Stage Lighting I
on Main Stage
C-Clamps used with Black Pipe (Electrics) and Unistrut (Catwalks)
Hanging Technique in Dudley Theatre
Unistrut Metal Framing Grid
1 1/2" bolts with spring nuts replace the C-clamp
on the light fixture.
|A 90° clockwise turn aligns the grooves in
the nut with the inturned edges of the channel.
Tighten bolt into the spring nut using a Crescent wrench.
Law of Reflection
Parabolic Aluminum Reflector
Wattage: 300 - 1,000 (1K)
Measured by 1/8" increments.
PAR 64s are 8 inches in diameter. (64 x 1/8 = 8)
PAR 16, PAR 36, PAR48, PAR 56, and PAR 64
Examples: Altman Lighting, Inc.
Color Frame Sizes
PAR 64 = 10"
PAR 56 = 7 1/2"
Multiplication Factor (MF)
Units with PAR lamps can be equipped with Wide, Medium, Narrow or Very Narrow lamps.
Bright shafts of light with little need for shaping or shuttering.
Rugged and inexpensive.