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Thread: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

  1. #661

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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    also found this picture, website no more available
    Attached Thumbnails Attached Thumbnails bushwick-community-darkroom-02.jpg  

  2. #662
    ic-racer's Avatar
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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    I believe the negative carrier will be dictated by the chassis on which the CLS head sits. L184 vs L1840 vs FOTAR or other.

  3. #663

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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    why then should Durst Pro specify that although the head can be mounted on all chassis, the old negative carriers do not work? I mean apart from selling more of the newer carriers
    Last edited by Andrea Gazzoni; 18-Jan-2020 at 07:18.

  4. #664

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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    will a 1000w or 2000w lamp require a special timer? I read each timer has maximum watt specs, not sure if a timer with "500w max" label on the enlarger plug will work with a higher wattage lamp.

    also, this is the rear of the EST 1000 unit, where do I connect the timer exactly? do I need special cables or this one will do the job?

    thanks
    Attached Thumbnails Attached Thumbnails plug.jpg   EST1000.jpg  
    Last edited by Andrea Gazzoni; 24-Jan-2020 at 07:27.

  5. #665

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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    [QUOTE also, this is the rear of the EST 1000 unit, where do I connect the timer exactly? do I need special cables or this one will do the job? thanks[/QUOTE]

    Where it says Timer Input. Looks like its meant for 120 or 220 since the label says 100-240v but has a 120 plug. Looks like the green power cord you have is a 220 cord with a 120 plug male end, so it makes sense. The timer should be fine with the 1000W bulb; should be relayed in the EST. My 120 EST/TRA 301 used a 120 power feed, a 120 timer and a 220 fan. There were jumpers inside the unit to set the input voltage. Likely the same in the EST 1000, so check it! L
    Last edited by Luis-F-S; 24-Jan-2020 at 10:44.

  6. #666
    ic-racer's Avatar
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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    The 'timer input' of the EST1000 triggers the exposure sequence which includes bulb-preheat, shutter opening. I believe the Triacs in the unit control the lamp. I believe very little current flows through the 'timer input.' And, as indicated, the voltage to tirgger the exposure sequence can be quite variable (120 to 220V).

  7. #667
    Drew Wiley
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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    Andrea - a custom shim or baseplate could be made to fit any previous head, but there are apparently match limitations as-is.

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