
ELECTRONIC THEATRE CONTROLS
Ellipsoidal lighting xture
PHYSICAL Die cast and extruded aluminium construction
One-handed focus mechanism with positive lock
Rotating shutter assembly ±25°
20 gauge stainless steel shutters in a tri-plane assembly
Lens tube door provides easy access for lens cleaning
Positive locking double-clutch yoke
Scale markings for eld angle and focus settings
Integral die cast color frame holders with two accessory
slots, and a top mounted, color frame retainer
High impact, thermally insulated knobs and shutter
Steel yoke with two mounting positions
Slot for glass or stainless steel patterns
Slot with sliding cover for motorized pattern devices or
ELECTRICAL115-240V, 50/60Hz
High temperature 3–conductor 36” leads in a glass ber
Supports ETC Dimmer Doubling™ technology
HPL - compact tungsten lament contained in a
krypton/xenon lled quartz envelope (see table for
Integral die cast aluminium heat sink lamp base
OPTICAL The 25°–50° uses a plano–convex front lens with a
Faceted borosilicate reector with multi-layer
95% of visible light reected through the optical train
90% of infrared radiation (heat) passes through the
Reector secured with anti-vibration shock mounts
Low gate and beam temperature, shutters will not
Tool free lamp centering (X/Y) and peak/at (Z)
Positive locking X, Y and Z adjustments, unaected
Lenses have anti-reective coatings
Lenses secured with anti-vibration shock mounts
15°-30° version is available
Source Four Zoom 25°-50°™
S P E C I F I C A T I O N S
Note: Available in black only
Source Four Zoom Accessories
407CF Color Frame (included)
400PH–A Pattern holder (A size)
400PH–B Pattern holder (B size)
400PH–G Glass pattern holder
400BY Balanced yoke assembly kit
400PTH3 Top Hat (3” tube)
400PTH6 Top Hat (6” tube)
400PGE3 Gel Extender (3” tube)
400PGE6 Gel Extender (6” tube)
42550 25°–50° Source Four Zoom ellipsoidal (black)
ETC Source Four Zooms are supplied with color frame,
C–clamp and 36” (90cm) leads as standard
Use Suffixes below to specify Factory–Fitted Connector type
A Parallel-blade U-ground connector
B Two-pin and ground, 20 amp connector
C Grounded, 20 amp, twistlock connector
M Dimmer Doubling™ connector (NEMA L515P)
O R D E R I N G I N F O R M A T I O N