What types of bulbs are available for professional stage lighting?

Professional stage lighting uses three main light source technologies: LED modules offering 50,000+ hour lifespans and energy efficiency of 80–150 lumens per watt, available in fixed white or RGB/RGBW colour mixing; halogen lamps (300W–2000W) providing excellent colour rendering (CRI >95) and smooth dimming, ideal for profile spotlights and Fresnel fixtures; and discharge lamps (250W–1200W metal halide or high-pressure sodium) delivering maximum luminous intensity from compact arc sources for moving heads, followspots and long-throw applications. Each technology serves distinct applications based on output requirements, colour quality needs and control characteristics.

What is meant by a light source in event technology?

A light source – technically termed a lamp – is the component within a luminaire that generates light through electrical, chemical or physical processes. In professional event technology, light sources are precision-engineered to deliver consistent colour temperature, high luminous output and reliable performance under demanding conditions including vibration, elevated temperatures and frequent switching cycles. Unlike household bulbs, professional stage lamps are specified by luminous flux (lumens), colour temperature (Kelvin), colour rendering index (CRI) and operating life, with socket types and electrical characteristics designed for high-power applications and compatibility with DMX control systems.

What is better for stage lighting, 3000 Kelvin or 4000 Kelvin?

The choice between 3000K and 4000K colour temperature depends on your application. 3000K warm white (similar to tungsten-halogen at 3200K) produces flattering skin tones and creates an intimate atmosphere, making it ideal for theatrical performances, concerts and events where natural, warm lighting is desired. 4000K neutral white provides crisper, more neutral illumination suitable for corporate events, trade shows and applications requiring accurate colour perception without the warm amber cast. For broadcast and film work, 3200K tungsten balance remains the professional standard for interior scenes, while 5600K daylight balance is used for outdoor or mixed-lighting scenarios. Many modern LED fixtures offer tuneable white (2700–6500K) allowing you to adjust colour temperature to suit each scene.

Which socket type fits my stage lighting fixture?

Professional stage fixtures use specialised sockets: GY9.5 (two pins, 9.5mm spacing with locating notch) is standard for 300W–2000W halogen lamps in profile spots and Fresnels; GX9.5 has different pin orientation and is not interchangeable with GY9.5; G22 handles high-power halogen and some discharge lamps above 2000W; PGJ5 and PGJX5 are precision sockets for compact discharge lamps in moving heads, ensuring exact arc positioning; SFc10-4 and FC2 are ceramic sockets for high-intensity discharge lamps in followspots. Always verify the exact socket type marked on your fixture or consult the manufacturer's manual before ordering replacement lamps – incorrect socket types will not fit or may create safety hazards.

How many lumens do I need for professional stage lighting?

Lumen requirements depend on venue size and throw distance. For small clubs (up to 200 capacity), LED wash fixtures with 3000–5000 lumens per unit and profile spots with 5000–8000 lumens provide adequate coverage. Mid-size theatres (200–800 capacity) require 15,000–25,000 lumens for front-of-house key lighting at 10–20 metre throws, typically achieved with 575W–750W halogen or 250W–300W discharge lamps. Large arenas (800+ capacity) demand 40,000–80,000 lumens for long-throw followspots and moving heads, requiring 575W–1200W discharge lamps. However, luminous intensity (candela) and beam angle matter more than raw lumens – a tightly focused 20,000-lumen fixture can outperform a 40,000-lumen wide-flood at distance. Consult photometric data and use lighting calculation software for precise planning.

Can I use household LED bulbs in professional stage fixtures?

No, household LED bulbs are unsuitable for professional stage lighting. Consumer LEDs typically have inadequate colour rendering (CRI 70–80 vs. professional CRI 90–95+), causing unnatural skin tones and poor colour accuracy. They lack the thermal management required for enclosed fixtures – professional LED modules include active cooling and are rated for ambient temperatures up to 50°C, while household bulbs overheat and fail rapidly in stage fixtures. Consumer LEDs also use low-frequency PWM dimming (200–400Hz) that creates visible flicker on camera, whereas professional fixtures use >1200Hz for flicker-free broadcast operation. Additionally, household bulbs do not provide the luminous intensity, beam control or DMX compatibility required for professional applications. Always use light sources specifically designed and rated for stage lighting use.

What does a professional stage lamp cost?

Professional stage lamp prices reflect technology and application requirements. LED modules for wash fixtures and PAR cans range from €40 for basic 12W RGBW units to €200 for high-CRI 200W+ COB modules with advanced thermal management. Halogen lamps cost €8–€15 for standard 300W–650W GY9.5 types (EGJ, EGG, FKJ profiles) and €35–€45 for 1200W models or specialised long-life variants. Discharge lamps start at €60–€80 for 250W MSR/MSD types used in compact moving heads, rising to €120–€180 for 575W models and €180–€250 for 1200W long-life lamps for followspots and large-format fixtures. Genuine lamps from manufacturers like Osram, Philips and GE cost more than generic alternatives but deliver consistent performance, longer life and compliance with safety standards – false economy from cheap lamps leads to premature failure and potential fixture damage.

How do I safely replace a discharge lamp in a moving head?

Safe discharge lamp replacement requires careful procedure: 1) Disconnect mains power and allow the fixture to cool for at least 30 minutes – discharge lamps operate at 900°C+ and remain dangerously hot long after switch-off. 2) Wear clean cotton gloves to prevent skin oils contaminating the quartz envelope, which causes hot spots and premature failure. 3) Verify the replacement lamp matches exactly: wattage, base type (PGJ5, PGJX5, etc.), arc gap and colour temperature as specified in the fixture manual. 4) Note orientation markings on the lamp base – most discharge lamps must operate in a specific position (base-up, base-down or horizontal). 5) Seat the lamp fully in the socket, ensuring any retaining clips or shields are properly secured. 6) Inspect visually before powering on – check alignment, socket engagement and absence of foreign material. Never look directly at an operating discharge lamp without appropriate UV-filtering eyewear. Dispose of used lamps through certified mercury recycling facilities.

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Illuminants

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Compact fluorescent lamps

Fluorescent lamps & glowsticks

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Luminous flux (Lumen)

from 10 to 380000

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from 100 to 9200

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from 0.55 to 1411.5

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LED lamp
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Philips CorePro LED PLS 5W 830 2P G23

General properties • Base: G23 [ G23] • Nominal life (Nom): 30000 h • Switching cycle: 50000X • B50L70: 30000 h • Lighting data • Color code: 830 [ CCT of 3000 K]...

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Philips Cord Vintage E27 rose gold E27, 2 m, kürzbar

Philips Cord Vintage E27 rose gold E27, 2 m, cuttable

Cap-Base: E27 [ E27] • Light Technical • Luminous Efficacy (rated) (Nom): 0.00 lm/W • Operating and Electrical • Input Frequency: 50 to 60 Hz • Power (Rated) (Nom): 40 W...

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OMNILUX Tube 18W G13 600x26mm T8 6400K

An undispensable means for decoration For standardized 600 cm-socket • Countless number of application possibilities • 24 pieces per unit • Color temperature: 6400 K • Lamp...

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OMNILUX A19 230V/40W E27 orange

Dimmable • Operating voltage: 230 • Nominal wattage: 40 W • Base: E27 • Lamp type: Incandescent lamp • Lamp specification: Dimmable • Beam angle: 310° • Color...

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Unifassung G4- Socket G-5,35

Unifassung G4 – G-5.35 base for compact fluorescent lamps High-quality uni-holder for G4 lamps with G-5.35 base. Ideal for safe use in low-voltage lighting systems. Sturdy design for a...

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OMNILUX PAR-38 230V COB 18W E-27 LED 1800k-3000k dim2warm

PAR-38 LED lamp with modern dim-to-warm feature Dimming behavior comparable with incandescent and halogen lamps (dim-to-warm) • Changes the light color from 3000 K (warm white) to 1800 K...

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EUROLITE Farbrohr für T8 Neonröhre, 149cm pink

EUROLITE Pink Color Filter 149cm for T8 neon tube

Color filter to slip onto white neon tubes Neon tubes a bit different • Available in various colors • For further information about this product, please refer to the Data Sheet under...

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PHILIPS MSD Platinum 5R 8000 K

The Philips MSD Platinum lamps open up new levels of creative freedom in entertainment lighting, with powerful, compact and brilliantly intense light. Their compact, lightweight design provides the...

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PHILIPS MSD Platinum 2R 8000 K

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OSRAM Sirius HRI 190 W (5R) 8200 K

Osram SIRIUS HRI® series Compact reflector lamps with high light output for spectacular light effects - developed for small moving heads : Light Source Type: Discharge • Light Source...

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Osram PARATHOM MR16 20 36° 2.6 W/830 GU5.3

OSRAM PARATHOM® MR16 20 36 ° 2.6 W/3000 K GU5.3

Low-voltage LED reflector lamps MR16 with retrofit pin base. Product features: LED alternative to low voltage halogen lamps • High color consistency: = 6 SDCM • Not dimmable • Base:...

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Osram PARATHOM PRO MR16 20 36° 4.5 W/2700 K GU5.3 DIM

OSRAM PARATHOM® PRO MR16 20 36 ° 3.6 W/2700 K GU5.3

Dimmable low-voltage LED reflector lamps MR16 with retrofit pin base. Product features: LED alternative to low voltage halogen lamps • High color consistency: = 3 SDCM • Dimmable...

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Osram LED-Lampe E27 Star Décor CLA A 2,5W, Blau

OSRAM LED STAR DÉCOR CLASSIC A 4 300 ° 2.5 W/9000 K E27

Colored LED lamps, classic bulb shape, with retrofit screw base. Product features: LED lamps for line voltage • Conventional light bulb shape • Base: E27 • Not suitable for use with...

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LED Spannungsversorgung IP67 24V 240W Dali - Meanwell ELG-240-V-24DA 3Y

LED Power Supply IP67 240 W/24 V Dali Meanwell ELG-240-V-24DA 3Y

Constant Voltage + Constant Current mode output • Metal housing design with functional ground • Built-in active PFC function • No load / Standby power consumption IP67 rating for...

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ISOLED G4 LED 10SMD, 2W, warmweiß, Pin seitlich

ISOLED G4 LED 10SMD, 2W, warm white, pin on side

G4 LED 10SMD, 2W, warm white, pin on side Length: 40mm • Diameter: 30mm • Net weight: 4g • Socket: G4 • LED type: 10xSMD5050 • Nominal voltage: 12V AC/DC • Nominal...

€4.20 *

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ISOLED LED Trafo 12V/DC, 0-8W, runde Bauform, SELV

ISOLED LED transformer 12V/DC, 0-8W, round design, SELV

LED transformer 12V/DC, 0-8W, round design, SELV Height: 22mm • Diameter: 53mm • Net weight: 50g • Nominal voltage: 220-240V AC • Nominal power: 8W • Protection class: IP20...

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ISOLED G4 LED 12SMD, 2W, neutralweiß, Pin seitlich

ISOLED G4 LED 12SMD, 2W, neutral white, pin on side

G4 LED 12SMD, 2W, neutral white, pin on side Length: 42mm • Height: 9mm • Diameter: 30mm • Net weight: 10g • Socket: G4 • LED type: 12xSMD2538 • Nominal voltage: 12V...

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ISOLED MR16 LED Strahler 6W Glas diffuse, 120°, warmweiß

ISOLED MR16 LED Spotlight 6W Glass diffuse, 120°, warm white

MR16 LED Spotlight 6W Glass diffuse, 120°, warm white Length: 56mm • Diameter: 50mm • Net weight: 48g • Socket: GU5.3 • LED type: SMD2835 • Nominal voltage: 12V AC/DC...

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ISOLED R7s LED Stab SLIM, 5 Watt , 24 SMD, L: 78mm, warmweiß

ISOLED R7s LED bar SLIM, 5 Watt , 24 SMD, L: 78mm, warm white

R7s LED bar SLIM, 5 Watt , 24 SMD, L: 78mm, warm white Length: 78mm • Width: 29mm • Height: 29mm • Diameter: 29mm • Net weight: 46g • Socket: R7S • LED type:...

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ISOLED G4 LED 1.2W, warm white

G4 LED 1.2W, warm white Length: 12mm • Width: 9mm • Height: 35mm • Net weight: 25g • Socket: G4 • LED type: 12xSMD • Nominal voltage: 12V AC/DC • Nominal power:...

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ISOLED AR111 20W, 25°, warmweiß, inkl. externem VG

ISOLED AR111 20W, 25°, warm white, incl. external ballast

AR111 20W, 25°, warm white, incl. external ballast Length: 107mm • Height: 70mm • Diameter: 107mm • Mounting depth: 70 • Net weight: 600g • LED type: 1xCOB...

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ISOLED LED Trafo 12V/AC, 0-105VA, dimmbar, SELV

ISOLED LED transformer 12V/AC, 0-105VA, dimmable, SELV

LED transformer 12V/AC, 0-105VA, dimmable, SELV Length: 113mm • Width: 44mm • Height: 28mm • Net weight: 110g • Nominal voltage: 230V AC • Protection class: IP20...

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ISOLED LED Trafo 24V/DC, 0-60W, Gitter Slim

ISOLED LED transformer 24V/DC, 0-60W, Mesh Slim

LED transformer 24V/DC, 0-60W, Mesh Slim Length: 182mm • Width: 47mm • Height: 31mm • Net weight: 260g • Nominal voltage: 220-240V AC • Nominal power: 60W • Protection...

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ISOLED G9 COB LED 2W, warm white, 220lm

G9 COB LED 2W, warm white, 220lm Length: 14mm • Width: 13mm • Height: 44mm • Net weight: 10g • Socket: G9 • LED type: 1xCOB • Nominal voltage: 220-240V AC...

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Facts

Professional Light Sources for Stage and Event Technology: Welcome to the professional light source range at LTT – your specialist for event technology. Whether you are equipping a touring production, upgrading your club installation or maintaining a theatre lighting rig, you will find the right bulbs and lamps for every professional application here. From high-output discharge lamps for moving heads to precision halogen bulbs for profile... Read more »

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