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Theater stage lighting configuration
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The stage in the theater has a variety of stages, such as a regular framed 
stage, an extended stage, an island stage, and a stage called a black box. 
Because the stage forms are different, the configuration requirements of the 
stage lamps are not the same. . For the sake of convenience, I take the 
ordinary framed stage as an example. This kind of stage is more in the past 
or in the current reconstruction and new theater. Therefore, it is extremely 
necessary and necessary to talk about the lighting configuration of this 
stage.
The stage (which refers to the framed stage, the latter is the same) will 
have different lighting requirements due to the different plays. Therefore, 
we must be clear about what kind of repertoires to perform on this stage 
before using the lamps, so that the lamps and lanterns will have clear goals 
and intentions. If the stage is located in the traditional opera and ballet, 
the configuration of the lamps must be configured according to the 
requirements of opera and ballet. For example, in the case of large-scale 
songs and dances, chowders and other special programs, in addition to the 
basic requirements for configuring beam lights and pattern lights, special 
lamp positions and lamp configurations should be added according to specific 
program requirements, which is difficult to clarify here. Therefore, I only 
talk about the configuration of the basic lamps on the theater stage. 
According to this configuration, it can meet the requirements of local 
dramas such as opera, dance, ballet, drama, and Beijing opera.
?Before configuring the luminaires, you should first understand the types of 
luminaires and their main functions and uses. I will briefly introduce the 
performance of some luminaires here for the luminaire configuration.
1. Spotlights - Spotlights used on the stage refer to the use of flat 
convex condensers in front of the lamps. Compared with 230W beam lamps, the 
lamps can adjust the spot size. The beam beams are concentrated, and the 
diffused light is smaller. There are a variety of 0.5W to 5KW, the focal 
length is long, medium and short, and the distance of the range of sight is 
selected according to the needs.
2. A rib lamp - or a soft light, but in the television world, the lamp is 
called a spotlight. In order to distinguish the above-mentioned flat convex 
concentrating or beam lamp on the stage, the threaded lamp is scattered and 
soft, so the diffusing area is large, and sometimes the light is scattered 
in front of the mirror in order to control the diffused light, which is 
characterized by light. The area is large, not like the spotlight or the 
beam lamp has obvious spot feeling, the shooting distance is relatively 
close, and the power is 1KW, 2KW and so on.
3. Backlights - There is no lens in front of this kind of lamp, and the 
light is completely emitted by the larger mirror behind it. With the same 
2KW bulb, the brightness is brighter than the concentrated light, so it 
should be used when the stage is to show strong light source and brightness. 
The effect is better than other lamps, characterized by strong beam, but pay 
attention to the focus point when dimming, it is not appropriate to adjust 
the focus point on the color paper or the screen, which is easy to cause 
burning, and the center often appears black in the dimming In order to avoid 
the black heart, an annular baffle is added at the center of the front end 
of the lamp, and the spot light emitted is large and not easy to gather. Now 
a new type of coating on the reflective bowl to make the outer line of the 
line backwards to reduce the temperature in front of the lamp, the effect is 
very good, the name is the cold light super spotlight, the actual structure 
of the lamp is the same as the back light.
4. Imaging lights - or shaped lights, ellipsoid spotlights. There are a 
variety of beam angles that can be selected according to the needs. The main 
characteristics are such as slides that can cut the spot into square, 
diamond, triangle and other shapes, or project various patterns and 
patterns, and the power is also 1KW, 2KW, etc. Optional configuration.
5. Simple lamp - also known as PAR lamp, or beam lamp, its structure is to 
install a mirror bulb in the cylinder and also use a reflective bowl to 
install bromine tungsten bubble. The main characteristic is to shoot a 
relatively fixed beam, the beam angle is wide and narrow, and the spot is 
light. The size cannot be adjusted.
6. Daylighting lamp - a high-power astigmatism lamp used to illuminate the 
skylight from top to bottom, requiring a bright and balanced light with a 
large illumination area.
7. Floor lamp - a high-power astigmatism lamp, used to place on the stage 
surface, the lower part of the skylight is illuminated upwards, and is 
connected to the light of the daylight lamp, evenly above and below.
8. Astigmatic strip light - long strips, divided into multiple grids, 
generally can be divided into three or four colors, each with an 
incandescent bulb power of about 200W, requiring a variety of colors to 
self-align, for large-area illumination screen or screen use It can also be 
used as a large-area balanced lighting. Various colors of light can also be 
used at the same time to bring out different colored beams.
9. General astigmatism lamps, such as iodine-tungsten lamps and ordinary 
floodlights, are used to evenly illuminate an area, or some set of scenes.

The lamps introduced above are the basic lamps used in the general stage, 
but other types of lamps should be arranged depending on the form of the 
performance.

For example, in addition to the basic lamps, the song and dance party 
uses a large number of downlights, computer lights, hose lights, lights, 
various effects lamps, and even smokers, dry ice machines, strobe lights, 
lasers and projection slides, and supporting use. For post-projection, to 
reduce the source of spots, special seamless plastic screens, etc., here are 
not examples.
The stage lighting configuration is divided into two parts: the mouth and 
the mouth.
First, the surface of the station is generally divided into light, slap, box 
(stairs), long-distance chasing room.
1. According to the scale of the theater stage, there is a surface light, 
two light, and even three light. The configuration of the surface light 
should be based on the distance between the distance and the spotlight, and 
the spotlights and imaging lights with different set distances should be 
above 2KW. The first surface light is closer to the mouth of the station, 
and some 2KW rib lights and back lights can be added. A face light and two 
side lights should be equipped with a suitable focal length in the left, 
middle and right positions. The power-matching light-receiving lamps can be 
individually controlled by the chasing personnel to control their brightness 
and color change.
2. The slaps are symmetrically arranged on the left and right sides of 
the platform. According to the scale of the theater stage, one or two slaps 
can be set on each side. The luminaires are mainly equipped with spotlights. 
The imaging lights and rib lights can be arranged in a small amount, because 
the slaps rely on the side walls of the audience hall. Very close, when 
using ribbed lights, diffused light often brightens the walls nearby, 
affecting the atmosphere of some scenes, so it should be used less. A set of 
follow-up lights should be set in each of the left and right slaps for the 
chasing personnel to control.
3. The foot light is generally on the side of the music pool outside the 
mouth of the station. The foot is light, the built-in four-color astigmatism 
strip light, and the color separation control, the length is slightly 
smaller than the width of the table.
4. The long-distance chasing room is generally set up on the left and 
right sides of the auditorium. The gas discharge lamp such as a xenon lamp 
is arranged inside. All the controls are operated by the chasing light. If 
no special chasing room can be set, it is often on the left and right sides 
of the building. The rear area is equipped with a follow-up light.

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