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Hey Leigh, I realize this is a very old thread now, but you sound like the guy to ask: Can the EST1500N run on U.S. 220? I understand the 50/60Hz issue, but I read somewhere that most Durst equipment...

To be concise — I'm powering my 1840 head with propitiatory power source (EST 1500 N, 220 volt). Using a step-up transformer: Philmore ST-3000. The transformer can't keep up with the head. It starts...

I have a first generation, Zone IV, variable contrast, enlarger head and controller. The first generation was unimaginably slow or dim. I managed to adjust my expectations, but exposure times,...

I see that this is an old post, but I'd love to see the build on the controller. It looks like a great job and design. Do you have any build material you would care to share? Much appreciated.

The table top distillers are expensive, approximately $200, and they produce the end product slowly. I think they usually take a couple hours to produce one gallon. When you factor in the convenience...

Hey guys — thanks for all the responses. To address a couple of the thoughts raised, I'm using dimpled Cescolite trays. For 8x10 I use 11x14 trays and for 11x14 film I use 18.5x14. I'm also employing...

I've been using PMK for decades now, and I love the results I get with HP5 and Tri-X. I don't have any problems with roll film processed in PVC tubes with a Unicolor, Uniroller; however, with sheet...

Problems solved. Turns out, the large cable that connects the light head and the power supply had been damaged at some point, somehow. I was running out of ideas, so I finally checked the continuity...

Update. Okay, I'm making progress. The timer was bad and always stayed in Focus. So different timer and things are almost okay. The problem now is, once the time for the exposure is complete and the...

johngb: Okay, I'm now able to get back to the 1840 difficulties. In re-reading your response, I'm confused. Unless I'm overlooking something, my 1840 does not have a shutter mechanism. Additionally,...

I still use a Toyo G 5 x 7 I bought in 1988, from a guy who purchased it new in Japan, but never used it (I got it out of Shutterbug. Remember those days, before eBay?). It was my 'Go-To' camera when...

No, just the one power supply. The only other equipment in the line is the step-up transformer, which was used for years with this enlarger. It's just that something has changed during the transport...

Thanks so much for the responses. The unit is manufactured in the US. I haven't been able to find a schematic either. Also, I understand that 220 is the same as 110 in theory, I just don't understand...

Okay, long story with, perhaps, a simple solution. Durst 8x10 with CLS1840 head and EST 1500 N, 220 volt, power source. Using a Philmore ST-3000 step-up, step-down transformer to power the EST 1500....

I'm getting hot, over-developed edges on my tray-processed sheet film. It's consistent and significant, making the negatives difficult to print evenly. I use PMK pyro on Ilford HP 5, with constant...

Hello,

Okay, I need some help I've been unable to secure anywhere else. I inherited a disassembled Schneider Durst Componon 300 I want to use on my Durst 5x7 enlarger. Unfortunately, I've been...

One of the bulbs that illuminate the timer dials has gone dead on my unit. Does anyone know what the replacement bulb would be, or how to determine it's replacement code? I presume it's a standard...

Hey friends,

I'm in need of help! I recently inherited an 11x14 camera. It's a "one off" built by Canham many years ago. The friend who gave it to me, whom Keith built it to spec for, used it for...

Hey Guys,

Thanks so much for getting back to me so quickly! Great information. Now I can go back to work with confidence. It looks like the curve for HP 5 is different than the one I've been using...

Does anyone have a reciprocity chart for HP 5? Is it close to Tri-X? Thanks.

I have a Gra Lab 450 timer that was apparently blown out by my cold light. It se ems to have screwed up the reset mechanism. Sometimes when I hit the switch it c omes on for a second and then resets...