Lamps for Speaker Protection
Incandescent lamps have been used for over fifty years as loudspeaker protection devices, but a large amount of misinformation about them exists. The author measures static and dynamic parameters of over thirty types of auto lamps, as well as tests some types for consistency between manufacturers and production. The results contradict a lot of the common wisdom about using lamps for protection and show serious linearity problems even at low operating levels.
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