This Blows (up sometimes)
What are my big beefs with ORC lamps? Well the short and sweet is they just donít work out. I never seen one make it past its warranty by any sizeable amount, and still reliably ignite or not flicker
For one reason they are extremely difficult to get them to ignite on the first zap in many lamp house/rectifier combinations. The worst offender is the combo of a Super Lumex and a Switching power supply. I have often put that down to the fact that they require a much larger amount of inrush current to establish the arc and the switchers canít deliver that amount of energy/time relationship. Even worse problems can be found with an older Xebex with an old Sanrex rectifier. These were designed for Ushio HTP lamps that ignite quite happily in the 60-75volt no load range. It is like beating a dead horse to get an ORC to light in one of these in time to make the changeover.
For some other unknown reason theses lamps almost always develop a flicker or wandering arc at around 300 hours that no matter where the magnet is you canít get rid of it.
Another beef with these lamps is the tendancy for the ribbon seals to fail. Why ORC has stayed with the ribbon design is beyond me. As if that wasn't enough,their little plastic "protective" wrapper is an absolute joke
Bottom line: unless the bare cost of the lamp is going to break the bank, buy an Osram or an Ushio/Christie and get a good long reliable light source.
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