>>default wrote:

>>>On 15 Oct 2006 07:43:59 -0700, meow2...@care2.com wrote:

>>>>A 24v bulb is likely to be a 28-29v bulb in reality, running this on
>>>>21v will give a very poor result. OP needs to tell us if the 24v
>>>>reading is under load or not. If its with no load, OP needs a 21v bulb,
>>>>anything else will just be crap. Depending on the type of psu, it may
>>>>be possible to change the output voltage to suit other bulbs
>>>>voltage-wise. Whether they will have the right optical situatoin is
>>>>another matter.

>>>>NT

>>>Then one is "second guessing" the lamp specifications, the
>>>manufacturer specifications, and the ops application.

>>Not really. The vast majority of 24v bulbs are for road use, where
>>nominally 24v systems are IRL approx 28-29v. The lamps are designed to
>>run on those systems.