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How Many Lumens Is A Source Four?

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Source Four fixtures are more efficient.

Product Lamp Watts Field Lumens
ETC 15-30 Zoom at 23° HPL 575 10,805
Selecon 12-28 Zoom at 23° Blue Pinch 1000 7404

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Furthermore, How long is a source 4?

ETC Source Four Specs

Rating 375, 575, 750 Watts
Cable 3′, fiberglass sheath, Edison Plug
Focusing 50° Tube, Stainless steel shutters
Weight 16.3 lb (7.4 kg) with C-Clamp
Dimensions 20.1 – 22.8 x 21.3 x 12.4″ (52 – 58 x 54 x 31 cm) with C-Clamp

What type of lamp is used in an ETC Source 4? There’s only one Source Four – the ellipsoidal fixture that changed the lighting industry. Source Four combines the energy-saving power of the patented HPL lamp, with a dichroic reflector and optical-quality lenses, for the coolest beam on the market.


Table of Contents

What is a Leko light?

A Lekolite (often abbreviated to Leko) is a brand of ellipsoidal reflector spotlight (ERS) used in stage lighting which refers to the half-ellipsoidal dome reflector within which the instrument’s lamp is housed.

What is Source 4 Lynchburg?

Source4 is a national company, headquartered in Cornelius, North Carolina, and has been in business for over 40 years. … Our goal is to be your business partner and provide you with quality products, services, management tools and resources that offer a complete solution.

Why is it called a source four?

Source Four is named for the HPL, its light source, having four filaments. It is also available in 375 W and 750 W versions, at a variety of rated supply voltages.

How many amps does a source 4 use?

ETC Source Four Overview

The 26° Source Four 750 Watt Black Ellipsoidal Spotlight with 20 Amp Twist-Lock combines the energy-saving power of the patented HPL lamp, with a dichroic reflector and optical-quality lenses.

What is HPL lamp?

Product Description

HPL 750W Osram Profile Lamps is a clear, tungsten halogen bulb designed for theater, photo, and video applications. It features a G9. 5, medium bi-pin base and outputs up to 19,750 lumens. It has a rated lifespan of 300 hour.

What kind of beam does a Fresnel give?

As a result, they are very flexible, and can often produce a beam as narrow as 7° or as wide as 70°. The Fresnel lens produces a very soft-edged beam, so is often used as a wash light.

What does HPL stand for lighting?

Q: What are High Performance, High Lumen (HPL) flashlights? A: HPL flashlights are upgraded versions of the HP (high performance) flashlights we previously offered. The HPL lights provide the user with the beam distance of the HP lights with an enhanced lumen output.

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What is a scoop light?

In stage lighting, an ellipsoidal reflector floodlight (sometimes known by the acronym ERF which is often pronounced “erf”), better known as a scoop, is a large, simple lighting fixture with a dome-like reflector, large high-wattage lamp and no lens.

What does running the barrel on a Leko do?

It is a device that helps create even harder shadows out of a Leko light. It slides in the front of the lens barrel and helps define the beam better out of the light and eliminates the wall, the person, or the bounce card from seeing the whole face of the lit lens barrel.

How do you use Leko?

How do we measure the size of the lens on a source 4?

Focal length is determined by holding the lens below a light source while aiming the lens at the floor. Once the hot spot is a nicely defined shape (almost as if you’re focusing the lens to burn an ant with a magnifying glass), measure the distance (mm) from the floor to the lens.

What are Fresnel lights?

Fresnel lighting has been around for a long time, and for many years it was the staple of the motion picture industry. The Fresnel lens is essentially a lens that has been carved out, to provide light control—flood and spot, projecting a beam of light, without projecting the filament of the light bulb itself.

What is a scoop in Theatre?

In stage lighting, an ellipsoidal reflector floodlight (sometimes known by the acronym ERF which is often pronounced “erf”), better known as a scoop, is a large, simple lighting fixture with a dome-like reflector, large high-wattage lamp and no lens.

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How many watts is a Leko?

Leko lights are not without their downsides, however. Like any Tungsten light, they get hot and require gloves to handle. At 750 Watts, they won’t trip a household breaker on their own, but you don’t want to add more than three to the same circuit.

How do you change a source 4 lamp?

Is a Fresnel a spotlight?

FRESNEL. The Fresnel is a soft-edged spotlight that offers more control over the angle of the beam than a flood light. A Fresnel light’s beam is adjustable because you are able to move the lamp and the reflector closer or further away, by using a screw mechanism or a slide.

How is a lighthouse powered?

In more modern lighthouses, electric lights and motor drives were used, generally powered by diesel electric generators. These also supplied electricity for the lighthouse keepers. Efficiently concentrating the light from a large omnidirectional light source requires a very large diameter lens.

What is a lighthouse lens called?

The Fresnel lens (pronounced “Frey Nel”), as it came to be known, represented a monumental step forward in lighthouse lighting technology, and therefore also in maritime safety. In a Fresnel lens, hundreds of pieces of specially cut glass surround a lamp bulb.

What are the 6 functions of stage lighting?

Functions of Stage Lighting

  • Visibility. If the audience can’t see the actors, everything else the lighting designer does is a waste of time. …
  • Mood. “Mood” (or “atmosphere”) is the evocation in the audience of the appropriate emotion. …
  • Composition. …
  • Plausibility. …
  • Reinforcement. …
  • Revelation of Form. …
  • Punctuation.

What is a spill in Theatre?

SPILL – Stray beams of light striking stage or auditorium.

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