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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OMNILUX GU-10 230V 7W LED Leuchtmittel UV aktiv

OMNILUX GU-10 230V 7W LED bulb UV active

Special lamp for show effect lighting Countless number of application possibilities • No ballast resistor necessary • Already existing a good number of years, the "black light...

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OSRAM Sirius HRI 231 W FS1 8000 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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ELDOLED LINEARdrive DC – 200 W Konstantspannung – DALI-2 – 1 Kanal, 2 Ausgänge – LIN200D2Z1D3

ELDOLED LINEARdrive DC - 200 W Constant Voltage - DALI-2 - 1 Channel, 2 Outputs - LIN200D2Z1D3

200 W constant-voltage driver with 12-28 V DC input • DALI DT6 compatible • 0.1% deep, flicker-free dimming with Hybrid HydraDrive • Two LED outputs and one control channel...

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ELDOLED LINEARdrive DC – 200 W Konstantspannung – DALI-2 – 2 Kanäle, 2 Ausgänge – LIN200D2Z2D3

ELDOLED LINEARdrive DC - 200 W Constant Voltage - DALI-2 - 2 Channels, 2 Outputs - LIN200D2Z2D3

200 W constant-voltage driver with 12-28 V DC input • DALI DT6 compatible • 0.1% deep, flicker-free dimming with Hybrid HydraDrive • Two LED outputs and two control channels...

€109.00 *

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OMNILUX OSD 95V/575W GX-9.5 500h 7200K

Basics:GS=Gap Short (shortened electrode space)DE=Double Ended (double-sided lamp with threaded pin)SE=Single Ended (one-sided lamp)PAR=Lamp built in a parabolic reflector HMP=Due to their special...

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Philips CorePro LEDspot ND 3-40W R63 E27 827 36D

General properties • Base: E27 [ E27] • Nominal life (Nom): 15000 h • Switching cycle: 50000X • Technical type: 3-40W • Lighting data • Color code: 827 [ CCT of 2700...

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OSRAM POWERSTAR HQI®-T 1000…2000 W 1000 W/D

Metal halide lamps for enclosed luminaires. Product features: POWERSTAR® quartz technology • Light colors: neutral white (N), daylight (D) • : High efficiency • E40 screw base...

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OSRAM VIALOX® NAV®-E SUPER 4Y® 100 W SUPER 4Y

High-pressure sodium vapor lamps for open and enclosed luminaires. Product features: Lamp survival factor: 95 % after 16,000 h burning time • Lamp maintenance factor: = 80 % after 16,000 h...

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OSRAM LUMILUX® T8 18 W/827

Tubular fluorescent lamps 26 mm, with G13 bases. Product features: Very good lumen maintenance: 90 % throughout the service lifetime of the lamp • Good color rendering index • Dimmable...

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Osram 64805 CP85 5000W G-38 230/240V

Additional product data Socket (standard designation) G38/50 • Rated power 5000 W • Rated voltage 240 V • Dimensions & Weight Diameter 61.0 mm • Length 279.0 mm • Helix...

€104.64 *

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OSRAM HALOPIN® PRO 60 W 230 V G9

Halogen lamps with G9 base. Product features: Average life: 2,000 h • Dimmable • Color rendering index Ra: 100 • : Brilliant accent lighting • Incredibly small dimensions for...

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OSRAM HALOSTAR® PRO 60 W 12 V GY6.35

Low-voltage halogen lamps with pin base. Product features: Average life: 4,000 h • 100 % dimmable • Color rendering index Ra: 100 • IRC technology • : Brilliant accent lighting...

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OSRAM POWERSTAR HQI®-T 1000…2000 W 2000 W/N/E SUPER

Metal halide lamps for enclosed luminaires. Product features: POWERSTAR® quartz technology • Light colors: neutral white (N), daylight (D) • : High efficiency • E40 screw base...

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Oram 64741, EKM, P2/7, 230V, 1000W, Sockel R7S, 200h 185.7mm

Oram 64741, EKM, P2/7, 230V, 1000W, R7S, 200h 185.7mm

Areas of application Professional film and TV work • Theater and concert stages • Entertainment • Product features Operation at mains voltage: 120 V | 230 V | 240 V • Color...

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Osram Powertronic PTI35/220-240SNAP

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Osram Vorschaltgerät PTI70/220-240SNAP

Product advantages Proven, long service life at maximum permissible temperatures • Integrated socket/plug receptacle offers a variety of advantages • Quick and error-free installation of...

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OSRAM HALOPIN® PRO 20 W 240 V G9

Halogen lamps with G9 base. Product features: Average life: 2,000 h • Dimmable • Color rendering index Ra: 100 • : Brilliant accent lighting • Incredibly small dimensions for...

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Osram Vorschaltgerät PT-FIT 70/220-240 I Powertronic

OSRAM POWERTRONIC® PT-FIT I 70/220…240 I

ECG for HID lamps, with cable clamp. Product features: Energy Efficiency Index EEI: A2 • Supply voltage: 220…240 V • Line frequency: 50…60 Hz • RI suppression: to EN...

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Osram Vorschaltgerät QTi DALI 3x18/220-240 DIM

OSRAM QUICKTRONIC® INTELLIGENT DALI DIM T8 3X18 DIM

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OSRAM VIALOX® NAV®-E SUPER 4Y® 70 W SUPER 4Y

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HSD-150/70 G12 Osram Discharge Lamp 150 W

Discharge Lamp 150 W : Light Source Type: Discharge • Light Source Power: 150 W • Light Socket: G12 • CCT: 7500 K • Dimmable: No • Power Supply: 95 VAC • Power...

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Osram SHARXS HTI 700 W/D4/75 SFc10-4

Safety advice Because of their high luminance, UV radiation and high internal pressure during operation, Baby SharXS HTI, SharXS HTI and Maxi SharXS HTI lamps may only be operated in enclosed lamp...

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OSRAM HMI 2500 W/S XS SFa21-12

Safety advice Because of their high luminance, UV radiation and high internal pressure during operation, HMI lamps may only be operated in enclosed lamp casings specially constructed for the...

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Osram Baby SharXS HTI 250 W/D5/80

High average luminance (30…50 kcd/cm2) • Product features Color temperature: approx. 6,000 K (Daylight) • Hot restart capability • AC current • Average life:...

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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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