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ETCElectronic Theatre Controls
ETC Source FourETC Source Four

There's only one Source Four™

The fixture that changed the lighting industry. A complete rethinking of ellipsoidal technology, Source Four is the only fixture combining the energy-saving power of the HPL lamp with the patented dichroic reflector for the coolest beam on the market. That means your gels, patterns and shutters last longer, and your performance space stays cooler.

No other light offers such optical brilliance. Source Four's revolutionary technology gives you a clean white beam for unequaled imaging, crisp pattern projection, and a bright, even field.

Rated for up to 750 watts, the Source Four is perfect for punching through saturated colors and performing the longest throws. Ultra-efficient for more lumens per watt: at 575 watts the Source Four literally outshines 1000W ellipsoidals. And at 750 watts, well, no point comparing - there are no other fixtures in its class.

  • 5°, 10°, 14°, 19°, 26°, 36°, 50°, 70°, and 90° field angles
  • Rated up to 750W
  • Super-efficient HPL lamp
  • Faceted dichroic reflector removes 90% of IR heat from beam
  • Interchangeable lens tubes
  • Rotating barrel ± 25%
  • Three-plane stainless-steel shutter blade assembly
  • Tool-free lamp adjustment
  • Insulated rear handle
  • Rugged die-cast aluminum construction
  • Supports Dimmer Doubling™

ETC Source Four HIDETC Source Four HID

Your architectural space deserves to be in the spotlight. Literally!

Don't limit quality effects lighting to the stage-take it into the lobby, the house or anywhere else you want your interiors to shine. Maybe you want to call attention to architectural details, project patterns or signage, or display a logo. Maybe your architectural space needs the lighting punch and long throws of a theatrical spotlight. The solution: Source Four HID.

Source Four HID's long-life 12,000-hour lamp means low maintenance, and that's perfect for locations that can't be reached often or easily. Source Four HID gives you the level of performance of a 2,000-hour 575W Source Four spotlight but with 7,000 additional hours. This 150W metal halide fixture gives you all of the Source Four's famous cool beam, excellent imaging, crisp pattern projection, and bright, even field.

Source Four HID uses a 150W electronic ballast with a power factor of greater than 95% compared to some competitive units' ballasts at less than 70%. And HID's ballast has an overall efficiency of greater than 90%. With its 1.5 amps operating current and harmonic distortion of less than 10%, you can safely place more Source Four HID's on a 20-amp circuit than you can other manufacturers' units that operate at 2.3 amps.

Source Four HID is a non-dimmable fixture. Source Four HID can also use your Source Four accessories.

  • 5°, 10°, 14°, 19°, 26°, 36°, 50°, 70°, and 90° field angles
  • 15°-30° and 25°-50° Zooms
  • Yoke mounted 150W electronic ballast
  • Ships with 150W ceramic metal-halide lamp
  • 12,000 hour lamp life
  • 3000° K lamp, 4000° K lamp available
  • Multi-faceted glass reflector
  • Interchangeable lens tubes
  • Rotating barrel ± 25%
  • Three-plane stainless-steel shutter blade assembly
  • Rugged die-cast aluminum construction

ETC Source Four ZoomETC Source Four Zoom

With Source Four Zoom you only need one fixture for a variety of field angles. Plus, Source Four Zoom makes it easy: ETC's patented one-handed zoom operation makes adjustments quick, simple and safe. Technicians can focus with one hand and hold the ladder with the other. And the lens-tube door provides quick and easy access when you want to clean the lens assembly (tool-free!). But the best part is that Source Four Zoom has all the advantages of the revolutionary fixed-focus Source Four: bright, even field, cool beam, and amazing efficiency. The patented dichroic mirror means shutters and accessories stay cool, and drop-in accessories are interchangeable with fixed-focus Source Fours. Rated up to 750W, Source Four Zoom gives you Source Four's crisp optics for excellent imaging and field quality.


  • Rated up to 750W
  • 15º-30º and 25º-50º Zoom ranges
  • Super-efficient HPL lamp
  • Faceted dichroic reflector removes 90% of IR heat from beam
  • One-handed zoom operation
  • Positive zoom lock
  • Field angle and focus scale markings
  • Rotating barrel ± 25º
  • Three-plane stainless-steel shutter blade assembly
  • Tool-free lamp adjustment
  • Easy access lens cleaning
  • Insulated rear handle
  • Rugged die-cast and extruded aluminum construction
  • Supports ETC Dimmer Doubling™

ETC Source Four Jr.ETC Source Four Jr

The power of Source Four in a compact and economical size!

The Source Four jr uses the same technology that made the Source Four famous. That means unsurpassed imaging and beam quality.

Compared to conventional 1000W ellipsoidal spotlights, Source Four jr’s 575 watts deliver brighter light.

  • 26°, 36°, and 50° fixed-field angles
  • Rated up to 575W
  • Super–efficient HPL lamp
  • Interchangeable lens assemblies
  • Faceted dichroic reflector removes 90% of IR heat from beam
  • Two-plane stainless-steel shutter blade assembly
  • Tool-free lamp adjustment
  • Rugged die-cast aluminum construction
  • Supports Dimmer Doubling™


Power, elegance and efficiency - in a PAR!

This is no ordinary par can. Source Four PAR goes beyond a run-of-the-mill par with its rugged die-cast aluminum construction and acclaimed Source Four lighting technology.

Superior brightness and energy savings: Source Four PAR delivers a smooth even field, and at 575 watts is comparable to a 1000W PAR64-while saving 40% on energy.

Changing beam angles is easy: Source Four PAR comes with a set of four snap-in lenses that mount in a cool, rotating ring. That also means no more reaching into a hot can with cracked porcelain sockets. And when you need a new lamp, just use your stock of Source Four HPLs (no need to carry a large inventory of expensive PAR64 lamps).

Source Four PAR's compact design means more units can be mounted on a pipe or fit into a truck. Combined with reductions in power and cable requirements, Source Four PAR is perfect for touring.

Rated up to 750W EA (Enhanced Aluminum) reflector Super-efficient HPL lamp Interchangeable lenses (VNSP, NSP, MFL, WFL) Die-cast faceted reflector Die-cast aluminum construction Supports Dimmer Doubling™


New technology for a new wash light.

For years ETC fans had been clamoring for a 'Source Four fresnel.' Well, fresnels are okay. But with our new Source Four PARNel, awarded the 1999 ESTA's Dealer's Choice Award for Equipment, we've gone beyond mere imitation and created a new fixture with fresnel functionality and the awesome performance of a Source Four PAR.

With the PARNel, ETC introduces a new category of fixture to the lighting world. With its patent-pending wave lens design and easy focusing knob, the PARNel lets you quickly access a range of 25 to 45 degrees-a smooth, soft, symmetrical field that you can spot or flood like a fresnel.

Enhanced Aluminum Reflector Rated up to 750W Super-efficient HPL lamp 25º- 45º variable field focus Easy spot to flood adjustment knob Die-cast faceted reflector Die-cast aluminum construction Supports Dimmer Doubling™

ETC Source Four MultiPAR

ETC's Source Four MultiPAR family of fixtures revolutionizes that theatrical workhorse the striplight. Lamped with the HPL and using the space-saving Source Four PAR design, this is definitely not your grandfather's striplight.

The patented HPL lamp offers amazing energy efficiency, giving you more illumination than a 1000-watt par lamp with more than 40% less energy use. The simple elegance of the ETC Source Four PAR design is maintained throughout the MultiPAR fixtures, allowing easy lamp replacement and a beautiful factory focus from the first moment you use them.

ETC MultiPAR is flexible as well. The base striplight comes in three configurations: 3, 4 and 12 lamp strips. The yoke-mounted 3x3 version is available. Customized lengths for projects are also available.

Realize traditional ETC energy savings using the 575 watt HPL - or lamp your MultiPAR at 750 watts for a truly powerful performance! You already show your performers in the best light possible; now give your sets, stages and backdrops the same high quality illumination.

Features:ETC MultiPAR

  • New technology for a classic fixture
  • 1000 watt performance from 575 watts
  • Flexible lengths, fully customizable
  • Even, beautiful light quality
  • Bright - rated up to 750 watts
  • Four standard beam spreads
  • Simple 3 to 4 circuit change
  • Time tested ETC PAR optics
  • One lamp - as always!

ETC Enhanced Definition Lens Tube (EDLT)ETC High Definition Lens Tube

When your lighting situation requires even more precise optics for projecting images, gobos, and logos, the Source Four EDLT (Enhanced Definition Lens Tube) option is an invaluable addition to your Source Four inventory. The EDLT attaches easily to any new or existing fixed-focus Source Four ellipsoidal spotlight. While increasing light output up to 10%, EDLT also provides heightened sharpness and stunning contrast to images when the Source Four is used as a pattern projector. With the innovative EDLT option on your Source Four, the best spotlight available gets even better.


  • 19º, 26º, 36º and 50º field anglesETC High Definition Comparison
  • Heightened sharpness and contrast
  • Increased output
  • Advanced, dual aspheric lenses with anti-reflective coatings
  • Fits all new and existing Source Four fixture bodies



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