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

  1. #131
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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...



  2. #132

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

    I have a lensboard that I have no need for that may fit this enlarger, interested? I also have a Rodagon 300 that is set for it but have none of the mounting screws...
    A number of other large Rodagons (240's qnd 300's, non-APO). The lensboard is labelled DURST VAPLA and has a filter holder column. Good luck on you project!!!

  3. #133
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    Finally a CLS Head

    After many months of searching I finally found a CLS head within driving distance. I started another thread on getting the head working.

    Here is the head mounted on the L1840 chassis correcting converging verticals.

  4. #134
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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    This was the first time I was using the enlarger to correct verticals. In the negative I was using I had only tipped my camera upward a small amount (210mm on 8x10), however, the correction needed was somewhat dramatic.

    In the above picture, I would have tipped the enlarger head even more, but the lens goes off center as it is tipped, and there is only a little bit of shift provided on the lensboard.

  5. #135
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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    My CLS2000 was rigged up in an unusual manner, so it did not come with the correct cords.

    I made up a set of short european style cords to correctly connect to the EST2000N.

  6. #136
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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    New bulbs:

    The little indicator bulbs for the color wheel dials were all burned out. The replacement is: 5O-3899 - 24 VOLTS 3 WATTS BA7S B7175 138293.2816.40

    I also ordered this, which looked like a replacement for the 2000W main lamp. It was about $50.
    1FTL - 2000W 240V GY16 2-PIN

  7. #137
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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    I would advise the use of a separate line for the enlarger, The oven will draw more power to heat as the door has been opened and closed and as it heats up. This will not be a problem if you print when no cooking is going on. As the thermostat switches you may see a change in the light in the head.
    Pat

  8. #138
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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    Quote Originally Posted by largeformat apt View Post
    I would advise the use of a separate line for the enlarger, The oven will draw more power to heat as the door has been opened and closed and as it heats up. This will not be a problem if you print when no cooking is going on. As the thermostat switches you may see a change in the light in the head.
    Pat
    Yes, indeed it was hooked to its own separate breaker.

    Even so, the EST2000N regulates the bulb voltage to within a fraction of a volt over a large range of input voltages. That is nice but not totally needed, so if the EST2000N should ever fail and be un-repairable, the 2000W bulb runs on 120V. It could easily be connected straight to the USA mains.

  9. #139

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

    Quote Originally Posted by ic-racer View Post
    Yes, indeed it was hooked to its own separate breaker.

    Even so, the EST2000N regulates the bulb voltage to within a fraction of a volt over a large range of input voltages. That is nice but not totally needed, so if the EST2000N should ever fail and be un-repairable, the 2000W bulb runs on 120V. It could easily be connected straight to the USA mains.
    If it runs on 120 V, 1FTL - 2000W 240V GY16 2-PIN does not does seem to be the correct replacement ( 240 V )

    The little indicator bulbs blow out frequently. I have considered replacing them with led's

    The picture is mine just hauled up the stairway

  10. #140
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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    Quote Originally Posted by gary mulder View Post
    If it runs on 120 V, 1FTL - 2000W 240V GY16 2-PIN does not does seem to be the correct replacement ( 240 V )

    The little indicator bulbs blow out frequently. I have considered replacing them with led's

    The picture is mine just hauled up the stairway
    I was mistaken, the EST1000 (for CLS1840) puts out 120V, whereas the EST2000 (for CLS2000) puts out 228V.

    The one reason that replacement might not work is that it might be too wide to fit through the hole in the CLS dichroic reflector. I guess I'll find out and report.

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