Overview
ETC 42550J Source Four jr 25°-50° Zoom, Black
Specifications
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 fiber outer sleeve
- Supports ETC Dimmer Doubling™ technology
LAMP
- 575W maximum
- HPL – compact tungsten filament contained in a krypton- filled quartz envelope (see table for suitable lamp types)
- Patented filament geometry provides extremely efficient light collection and transmission
- Integral die cast aluminum heat sink lamp base ETC® Source Four® jr Zoom Ellipsoidal Series
OPTICAL
- Optimized optical system for efficient photometric performance
- Two bi-convex lenses
- Faceted borosilicate reflector with dichroic cold mirror coating removes greater than 90% infrared radiation (heat) and reflects greater than 95% of visible light
- Reflector 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
