Due to their simplicity and low cost, these are the most popular fixtures for illuminating a performance area such as musicians on stage, dance, festivals, shows. The lamp contains the reflector, filament, and lens. Hence, the lamp you choose detrmines the brightness and beam spread.
All lamps produce a soft edged oval shaped pool of light. .
PAR 46 lamps are 5.75 inches diameter, with parallel blade bases. Uses 200 watt lamps. PAR 56 lamps are 7 inches in diameter, with parallel blade bases. Uses 300 or 500 watt lamps. PAR 64 lamps are 8 inches in diameter, with parallel blade bases.