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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OSRAM Halogenlampen, stromgesteuert mit PK30d-Sockel 64361 HLX-A150-15

OSRAM Halogen lamps, current-controlled with PK30d base 64361 HLX-A150-15

OSRAM Halogen lamps, current-controlled with PK30d base 64361 HLX-A150-15 Halogen lamps, current-controlled with PK30d base : Length: 50 mm • Width: 13,50 mm • Height: 13,50 mm...

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OSRAM Halogenlampen, stromgesteuert mit PK30d-Sockel 64328 HLX-Z/C 65-15

OSRAM Halogen lamps, current-controlled with PK30d base 64328 HLX-Z/C 65-15

OSRAM Halogen lamps, current-controlled with PK30d base 64328 HLX-Z/C 65-15 Halogen lamps, current-controlled with PK30d base : Length: 48 mm • Width: 13,50 mm • Height: 13,50 mm...

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OSRAM SubstiTUBE T5 220-240V AC 10 W/4000 K 849 mm

OSRAM SubstiTUBE T5 220-240V AC 10 W/4000 K 849 mm LED tubes for operation on AC mains connection. Product features: LED replacement for T5 fluorescent lamps with G5 base on AC mains. Lamp tube...

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OSRAM SubstiTUBE T5 220-240V AC 10 W/4000 K 549 mm

OSRAM SubstiTUBE T5 220-240V AC 10 W/4000 K 549 mm LED tubes for operation on AC mains connection. Product features: LED replacement for T5 fluorescent lamps with G5 base on AC mains. Lamp tube...

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OSRAM SubstiTUBE T8 EM STAR PC 23 W/6500 K 1800 mm

OSRAM SubstiTUBE T8 EM STAR PC 23 W/6500 K 1800 mm Economic LED tubes for electromagnetic control gears. Product features: LED replacement for classic T8 fluorescent lamps with G13 socket for use...

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OSRAM SubstiTUBE T8 EM STAR PC 23 W/4000 K 1800 mm

OSRAM SubstiTUBE T8 EM STAR PC 23 W/4000 K 1800 mm Economic LED tubes for electromagnetic control gears. Product features: LED replacement for classic T8 fluorescent lamps with G13 socket for use...

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OSRAM PARATHOM® MR16 20 36 ° 2.6 W/4000 K GU5.3

OSRAM PARATHOM® MR16 20 36 ° 2.6 W/4000 K GU5.3 Low-voltage LED reflector lamps MR16 with retrofit pin base. Product features: LED alternative to low voltage halogen lamps. High color...

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OSRAM PARATHOM® DIM MR16 20 36 ° 3.4 W/2700 K GU5.3

OSRAM PARATHOM® DIM MR16 20 36 ° 3.4 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....

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OSRAM HALOLINE® SUPERSTAR 48 W 240 V R7S

OSRAM HALOLINE® SUPERSTAR 48 W 240 V R7S Double-ended halogen lamps with tubular base. Product features: Average life: 2,000 hours. Dimmable. Color rendering index Ra: 100. Base: R7s. Product...

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OSRAM HALOLINE® SUPERSTAR 120 W 240 V R7S

OSRAM HALOLINE® SUPERSTAR 120 W 240 V R7S Double-ended halogen lamps with tubular base. Product features: Average life: 2,000 hours. Dimmable. Color rendering index Ra: 100. Base: R7s. Product...

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OSRAM HQL LED PRO 2700 lm 21.5 W/2700 K E27

OSRAM HQL LED PRO 2700 lm 21.5 W/2700 K E27 LED replacement for HID lamps for outdoor application. Product features: Replacement for HQL: Suitable for operation with conventional control gear (CCG)...

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OSRAM HQL LED PRO 11700 lm 90 W/2700 K E40

OSRAM HQL LED PRO 11700 lm 90 W/2700 K E40 LED replacement for HID lamps for outdoor application. Product features: Replacement for HQL: Suitable for operation with conventional control gear (CCG)...

€132.09 *

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OSRAM Halogenlampen, Mittel-/Hochspannung, einseitig gesockelt 64501 150 W 120 V

OSRAM Halogen lamps, medium/high voltage, single-ended 64501 150 W 120 V

OSRAM Halogen lamps, medium/high voltage, single-ended 64501 150 W 120 V Halogen lamps, medium/high voltage, single-ended : Length: 55 mm • Width: 12 mm • Height: 12 mm • Diameter:...

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OSRAM Halogenlampen, Mittel-/Hochspannung, einseitig gesockelt 64662 300W 240V

OSRAM Halogen lamps, medium/high voltage, single-ended 64662 300W 240V

OSRAM Halogen lamps, medium/high voltage, single-ended 64662 300W 240V Halogen lamps, medium/high voltage, single-ended : Length: 80 mm • Width: 17,50 mm • Height: 17,50 mm...

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OSRAM Halogenlampen, Mittel-/Hochspannung, einseitig gesockelt 64686 650 W 240 V

OSRAM Halogen lamps, medium/high voltage, single-ended 64686 650 W 240 V

OSRAM Halogen lamps, medium/high voltage, single-ended 64686 650 W 240 V Halogen lamps, medium/high voltage, single-ended : Length: 64 mm • Width: 21 mm • Height: 21 mm • Diameter:...

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OSRAM Halogenlampen, Mittel-/Hochspannung, einseitig gesockelt 64504 150 W 230 V

OSRAM Halogen lamps, medium/high voltage, single-ended 64504 150 W 230 V

OSRAM Halogen lamps, medium/high voltage, single-ended 64504 150 W 230 V Halogen lamps, medium/high voltage, single-ended : Length: 62 mm • Width: 18 mm • Height: 18 mm • Diameter:...

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OSRAM Halogenlampen, Mittel-/Hochspannung, einseitig gesockelt 64540 650 W 240 V

OSRAM Halogen lamps, medium/high voltage, single-ended 64540 650 W 240 V

OSRAM Halogen lamps, medium/high voltage, single-ended 64540 650 W 240 V Halogen lamps, medium/high voltage, single-ended : Length: 57,50 mm • Width: 24 mm • Height: 24 mm...

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OSRAM Halogenlampen mit Reflektor, stromgesteuert, 62...105 W 64339 AC 105-10

OSRAM Halogen lamps with reflector, current-controlled, 62…105 W 64339 AC 105-10

OSRAM Halogen lamps with reflector, current-controlled, 62…105 W 64339 AC 105-10 Halogen lamps with reflector, current-controlled, 62…105 W : Length: 48 mm • Width: 50,20 mm...

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OSRAM Halogenlampen, stromgesteuert, einseitig gesockelt 64346

OSRAM Halogen lamps, current-controlled, single-ended 64346

OSRAM Halogen lamps, current-controlled, single-ended 64346 Halogen lamps, current-controlled, single-ended : Length: 47 mm • Width: 13,50 mm • Height: 13,50 mm • Diameter: 13,5 mm...

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OSRAM Halogenlampen mit Reflektor, stromgesteuert, 30...40 W 64333 B 40-15

OSRAM Halogen lamps with reflector, current-controlled, 30…40 W 64333 B 40-15

OSRAM Halogen lamps with reflector, current-controlled, 30…40 W 64333 B 40-15 Halogen lamps with reflector, current-controlled, 30…40 W : Length: 35 mm • Width: 35,30 mm...

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OSRAM Halogenlampen, stromgesteuert, einseitig gesockelt 64311

OSRAM Halogen lamps, current-controlled, single-ended 64311

OSRAM Halogen lamps, current-controlled, single-ended 64311 Halogen lamps, current-controlled, single-ended : Length: 47 mm • Width: 11 mm • Height: 11 mm • Diameter: 11,0 mm...

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OSRAM Halogenlampen, stromgesteuert mit PK30d-Sockel 64317 C 45-15

OSRAM Halogen lamps, current-controlled with PK30d base 64317 C 45-15

OSRAM Halogen lamps, current-controlled with PK30d base 64317 C 45-15 Halogen lamps, current-controlled with PK30d base : Length: 56 mm • Width: 13,50 mm • Height: 13,50 mm...

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OSRAM Halogenlampen, stromgesteuert mit PK30d-Sockel 64318 A 45-15

OSRAM Halogen lamps, current-controlled with PK30d base 64318 A 45-15

OSRAM Halogen lamps, current-controlled with PK30d base 64318 A 45-15 Halogen lamps, current-controlled with PK30d base : Length: 50 mm • Width: 13,50 mm • Height: 13,50 mm...

€18.00 *

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OSRAM Halogenlampen mit Reflektor, stromgesteuert, 45...48 W 64337 B 48-15

OSRAM Halogen lamps with reflector, current-controlled, 45…48 W 64337 B 48-15

OSRAM Halogen lamps with reflector, current-controlled, 45…48 W 64337 B 48-15 Halogen lamps with reflector, current-controlled, 45…48 W : Length: 45 mm • Width: 50,20 mm...

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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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