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Selecon Pacific 50 Degrees Fixed Beam Luminaire

The Selecon Pacific 50 degrees fixed-beam profile luminaire is ideal for short throw applications using conventional halogen light sources, or for medium throw applications using either the 80V 1200W halogen or the MSR discharge light sources. When using the MSR light sources, DMX dimmer control can be achieved by installing the Pacific Dowser, sold separately, between the lamphouse and the lens tube.


  • Beam angle fixed 50 degrees
  • Interchangeable lenses with 20, 30, and 40 degrees models allows changing fixed beam widths
  • Colour coded 20, 30, 40, and 50 degrees lenses for easy identification
  • Universal lamphouse
  • Halogen lamp choices 600W, 800W or 1000W
  • Additional lamp choices 80V 1200W Halogen, 150W MH or 575W MSR
  • Useful throw distances 1 to 8 metres (1000W), much more with 80V and MSR lamps
  • Base down lamp mounted axially in the reflector
  • Interchangeable colour coded lamp modules for selection of the various light sources
  • Interchangeable lens tubes
  • Lens tube rotates 360 degrees allowing for easy pattern alignment and shutter cuts
  • Heat management system removes over 80% of heat from the light beam
  • Cool "whiter" light beam due to reduced infrared component of light beam
  • Height adjustable yoke
  • Two slots for gobo holders, transparency holder or iris
  • Gate is so cool that plastic transparencies can be used with some light sources
  • Lower maintenance costs as lamp base and electrics are out of heated air flow
  • Safety switch disconnects power when lamphouse is opened
  • Cool safer operating controls
  • Built-in retaining clip for colour frame
  • Complies with CE safety requirements

Detailed Features

Pacific 20 degrees to 50 degrees fixed beam profiles utilise an interchangeable set of lenses (left) that are colour coded to identify the beam angle. Users can easily change the lens to change the beam angle of the luminaire, without any dismantling of the luminaire. This makes it practical to have a number of fixed-beam luminaires and a greater number of different lenses to provide a selection of beam angles instead of using less efficient zoomspots in semi-permanent lighting positions.

Selecon Pacific Fixed Beam Lenses
Selecon Pacific Universal Lamphouse

The universal lamphouse (left) is the foundation building block for each Pacific luminaire. The lamphouse contains the ellipsoidal reflector, the cold dichroic mirror and its heatsink, and it provides the yoke for hanging the luminaire. The desired lamp module attaches to the bottom of the lamphouse and the desired lens tube attaches to the front of the lamphouse with any necessary accessories to create the complete luminaire.

Selecon's planetary gear system on the bottom of the lamp module (right) ensures easy, smooth, beam adjustment from a peak (+3:1) to a flat (2:1) field by rotating the large centre knob. The three small knobs adjust the lamp tilt to enable easy centering of the lamp in the reflector. These controls stay cool for user safety.

Selecon Pacific Lamp Adjustment
Selecon Pacific Fixed Beam Lenses

Selecon's custom lens design enables Pacific luminaires to deliver straight shutter cuts, high contrast, and in-focus pattern projection right across the beam width. Selecon's optical engineers resolved the limitations of plano-convex and spherical lenses such as field curvature, field distortion and astigmatism by designing new lenses with complex aspheric surfaces. As a result, the beam of fixed angle Pacifics will show some chromatic aberration, a bluish tinge around the edge of the beam. This can be minimised by adjusting the lamp position. Of course it disappears when colour filters are used and is difficult to see on stage when part of a total stage lighting picture. Any chromatic aberration in a Pacific Zoomspots can be removed by altering the lens settings.

Heat Management

The unique Pacific heat management system utilises a cold dichroic mirror to remove over 80% of the heat from the light beam. This heat is then dissipated into the surrounding air by the heatsink. Temperature of the light beam at the gate is cool enough to allow the use of plastic transparencies. The lamp socket, safety switch and electrical wiring are contained in the bottom of the lamp module, in the coolest part of the airflow through the luminaire, to maximise the life of components and reduce maintenance costs.

Selecon Pacific Heat Management
Selecon Pacific Mirror Operation

The cold dichroic mirror technology reduces the amount of infra red (heat) and ultra violet radiation in the light beam. This delivers a cooler beam of light to the stage and increases the life of patterns and colour filters. Colour balance of the light beam is managed by the cold mirror to produce a "whiter" light.


Selecon Pacific Gobo Holder Selecon Pacific Iris Selecon Pacific Colour Frame Lens Safety Mesh Luminaire Hook Clamp
Gobo Holder Iris Colour Frame Lens Safety Mesh Hook Clamp


Selecon Pacific 50 Degrees Fixed Beam Photometrics

Technical Specifications

Beam Angle Fixed 50 degrees
Lamp 600W Theatre GKV 600W, 15000 lumens, 400 hours average life, 220-240V
Lamp 600W Long Life GLB 600W, 13000 lumens, 1500 hours average life, 220-240V
Lamp 800W Theatre GKV 800W, 20000 Lumens, 300 hours average life, 220-240V
Lamp 1000W GAD 1000W, 25000 Lumens, 250 hours average life, 230V
Lamp MSR575W MSR575/2, 49000 Lumens, 750 hours average life, re-ignition 10 minutes
Lamp MSR575W HR MSR575HR, 49000 Lumens, 750 hours average life, Hot Re-strike
Lamp Base G9.5 for GKV, GLB and GAD, G22 for MSR
Colour Frame Size 158mm x 158mm
Gobo Size A (requires optional gobo holder)
Construction Aluminium pressure die-castings and injection moulded Fortron plastic


Width: 250mm
Length: 580mm
Height: 410-440mm
Weight: 8.1kg
Selecon Pacific 50 Degrees Dimensions

Ordering Information

Description Order Code
Pacific Fixed Beam Profile 50 Deg, 600W SEL-PAFB50-GKV
Pacific Fixed Beam Profile 50 Deg, 800W SEL-PAFB50-GK8
Pacific Fixed Beam Profile 50 Deg, 1000W SEL-PAFB50-GAD
Pacific Colour Frame 158mm Sq. (Spare) SEL-19PACCF
Pacific Lens Safety Mesh F/Beam SEL-19PACSMFB
Pacific Gobo Holder A Size Steel SEL-19PACGHA
Pacific Gobo Holder A Size Glass SEL-19PACGHAG
Pacific Plastic Transparency Holder SEL-19PACGHPLPH
Pacific Iris SEL-19PACFSIRIS
Hook Clamp for 50mm Bars LXA-STDHC
Description Order Code
Lamp 600W GLB (GKV Long Life) LAM-GLB
Lamp 800W GKV800 LAM-GKV800
Lamp 1000W GAD (Blue Pinch) LAM-GAD
Lamp Modules (230V)  
Pacific Lamp Module (Blue) GKV SEL-19PACLM6PL
Pacific Lamp Mod. (Blue) GKV800 SEL-19PACLM8PL
Pacific Lamp Module (Red) GAD SEL-19PACLM1PL
For the full range of Lamp Module, Power Supply and other options please see the Pacific Components Section.

Please Note: Please specify your choice of lamp at time of ordering. Luminaires are supplied complete with colour frames and safety bonds. Safety bonds are permanently fitted to the luminaires to prevent loss and help encourage safe rigging practices.

The information presented on this page is provided by courtesy of Philips Selecon.
Revised: 24-Mar-2011 Copyright (C) 2011 Adena Limited