[pure-silver] Enlarger Lamp Life

Hello - I'm a new poster to this list but I've consulted it regularly.
I know that this topic has been dealt with before - but the enlarger lamp I need to use is is rather expensive (€21,£16.96,$26.17 and so forth) and they have a nasty habit of blowing. My enlarger is a Meopta with a colour head which uses a Philips Focusline fibre optic lamp type 6834 FO. I suspected a faulty transformer. using a multimeter I got a maximum, but steady 13.1 volts output from the transformer. The lamp is rated at 12volts 100w. Is it being overloaded at 13v? Could this be the reason for the frequent blowouts or is there some tolerance with the voltage? 

Hope somone can help with this -
Eugene Barrington






























































































































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