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 MSD Platinum 11 R 1CT/8 Studio Lamp 250W 55-80V Metal Halide

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

PHILIPS MSR Gold 400 MiniFastFit 1CT/16 400W 6700K 26000lm PGJX28 dim 198V The high-performance MSR Gold™ MiniFastFit metal halide discharge lamp features a very compact design and can be...

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PHILIPS MSR Gold 700 MiniFastFit 1CT/16 49000lm 6000K PGJX28 dim discharge lamp

PHILIPS MSR Gold 700 MiniFastFit 1CT/16 49000lm 6000K PGJX28 dim Entladungslampe The high-performance MSR Gold™ MiniFastFit metal halide discharge lamp features a very compact design and can...

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PHILIPS MSD Platinum 16 R 1CT/8 Studio Lamp 330W MSD

PHILIPS MSD Platinum 16 R 1CT/8 Studiolampe 330W MSD MSD Platinum lamps open up new creative possibilities in entertainment lighting with powerful, compact, and brilliantly intense light. Their...

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PHILIPS MSD Platinum 14 R 1CT/8 Studio Lamp 280W MSD

PHILIPS MSD Platinum 14 R 1CT/8 Studiolampe 280W MSD MSD Platinum lamps open up new creative possibilities in entertainment lighting with powerful, compact, and brilliantly intense light. Their...

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PHILIPS MSD Platinum 20 R 1CT/8 Studio Lamp 470W MSD Platinum 85-110V

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PHILIPS MSR Gold 700/1 MiniFastFit 1CT/4 700W 5700K 53400lm dim PGJX28 198V

PHILIPS MSR Gold 700/1 MiniFastFit 1CT/4 700W 5700K 53400lm dim PGJX28 198V The high-performance MSR Gold™ MiniFastFit metal halide discharge lamp features a very compact design and can be...

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PHILIPS MSD Platinum 2 R 1CT/8 Studio Lamp 132W MSD

PHILIPS MSD Platinum 2 R 1CT/8 Studiolampe 132W MSD MSD Platinum lamps open up new dimensions of creative freedom in entertainment lighting, with powerful, compact, and brilliantly intense light....

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PHILIPS MSD Platinum 21 R 1CT/8 Studio lamp 470W Metal halide Any

PHILIPS MSD Platinum 21 R 1CT/8 Studiolampe 470W Metallhalog beliebig MSD Platinum lamps open up new creative possibilities in entertainment lighting with powerful, compact, and brilliantly intense...

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PHILIPS MSR Gold 700/2 MiniFastFit 1CT/4 700W 7200K 47000lm dim PGJX28 198V

PHILIPS MSR Gold 700/2 MiniFastFit 1CT/4 700W 7200K 47000lm dim PGJX28 198V The high-performance MSR Gold™ MiniFastFit metal halide discharge lamp features a very compact design and can be...

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PHILIPS MSD Platinum 20 RB 1CT/8 Studio Lamp 470W MSD Platinum 85-110V

PHILIPS MSD Platinum 20 RB 1CT/8 Studiolampe 470W MSD Platinum 85-110V MSD Platinum lamps open up new creative possibilities in entertainment lighting with powerful, compact, and brilliantly...

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PHILIPS MSD Platinum 200 Flex 1CT/8 Studio Lamp 240W MSD Platinum 55V

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PHILIPS MSD Platinum 25 R 1CT/8 Studio Lamp 550W MSD Platinum 85-115V

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PHILIPS MSD Platinum 400L Flex 1CT/8 24500lm 8000K dim 85-110V

PHILIPS MSD Platinum 400L Flex 1CT/8 24500lm 8000K dim 85-110V MSD Platinum lamps open up new creative possibilities in entertainment lighting with powerful, compact, and brilliantly intense light....

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PHILIPS MAS LEDspotLV DimTone 5.8-35W MR16 36D 345lm 2200-2700K GU5.3 MR16 36° DimTone

PHILIPS MAS LEDspotLV DimTone 5.8-35W MR16 36D 345lm 2200-2700K GU5,3 MR16 36° DimTone Replace your old low-voltage halogen reflector lamps and save money. With their compact dimensions, MASTER...

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PHILIPS CorePro LEDspot 4.4-35W MR16 827 36D 5CT 345lm 2700K GU5.3 MR16 36° 5-pack

PHILIPS CorePro LEDspot 4.4-35W MR16 827 36D 5CT 345lm 2700K GU5,3 MR16 36° 5er Multipack CorePro LED spots are perfect for accent lighting and emit a warm light comparable to halogen lamps....

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PHILIPS MAS LED ExpertColor 6.7-35W MR16 940 24D 490lm 4000K GU5.3 MR16 24° dim NV-Refl.

PHILIPS MAS LED ExpertColor 6.7-35W MR16 940 24D 490lm 4000K GU5,3 MR16 24° dim NV-Refl. MASTER LEDspot LV ExpertColor creates a warm and comfortable atmosphere in hospitality, homes, and...

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PHILIPS MAS LED ExpertColor 6.7-35W MR16 927 36D 450lm 2700K GU5.3 MR16 36° dim NV-Refl.

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PHILIPS MAS LED ExpertColor 6.7-35W MR16 940 36D 490lm 4000K GU5.3 MR16 36° dim NV-Refl.

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PHILIPS MAS LED ExpertColor 7.5-43W MR16 927 36D 520lm 2700K GU5.3 MR16 36° dim NV-Refl.

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PHILIPS 7027 50W G6.35 12V 1CT/10X10F

PHILIPS 7027 50W G6.35 12V 1CT/10X10F Halogen lamps create a cozy, warm white light and maintain their light output throughout their entire service life. They are also easy to install, replace, and...

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PHILIPS 7158 150W G6.35 24V 1CT/10X10F

PHILIPS 7158 150W G6.35 24V 1CT/10X10F Halogen lamps create a cozy, warm white light and maintain their light output throughout their entire service life. They are also easy to install, replace,...

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PHILIPS 13164 200W GX5.3 24V 1CT/24 GX5.3, 24V NV halogen lamp 200W

PHILIPS 13164 200W GX5.3 24V 1CT/24 GX5.3, 24V NV-Halogenlampe 200W Philips halogen reflector lamps offer the ideal solution for a wide range of medical, scientific, and projection lighting...

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PHILIPS 7748XHP EHJ-S 250W G6.35 24V G6.35, 24V Projection Lamp 250W

PHILIPS 7748XHP EHJ-S 250W G6.35 24V G6,35, 24V Projektionslampe 250W Halogen lamps create a cozy, warm white light and maintain their light output throughout their entire service life. They are...

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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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