ETC Source Four 70Degree Datasheet
®
Source Four® 70˚ETC
Ellipsoidal Series
S P E C I F I C A T I O N S
PHYSICAL
• Rugged die cast aluminum construction
• Rotating shutter assembly ±25˚
• 20 gauge stainless steel shutters in a tri-plane assembly
• Interchangeable lens tubes with smooth-running Teflon
guides provide nine user-fit field angle options
• Thermally insulated rear handle
• 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 single-clutch fixture body
• Slot for glass or stainless steel patterns
• Wide accessory slot with sliding cover for motorized pattern
devices or optional iris
• Uses 7.5” color frame
• 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
LAMP
• 750W Maximum
• HPL – compact tungsten filament contained in a krypton-filled
quartz envelope (see table for suitable lamp types)
• Patented filament geometry makes for extremely efficient
light collection and transmission
• Integral die cast aluminum heat sink lamp base
™
technology
S P E C I F I C A T I O N S
OPTICAL
• Re-optimized optical system for improved photometric
performance and field uniformity
®
• Projector-quality, high contrast dual aspheric lenses
• Superior optical glass with advanced AR coatings
• Provides crisp edge definition and high gobo contrast
• 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
• Interchangeable lens barrels permit selection of 5˚, 10˚, 14˚,
19˚, 26˚, 36˚, 50˚, 70˚, and 90˚ field angles as well as 19˚, 26˚,
36˚, and 50˚ EDLT lenses
O R D E R I N G I N F O R M A T I O N
Source Four
MODEL DESCRIPTION
470 70˚ Source Four (black)
470-1 70˚ Source Four (white)
ETC Source Four is supplied with C-clamp, color frame and 96cm (3’) leads as
standard.
Connector Designation
Use suffixes below to specify factory–fitted connector type
MODEL DESCRIPTION
-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)
See back page for Source Four Accessories
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ETC
X
®
Source Four® 70˚
Ellipsoidal Series
P H O T O M E T R I C S
Photometric data below is measured with an HPL 750W/115V 300 hr lamp. To convert data when using any other HPL lamp, use the lumen or
candela multiplying factors (Lm MF or Cd MF) for that specific lamp, listed in the Lamps table in this datasheet. For lumen data, multiply by the
Lm MF. For candela or footcandle data, multiply by the Cd MF.
60˚ 70˚
Field Angle
Beam Angle
Throw Distance (d)
Field Diameter
Illuminance (fc)
Illuminance (lux)
For illumination with any lamp, multiply the candlepower of a beam spread by the
multiplying factor (mf) shown for that lamp.
To determine illumination in footcandles or lux at any throw distance, divide
candlepower by distance squared.
For Field diameter at any distance, multiply distance by 1.40
For Beam diameter at any distance, multiply distance by 1.14
5’
1.5m
7’
2.1m
891 223 99 56
9,589 2,397 1,065 599
10’
3.0m
14’
4.3m
15’
4.6m
21’
6.4m
20’
6.1m
28’
8.5m
Iso-Illuminance Diagram
(Flat Surface Distribution)
Y
10%
50%
% illuminance foot
candle or lux
X
Source Four 70˚(cosine)
Degree Candela
70˚
Metric Conversions: For Meters multiply feet by .3048
22,270 16,130 9,595 73.7% 21.5
Field
Lumens
For Lux multiply footcandles by 10.76
Beam
Lumens
Cosine Candela Plot
25000
20000
15000
10000
Candela
Efficiency
Lumens
per watt
Y
5000
0
-40 -30 -20 -10 0 10 20 30 40
Complete IES photometry data files (LM-63-02 format) may be downloaded from the ETC website.
Go to http://www.etcconnect.com/downloads.asp
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