ETC Source Four jr Zoom 25-50gr

PHYSICAL

• Rugged die cast aluminum construction

• 20 gauge stainless steel shutters in a bi-plane assembly

• High impact, thermally insulated knobs and shutter handles

• Two accessory slots, and a top mounted, gel frame retainer

• Steel yoke with two mounting positions

• Positive locking, hand-operated yoke clutch

• Slot for glass or stainless steel patterns

• Slot with sliding cover for motorized pattern devices or

  optional iris

• UL and cUL Listed

  ELECTRICAL

• 115-240V, 50/60Hz

• High temperature 3-conductor 36” leads in a glass ber

  outer sleeve

• Supports ETC Dimmer DoublingTM technology

  LAMP

• 575W maximum

• HPL – compact tungsten lament contained in a krypton-

  lled quartz envelope (see table for suitable lamp types)

• Patented lament geometry provides extremely ef cient light

  collection and transmission

• Integral die cast aluminum heat sink lamp base

OPTICAL

• Optimized optical system for ef cient photometric performance

• Two bi-convex lenses

• Faceted borosilicate re ector with dichroic cold mirror coating

  removes greater than 90% infrared radiation (heat) and

  re ects greater than 95% of visible light

• Re ector secured with anti-vibration shock mounts

• Tool free, positive locking X, Y and Z lamp centering

  adjustments, unaffected by relamping

• Beam edge continually adjustable hard-to-soft