Johnson Lighting System

Technical Specifications

Dimming Equipment

  • ETC Expression 3 console is located in light booth at back of house
  • ETC Reflection backup console (also use as worklight control) located stage left
  • ETC Remote focus unit
  • ETC Sensor racks located below stage level
  • 192 dimmers @ 2.4kw

Johnson Theatre Lighting Circuit Schedule

CIRCUIT NUMBERS DESCRIPTION LOCATION NOTES
1 - 30 Front of House Light Bridge  
31 - 34 Box Boom No. 1 Stage Left  
35 - 38 Box Boom No. 2 Stage Left  
39 - 42 Box Boom No. 1 Stage Right  
43 - 46 Box Boom No. 2 Stage Right  
47 - 76 1st Electric Lineset No. 4 Permanently wired
77 - 82 Grid Drop Box Downstage Left Downstage worklights
83 - 88 Grid Drop Box Lineset No. 6  
89 - 94 Grid Drop Box Centerstage Left  
95 - 100 Grid Drop Box Centerstage Left  
101 - 106 Grid Drop Box Lineset No. 13 Centerstage worklights
107 - 112 Grid Drop Box Upstage Left  
113 - 118 Grid Drop Box Lineset No. 27 Upstage worklights
119 - 124 Grid Drop Box Lineset No. 35 Cyclorama lights
125 - 130 Grid Drop Box Lineset No. 35 Cyclorama lights
131 - 136 Grid Drop Box Upstage Right  
137 - 142 Grid Drop Box Centerstage Right  
143 - 148 Grid Drop Box Centerstage Right  
149 - 154 Grid Drop Box Downstage Right  
155 - 158 Wall Box Stage Right  
159 - 162 Wall Box Stage Left  
163 - 166 Floor Pocket Downstage Left 6'-3" from plaster line
167 - 170 Floor Pocket Centerstage Left 12'-11" from plaster line
171 Floor Pocket Centerstage Left 24'-2" from plaster line
172 - 175 Floor Pocket Upstage Left Center 34'-0" from plaster line
176 - 179 Floor Pocket Upstage Right Center 34'-0" from plaster line
180 Floor Pocket Centerstage Right 24'-2" from plaster line
181 - 184 Floor Pocket Centerstage Right 14'-11" from plaster line
185 - 188 Floor Pocket Downstage Right 6'-3" from plaster line
189 - 192 Wall Pockets Apron SL & SR  

There is a DMX 512 remote plug-in station off stage left. The remote focus unit can be patched either SL or SR at the proscenium. There is also a connection house right.

Company Switch

  • Capacity is 400 amps, 3 phase, 5 wire
  • Cam-loc main tie jumpers: 1 ea. green, white, black, red and blue
  • The company switch is located off stage left
  • Connections to portable equipment must be made by qualified personnel

House Lights

  • Strand Accent system with presets and manual sliders
  • House lights are controlled from the light booth or stage left
  • House lights are not tied to the lighting console
Facility Category: 
Theatre and Dance