I have a V1 as well, and its a very good enlarger (or I think so anyway). I have thought about what I would do if the power supply packed up, and I think if I couldn't fix the original PSU, I'd look at replacing the original bulb for a 12V one of similar shape. The original is classed as a "dichroic projector bulb", and there are lots of other dichroic projector bulbs of similar size. The "dichroic" bit means the heat can escape through the reflector of the bulb. When these units were made, halogen lighting was not so popular, now its easy to get 12V power supplies designed for lighting (I agree, a laptop PSU is not the way to go - I doubt it will work well).
here's a typical 12V PSU for lighting
You probably won't find an 80W bulb to match the original, so perhaps go up a bit to 100W or down a bit to 50W. You might have to change the bulb holder, but you can easily get these.
Here's a 100W 12V bulb that would work with the power supply above
OK, these are UK, but you must have similar on your side of the pond.
Just to add, I usually print 8x10, and my print times are in the range 10-20 seconds with the standard 80W bulb. I think I would be tempted to go down to 50W to begin with. All that will happen is print times will be marginally extended. I suspect not by as much as the difference in rating suggests.
Last edited by mr rusty; 02-16-2013 at 12:32 PM. Click to view previous post history.