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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PHILIPS MAS LED spot VLE D 2.8-35W GU10 930 36D LED reflector lamp PAR16 3000K 270lm

PHILIPS MAS LED spot VLE D 2.8-35W GU10 930 36D LED-Reflektorlampe PAR16 3000K 270lm MASTER Value, LED, PAR16, Only with special dimmers, GU10, 3000 K, 270 lm, CRI 90, 25,000 hours, Glass, 96 lm/W,...

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PHILIPS MAS LED spot VLE D 5.5-80W GU10 930 36D LED reflector lamp PAR16 3000K 575lm E

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PHILIPS CorePro LEDCandle ND 2.2-25W B35 E14 FRG 250lm 2700K E14 matte B35 n.dim

PHILIPS CorePro LEDCandle ND 2.2-25W B35 E14 FRG 250lm 2700K E14 matt B35 n.dim CorePro, LED, B35, No, E14, 2700 K, 250 lm, CRI 80, 15,000 hour(s), 113.00 lm/W, EEL E, PF 0.4, RG1, IP20, SVM 0.4,...

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PHILIPS CorePro LEDBulbND 150W E27 A67 827 FR G 2452lm 2700K E27 matte A67 n.dim

PHILIPS CorePro LEDBulbND 150W E27 A67 827 FR G 2452lm 2700K E27 matt A67 n.dim CorePro, LED, A67, No, E27, 2700 K, 2452 lm, CRI 80, 15000 hour(s), 140.00 lm/W, EEL D, PF 0.51, RG1, IP20, SVM 0.4,...

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PHILIPS CorePro LEDBulbND 150W E27 A67 840 FR G 2452lm 4000K E27 matte A67 n.dim

PHILIPS CorePro LEDBulbND 150W E27 A67 840 FR G 2452lm 4000K E27 matt A67 n.dim CorePro, LED, A67, No, E27, 4000 K, 2452 lm, CRI 80, 15000 hour(s), 140.00 lm/W, EEL D, PF 0.51, RG1, IP20, SVM 0.4,...

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PHILIPS MAS LEDBulb DT3.4-40W E27 CRI95A60CL G LED bulb FM E27 A60 2200-2700K 470lm kl

PHILIPS MAS LEDBulb DT3.4-40W E27 CRI95A60CL G LED-Lampe FM E27 A60 2200-2700K 470lm kl LED, A60, Only with special dimmers, E27, 2200 K, 2700 K, 470 lm, CRI 95, 25000 hour(s), Glass, 138 lm/W, EEL...

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PHILIPS MAS LEDBulbDT5.9-60W E27 CRI95A60CL G LED bulb FM E27 A60 2200-2700K 806lm kl

PHILIPS MAS LEDBulbDT5.9-60W E27 CRI95A60CL G LED-Lampe FM E27 A60 2200-2700K 806lm kl LED, A60, Only with special dimmers, E27, 2200 K, 2700 K, 806 lm, CRI 95, 25,000 hours, Glass, 136 lm/W, EEL...

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PHILIPS MAS LEDBulbDT10.5-100W E27 CRI95A60CLG LED bulb FM E27 A60 2200-2700K 1521lm

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PHILIPS CorePro LEDcapsuleMV 2.7-25W G9 827 D LED tube lamp G9 2.7W 2700K 300lm kl

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PHILIPS CorePro LEDcapsuleLV 2.1-20W G4 827 D LED tube lamp G4 2.1W 2700K 210lm

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PHILIPS MSR Gold 400 MiniFastFit 1CT/16 400W 6700K 26000lm PGJX28 dim 198V

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PHILIPS Actinic BL TL 11W/10 Insect Lamp 11.5W G5 Ø16mm

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PHILIPS MASTER MHN-LA 2000W/842 400V XWH X528/CABLE 20074700 Discharge lamp

PHILIPS MASTER MHN-LA 2000W/842 400V XWH X528/CABLE 20074700 Entladungslampe MASTER MHN-SA creates a pleasant atmosphere and high visual comfort when illuminating sports facilities with its long...

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Ledvance LED MR165036 6.1W 827 GU5.3 P

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OSRAM 64672 M40 230V/500W GY-9.5 2000h

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OSRAM PARATHOM® DIM PAR16 50 36 ° 4.5 W/2700 K GU10

Dimmable LED reflector lamps PAR16 with retrofit pin base. Product features: LED alternative to high voltage halogen lamps • High color consistency: = 5 SDCM • Dimmable • Base: GU10...

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OSRAM PARATHOM® PAR16 100 36 ° 9.6 W/4000 K GU10

LED reflector lamps PAR16 with retrofit pin base. Product features: LED alternative to high voltage halogen lamps • High color consistency: = 6 SDCM • Not dimmable • Base: GU10...

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LEDVANCE LED DRIVER VALUE -30/220-240/24

Constant voltage LED driver. Product features: Available in 30 W, 60 W, 120 W and 150 W • Integrated cable clamp for independent installation • Lifetime: up to 35,000 h (at max. tc...

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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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SHOWGEAR LED-Glühfadenlampe T9 300 mm – dimmbar – spiralförmiger Glühfaden

SHOWGEAR LED Filament Bulb T9 300mm 300 mm - dimmable - spiral filament

The antique look and warm glow of vintage reproduction LED filament bulbs are popular for restaurants, lobbies and hotels. Antique LEDs have experienced an incredible revival in recent decades....

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SHOWGEAR LED-Glühbirne mit Glühfaden T9 225 mm – dimmbar – spiralförmiger Glühfaden

SHOWGEAR LED Filament Bulb T9 225mm 225 mm - dimmable - spiral filament

The antique look and warm glow of vintage reproduction LED filament bulbs are popular for restaurants, lobbies and hotels. Antique LEDs have experienced an incredible revival in recent decades....

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SHOWGEAR LED-Glühfadenlampe T9 185 mm – dimmbar – spiralförmiger Glühfaden

SHOWGEAR LED Filament Bulb T9 185mm 185 mm - dimmable - spiral filament

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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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