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Thread: JBL DX-1 Input/Output Cards

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    Senior Member pasadena's Avatar
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    JBL DX-1 Input/Output Cards

    Does anyone or can anyone provide photos of the Input/Ouput cards that plug inside JBL's External DX-1 Crossover?

    I'm chasing Input/Output cards made for JBL's XPL-200 speakers.

    These Input/Ouput cards are like personality cards made for a particular speaker for use in the crossover kits.

    I'm also chasing the schematics to build these input/output cards and if anyone has any blanks or any to sell, I would like to hear from you.

    Any help would be much appreciated!!

    Cheers
    Pasadena

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    Senior Member pasadena's Avatar
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    Re: JBL DX-1 Input/Output Cards

    I have attached a schematic for the DX-1, which includes the LF and HF input/output cards, which I just received.

    The question is, for which type of speaker is this setup for or is this schematic a general circuitry layout of the DX-1 board altogether?

    I know JBL introduced Input/output cards for a numbers of speakers including the XPL-200's, which I'm interested in and including the K2 series of speakers plus others as well.

    Does anyone of someone who has DX-1's and are able to offer pictures of what these input/output cards look like?

    I will be in possession of a digital camera very shortly so I'll post pictures of the DX-1's I have, inlcuding the PCB board.
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    Senior Member pasadena's Avatar
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    Re: JBL DX-1 Input/Output Cards

    Here are some JBL DX-1 Specs!!!!
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    Senior Member pasadena's Avatar
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    Re: JBL DX-1 Input/Output Cards

    Orignal brochure of the JBL DX-1 active crossover
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    Senior Member pasadena's Avatar
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    Re: JBL DX-1 Input/Output Cards

    When the DX-1 was a saleable item, it used to come with a set of input/output cards installed.

    I'm sure that the DX-1 was originally made for the XPL-200 speakers and later on JBL released cards to suit other speakers.

    I was offered a set of DX-1's with K2 personality cards but since I already have a pair of DX-1's I didn't justify buying another 2 DX-1's and shipping them half way around the world.

    Giskard - I'd be interested to see what you come back with!

    Cheers
    Pasadena

  6. #6
    Senior Member pasadena's Avatar
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    Re: JBL DX-1 Input/Output Cards

    The schematic I uploaded does provide the schematic for the input/output cards.

    Now it's a matter of finding out what speaker in the schematic the cards were made for........my guess is that since the DX-1 was made for the XPL-200's, I'd imagine they are in fact for the 200's.

    The crossover frequencies for the XPL-200's are 300hz, 1.1khz and 4.5khz, if this of any help.

    Cheers
    PAsadena

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