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

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Originally Posted by gary mulder

The picture is mine just hauled up the stairway

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Is the L1840 new? Did you have a 184 before?

Also, thanks for the Laraneg pictures. It does turn out that much simpler little baffle plate the Negateil uses will also fit on the Laraneg. At least it could be a temporary solution. Currently I have the Negateil installed, mostly because it is so bulky, the easiest place to store it is on the enlarger :).

This is a trial of horizontal projection. I don't have a nearby wall, so I may look into a moveable vertical easel on wheels, like shown in the Ansel Adams book.

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Originally Posted by ic-racer

Is the L1840 new? Did you have a 184 before?

Also, thanks for the Laraneg pictures. It does turn out that much simpler little baffle plate the Negateil uses will also fit on the Laraneg. At least it could be a temporary solution. Currently I have the Negateil installed, mostly because it is so bulky, the easiest place to store it is on the enlarger :).

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I had 2 184's but one was pinched by the conservator of a large photo collection. The insurance no longer allowed that glass plates left the house to be printed. So they wanted the possibility to print 8 X 10. Now I have a 184 and this 1840.

It amazed me that nobody asked about the glassless negative carrier on the Laraneg pictures :D

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Originally Posted by gary mulder

I had 2 184's but one was pinched by the conservator of a large photo collection. The insurance no longer allowed that glass plates left the house to be printed. So they wanted the possibility to print 8 X 10. Now I have a 184 and this 1840.

It amazed me that nobody asked about the glassless negative carrier on the Laraneg pictures :D

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At first glance I figured it was some pin registration system. So, it is a glassless, tell me more...

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Originally Posted by ic-racer

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

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I hope you're right about this, but up to now the only bulb I've found to fit the CLS2000 is the Thorn HX27 which, the last time I bought one, cost about $200. So when you get that possible replacement bulb (1FTL - 2000W 240V GY16 2-PIN) installed, please post a review.

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Originally Posted by resummerfield

I hope you're right about this, but up to now the only bulb I've found to fit the CLS2000 is the Thorn HX27 which, the last time I bought one, cost about $200. So when you get that possible replacement bulb (1FTL - 2000W 240V GY16 2-PIN) installed, please post a review.

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This is the possible substitution list I came up with. Most are from Interlight, except the last one. I thought I'd try the cheapest one and work up to see which are suitable:

One thing that is a little concerning is that the CLS2000 head has been around for many, many years. If there were a suitable substitution to the Thorn HX27, I'd think someone would have figured it out long ago.

**UNKNOWN SUITABILITY**Item No:FTL
Description:2000W 240V GY16 2-PIN PREFOCUS
(May not be suitable to burn upside down??) See picture below.
$44.50


**UNKNOWN SUITABILITY**Item No: HX172
DISC, #FTL MAY WORK BUT GLASS IS WIDER
WATTS: 2000 VOLTS: 230
BASE: GY16 2-PIN
Price: "Call"

**UNKNOWN SUITABILITY**Item No: FTM
2000W 220V JS220V-2000WCGY GY16 2 PIN PREFOCUS
WATTS: 2000 VOLTS: 220
BASE: GY16 2-PIN
$79.10

**KNOWN CORRECT ITEM**Item No: HX27
2000w 220/230v GY16
WATTS: 2000 VOLTS: 220
BASE: GY16 2-PIN
$191.25

**KNOWN CORRECT ITEM**DURST COLAMP 2000 NKO1221
$358.60


The following picture is the FTL:

I'm going to post this thing so I know where to find it should I ever need it. It is a 2000W theatre lamp that runs from the standard unregulated USA line voltage and it fits the CLS2000 lamphouse socket. The emergency/disaster EST2000 failure setup would involve removing the shutterblade, a toggle switches and a timer.
Toggle the fans on, hit the timer, then turn the fans off when needed.

No: CP79
Description: 120V 2000W GY16

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Originally Posted by ic-racer

At first glance I figured it was some pin registration system. So, it is a glassless, tell me more...

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The glassless negative carrier has 4 sliding clamps. Which holed on to the negative. Once the negative is positioned all 4 clamps are pulled back and tensioned by springs.
I have no idea how much of these have been made.

I picked up a broken power supply and control unit (PSU1000 and ECU1000) for the Durst L1840 chassis.

My intention was to try to repair them and have them as spares.



The ECU1000 was basically in parts. The front panel was off and wires were hanging from it.

This is what the PSU1000 looked like when I got it.

The wires to the two sockets were spliced into other wires that exited the box through various holes.

That orange wire was hotwired right to the hot side of the on-off switch.

Many of the fuses were the wrong rating. Some of the fusesholders looked like quite a lot of fiddling had taken place with them.