LIGHTING INVENTORY

TYPE

Number and model

Description

COLOURED LED CANS
6 x MarQ Colormax PAR64
Used for backline colour light show. Very bright with a narrow beam angle. Smooth fade, no perceivable flicker, and silent in operation.


8x PAR64 RGB
Used for front overheads. 90w with a narrow beam angle. Inbuilt fans make them unsuitable for film work.


2 x Omni Tri-9 PAR64
Used for coloured stage beams and footlights. Narrow beam angle 9x9W RGB PAR64s equipped with barn doors. Not suitable for video work due to fan noise

2 x Pulse ECO LED PAR56
Low power (20W) 3 or 5ch RGB cans with a relatively wide beam equipped with fresnel holders, useful for studio work or on-stage fillers. Silent in operation.

KAM PARbar MkII
Four PAR56 RGB lights attached to a 3ft bar which can be floor, stand, or truss mounted. They operate in 'Obey-3' mode which means that all lamps work together in RGB mode. These make useful footlights, however they are not waterproof.


STAGE FLOODS
4 x 1m daylight strip-lights
Primarily used as video studio lighting these 50W daylight strip-lights provide bright general purpose illumination. They cannot be dimmed but are fast start and could be strobed.

8 x daylight floodlights
The same size as slim PAR56s these 100W daylight industrial warehouse lights provide general overhead stage illumination, with fixed colour if gelled. These can be hard wired, relay switched or dimmed using trailing edge LED dimmers. The beam angle is 120 degrees and are primarily used on the top trusses for general daylight reinforcement, or as house lights.

VDP6504BL Stage Blinder
Comprising 4 x 650W / 120V incandescent spotlight bulbs mounted in a 2x2 matrix controlled by a single DMX channel. The bulbs are wired in pairs in series for 240V operation. This single channel DMX controlled unit consumes about 1.5kW and gets very hot in operation.

1 x TechBox floodlight
The sort of light that would be used outside to illuminate a house from the ground, or a car park from above, this 200W daylight white fixture is a good general purpose stage or house-light unit. It is housed in a heavy metal casing and cannot be dimmed.

4 x Up-lighters
Housed in robust metal boxes these up-lighters take standard ES fitting lamps, currently fitted with 30w white LEDs. These have gel frames.

8 x Par38 mini-cans
All eight are fully waterproof enclosed spotlights equipped with dimmable daylight narrow beam 7W GU10 LED lamps. Six of these are mounted on a single bar which can be floor, stand or truss mounted.

2 x CFL floor lights
Fitted with daylight studio CFL tubes these PAR56 floor lights have fresnel lenses to make a wide general foot-light illumination.


SPECIALISED COLOURED LIGHTS
2 x Equinox Fusion 50 moving heads
General purpose moving head fixtures that can be floor standing or hung from stage trusses. DMX controlled on 9ch, primarily Pan; Tilt; RGBW; and Fade. 7 x 12W RGB LEDs. Noisy with a built-in fan.

2 x 5m ribbon lights
Two waterproof 5m 24v ribbons with bright RGBW LEDs. Each has a 2m multicore cable feeder which attaches to its controller via a 5 pin aviation connector. The controller handles both ribbons on contiguous DMX channels (a single start address).

Chauvet Followspot 755T
A 3ch DMX or standalone follow spot of unspecified brightness (it was used successfully at about 25 metres). DMX control or back-panel buttons provide control of fade, a choice of 8 preset colours, and strobe. The internal power supply is distracting, sounding like acoustic feedback.

Spotlight
A 9W, 6ch DMX controlled RGBW spotlight useful for studio filming of silent video effects. It has a quiet, but not insignificant inbuilt fan.

GP UV PAR38
Used primarily in the studio this blacklight fixture is silent in operation, but probably not powerful enough for stage use. It utilises an RGB internal 7ch DMX controller but only ch4 is useful as a fader. Useful to highlight specific items in a backdrop or scenery.


STUDIO LIGHTS
2 x Soft-boxes
Large and cumbersome umbrella based photographic softboxes on stands, with E27 mains bulb fittings.

2 x daylight floods
Aluminium studio fixtures with E27 fittings, currently equipped with LED daylight photographic bulbs suitable for still or video photography.

CONTROLLERS
Main Control Desk
This comprises of two parts:-
- The first is a Behringer LC2412 standalone programmable lighting controller fitted with a two output DMX splitter / buffer (more info).
- In addition, for more complex shows, the LC2412 is connected via a MIDI interface to a dedicated computer running lighting control software (more info). This allows all the hardware sliders and switches to be mapped to complex DMX functions. The output is a merger / splitter, allowing buffered redundant links to the stage as well as 'controller end' DMX outputs.

Test controller
A Transcension Commander 384 control desk is mounted in the primary stage box so that fixtures can be programmed (addresses set) during testing prior to rigging on stage. This is temporarily wired to each fixture, then usually disconnected and not used during a performance.

Follow spot controller
A three channel DMX controller can be connected to the follow-spot in order to make colour selection and fading easier when the fixture is being operated at high level (and hence the back-panel is out of view).

AirDMX
An iPad based DMX controller comprising of a simple fixture control application wirelessly linked to a dedicated DMX / ArtNet interface.

Used primarily for portable testing.

LIGHTING INFRASTRUCTURE
Stage Box (A)
This primary on-stage box (on wheels) receives a redundant pair* of DMX feeds from the main controller and splits it five ways. One is normally connected to a wireless DMX transmitter for on-stage distribution. The second is internally wired to a three way relay unit. The other three are for optional wired distribution of DMX around the stage.

This stage box also contains three 16amp and six 10amp power distribution outputs for lighting fixtures, hence seeking to make all lighting circuits independent of others and potentially on their own phase. The main input feed has a volt / ammeter attached to monitor the incoming power supply and consumption.

The three way relay unit has IEC type-C outputs fed from DMX controlled Solid State Relays, each fed directly from the 16amp supply. A switch in each channel can bi-pass the relay output turning the output ON, useful for when DMX is not available.

(*) The input of the stage box sends DMX from the primary input exclusively to the outputs unless it fails (no DMX signal), in which case the secondary input takes over.


Stage Box (B)
Housed in a waterproof box, this contains an unfused 16amp 'through circuit' and a switched feed for an internal 10amp breakout. This circuit feeds a DMX wireless receiver, 2 way DMX splitter, and a 10amp output trailing lead for feeding overhead fixtures. Two trailing DMX outputs feed overhead fixtures and (optionally) a wired DMX link to stage box (D).

Stage Box (C)
Housed in a small cylinder this is very similar to box (B), but without the splitter. It has the 16amp 'through circuit' as well as a wireless DMX receiver and 10amp feed to overhead fixtures.


Stage Box (D)
Designed for front of stage this floor box contains:
- a wireless DMX receiver, with the option of an alternative wired input
- a three way DMX relay unit, primarily for non-DMX footlights. Same specification as stage box A but without override switches.
- a two channel LED lighting fixture dimmer with optional leading / trailing edge switching. Maximum 200W per channel.
- (optional) control circuits for 2 x 24v RGBW ribbon lights. These are more often housed in a separate waterproof case.

Stage Box (E)
Designed to be attached to overhead gantries this cylinder contains:-
- a wireless DMX receiver, with the option of an alternative wired input
- DMX output for daisy chaining to other fixtures
- 2 x two channel LED lighting fixture dimmers with optional leading / trailing edge switching. Maximum 200W per channel.

Other DMX switches
2 x 4ch Transcension DMX electronic switch units. These are designed to switch incandescent fixtures as they periodically send a pulse to the filament to keep lamps warm for fast-start. Hence they are of limited use with LED or CFL bulbs (although 'slow start' units may be OK).

1 x 8ch 10amp per channel, 10amp total, relay unit, normally used to switch overhead studio fixtures.


Hardware
All stage fixtures can be mounted on 50mm trusses using clamps, or floor mounted. Mains connection to fixtures is via IEC Type-C 'kettle' plugs and sockets, with primary feeds using 16amp 'commando' plugs and sockets. At the control end standard UK mains plugs are used.

Tripods

50mm bars

Cables

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