    Moderator
    Quote:
    Don’t know anything about them and I never see them on eBay either. Is it yours?

    Not mine, unfortunately. There’s a broken one on eBay now, but it’s being sold as a lot with a bunch of other broken pedals.

    Quote:
    I think there may be some minor revisions to the circuit but nothing I’d consider major.

    Thanks, EHman. Do you have one?

    #91722
    The EH Man
    Moderator

    Probably. I don’t know what I have anymore.

    #93188
    mojek
    Member

    Hi there!
    I own one of these, i´ve bought that screwed togehter with IC HotTubes and DeluxeMemoryMann, and splitted them apart. Do not know the detail.

    Mojek

    #93210
    Fender&EHX4ever
    Moderator
    Quote:
    Hi there!
    I own one of these, i´ve bought that screwed togehter with IC HotTubes and DeluxeMemoryMann, and splitted them apart. Do not know the detail.

    Mojek

    Yours has been modified well beyond it’s original design. I’d love to hear a demo of it. Does it actually work right now? I don’t see a power supply.

    #93238
    mojek
    Member
    Quote:
    Quote:
    Hi there!
    I own one of these, i´ve bought that screwed togehter with IC HotTubes and DeluxeMemoryMann, and splitted them apart. Do not know the detail.

    Mojek

    Yours has been modified well beyond it’s original design. I’d love to hear a demo of it. Does it actually work right now? I don’t see a power supply.

    Yes, i guess it works, yesterday i´ve built stabilized DC 24V/10W power supply for all three boxes(it took them apart, before it they worked fine), next week i´ll try to record some samples with it. Unfortunately, i still do not know additional knob functions, to tell you what they´re meant:((…but that´s the adventure:)))

    Mojek

    #95738

    I recently recieved one of these in the mail from my cousin… late 70s model I believe. Anybody know the main differences between it and its modern counterpart?

    #95781
    mojek
    Member
    Quote:
    I recently recieved one of these in the mail from my cousin… late 70s model I believe. Anybody know the main differences between it and its modern counterpart?

    hi Mygodishendrix!

    please, main differencies o know are 1) in/out jackas and footswitch are on the other different sides, 2) different word description of pots and different brand 3) supply differencies (with or without tranny inside)

    please, would it be problem to open yours and make photo of back of pcb?? i still didn´t wake it to life it would help me to make me more shure how is this machine connected very much!!

    regards,

    mojek

    #95782
    mojek
    Member
    Quote:
    I recently recieved one of these in the mail from my cousin… late 70s model I believe. Anybody know the main differences between it and its modern counterpart?

    hi Mygodishendrix!

    please, main differencies o know are 1) in/out jackas and footswitch are on the other different sides, 2) different word description of pots and different brand 3) supply differencies (with or without tranny inside)

    please, would it be problem to open yours and make photo of back of pcb?? i still didn´t wake it to life it would help me to make me more shure how is this machine connected very much!!

    regards,

    mojek

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