Home › Forums › Vintage EHX › 70’s 5 knob deluxe octave multiplexer pot problem HELP!!

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  • May 21, 2016 at 3:57 pm #84402
    juggernaut
    Member

    Hi
    I’m having a issue with a pot for my 70’s 5 knob deluxe octave multiplexer it cuts out and Deoxit helps a little/intermediately but not solving the issue please help.
    Thanks

    May 21, 2016 at 9:25 pm #121535
    Scruffie
    Member

    If the pot’s definitely the problem and intermittent aside from opening it up and attempting to fix it the best option will be just to replace it.

    Sensitivity, Tone & Sub-Harmonic are all B10k and Sensitivity & Blend are B100k.

    May 22, 2016 at 12:33 am #121536
    juggernaut
    Member

    Thanks …are there any brands you can suggest ?
    I’m pretty green to soldering and the electronics world.

    May 22, 2016 at 2:13 pm #121538
    Scruffie
    Member

    Hmm finding a D-Shaft mount like the original will be tricky, you’ll have to wire in a different style of pot with a replacement knob most likely.

    Where are you located? I can suggest a decent ‘local’ supplier.

    June 6, 2016 at 2:02 am #121595
    juggernaut
    Member
    Quote:
    Hmm finding a D-Shaft mount like the original will be tricky, you’ll have to wire in a different style of pot with a replacement knob most likely.

    Where are you located? I can suggest a decent ‘local’ supplier.

    Hi
    Did you happen to find a local or a another supplier of a D – shaft pot for my Deluxe Octave Multiplexer ?
    Thanks

    June 9, 2016 at 10:38 pm #121612
    Scruffie
    Member

    Hey

    Sorry, I missed your PMs!

    As I said, finding a D-Shaft like the original will be difficult, usually they only come up on NOS parts broker sites in small quantities, that or scouring ebay.

    Before you replace it though, can you describe the problem a little further? Which knob causes it to cut out? Is it scratchy? Just ruling out some bad joints on the PCB or some other issue.

    If it’s the fuzz or blend though, your best bet will be to wire in one of these http://smallbear-electronics.mybigcommerce.com/pot-alpha-100k-linear-and-audio-usa-big-muff/

    And assuming it has this style of knob, buy one of these to replace the original http://smallbear-electronics.mybigcommerce.com/knob-push-on-usa-big-muff-lge/

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