halogen lighting?

I once had (for a few seconds) one of those cheap 'torchiere' up-lights that use halogen bulbs. The first time I switched it on, not only was a large amount of noise introduced that began spitting out at me through the speakers, a nasty and very loud buzz started emanating from INSIDE my amplifier. The light was of course quickly packed up and still sits in a dark corner of my basement. This was one of the ultra-cheap $19.99 garden variety lamps and I would expect some better results from upscale halogen lights of better construction, but still...