Other than Aristo, can anyone reccomend a cold light source for my durst 138S?
I am currently using an Ilford Multigrade 500 head and ideally would like to modify this into a cold light source. The head and complete ilford system is quite handy and if possible, I'd like to keep the basic set up, with the cold light being the only modification.

Any ideas?

Another question. Are all color heads cold light sources?