Home › Forums › Vintage EHX › Dating vintage Dr. Q

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  • May 20, 2009 at 6:15 pm #78269
    229someday
    Participant

    Hi All,
    First post here and I’m looking to find the date of an old Dr. Q pedal I have. I’ve tried taking it apart to see if there was a date or code on the underside of the only pot, but all I can find is “100KB”. The guy I bought it from locally years ago said it was from the ’70’s, but I never asked him how he knew. Now that I have it open, is there any way I can tell from codes on the circuit board or other places? Thanks for the help.

    May 20, 2009 at 6:27 pm #96886
    The EH Man
    Moderator

    On the back of the pot is a 7 digit number starting w/ 137. The next 2 numbers are the year, the last 2 are the week.

    Post a pic of the inside of the pedal if you can.

    May 20, 2009 at 6:52 pm #96887
    229someday
    Participant

    IMG_8865.jpg
    IMG_8863.jpg
    IMG_8867.jpg
    IMG_8864.jpg
    IMG_8866.jpg
    Here are a few pics, hopefully this will help? Thanks for the reply.

    May 20, 2009 at 7:15 pm #96888
    nightraven
    Member

    yeah that doesn’t look vintage. it’s got the fancy LED that you see on the modern non-XO ones.

    May 20, 2009 at 7:29 pm #96890
    The EH Man
    Moderator

    Definitely a reissue. the LED and the circuit board design are giveaways.

    May 20, 2009 at 9:11 pm #96892
    229someday
    Participant

    Thanks for the info. I’m only out $15 for it and it does sound cool, so I guess it’s fine if it’s not of the vintage he said it was. I appreciate it guys.

    May 21, 2009 at 10:40 pm #96917
    DeathFlange
    Participant

    yea, you can always tell by it having an led and the older ones have CTS pots that are (as mentioned) dateable by the 4th and 5th number. 137 stands for CTS (Chicago Telephone Supply)

    Mercyfulfate…………

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