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

[ic-racer]

will a CLS 1840 color head fit on a L184 chassis by simply removing the condensors/lamp assembly? or do I need some exotic named adapter?

I believe the CLS heads mount with the same 4 bolts that hold the condenser head in place.

[Andrea Gazzoni]

also wondering if the CLS1840 mounted on a L184 chassis will take the Nega 205 carrier in the same fashion the condensor head does.
every picture of this head shows it with a Lagraneg carrier.
I'd expect the height of the slot formed by the head assembly and the carrier stage to be the same.

[ic-racer]

also wondering if the CLS1840 mounted on a L184 chassis will take the Nega 205 carrier in the same fashion the condensor head does.
every picture of this head shows it with a Lagraneg carrier.
I'd expect the height of the slot formed by the head assembly and the carrier stage to be the same.

The below is a quote from the technical literature.

[L184 chassis with CLS1840 head] Accepts NEGA184, AIRNEG, GRAHALON, LARANEG, PRONEG negative holders.

[Andrea Gazzoni]

cool, thank you IC

[Drew Wiley]

(General info): just remember that certain of these carrier, namely the two pin-registered versions, each required two distinct components. Sometimes just half of what is necessary shows up for sale.

[ic-racer]

Hi,

Is it possible to remove the baseboard arm from the 1840 chassis?

Bests,
C

Updating the answer to this question. I found the following quote in one of my Durst L1840 manuals:

Remove the entire baseboard and baseboard arm in minutes for floor projection or roll easel operation.

[Andrea Gazzoni]

again on fitting a CLS 1840 on a condensors 184: will I need just the EST 1000 unit to power up the head or is there something else? The 1840 manual shows both a power supply and the EST 1000 as a voltage stabilizer. thanks

[ic-racer]

When you get the CLS1840 you should get the EST1000 with it and some light box diffusers. The light box diffusers are in two parts, upper and lower. You will need a timer, as the timing unit is incorporated into the power supply for the L1840 chassis, rather than the CLS1840 head. From what I recall, just about any timer will work. The timer does not actually control the 1000W lamp, it triggers a relay in the unit which starts the exposure process (fan on, lamp pre-heat, shutter open, shutter close, etc.)

I got my L1840 and CLS2000 from two separate locations with a total of 4 years searching. This is a picture I took in the service elevator of the studio from which I got my CLS2000 head. There are actually two power supplies in that picture, but one is a spare. You only need the EST1000 to run the CLS1840 head.

[Andrea Gazzoni]

very helpful info, thank you so much

[Andrea Gazzoni]

Reading the manuals, it looks like the CLS1840 doesn't have a cooling system, while the CLS2000 has two separate fans.
Is this because of the different bulb (1000w vs 2000w) or just a matter of older design?
And most important, are these non-cooled heads as good as the cooled ones?