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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from 100 to 9200

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Osram Leuchtstofflampe E14 DULUX EL FCY 10W/827

Osram Leuchtstofflampe E14 220-240V DULUX EL FCY 10W/827

DULUX® EL FACILITY compact fluorescent lamp • Manufacturer Osram • Article description Fluorescent lamp • Type designation DULUXELFCY10W/827 • Manufacturer-ArtNo...

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Philips CDM-T 20W/830 G12

Cap-Base: G12 [ G12] • Operating Position: UNIVERSAL [ Any or Universal (U)] • Life to 5% Failures (Nom): 12000 h • Life to 10% Failures (Nom): 14000 h • Life to 20% Failures...

€27.10 *

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Philips MASTERColour CDM-T Elite G12 50W/930 5400lm

Cap-Base: G12 [ G12] • Operating Position: UNIVERSAL [ Any or Universal (U)] • Life to 5% Failures (Nom): 12000 h • Life to 10% Failures (Nom): 14000 h • Life to 20% Failures...

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LEDVANCE LED-Röhre T8 EM SUPERIOR 900 mm 9.7W 865

LEDVANCE LED tube T8 EM SUPERIOR 900 mm 9.7W 865

Energy savings of up to 71 % (compared to T8 fluorescent lamp). • Quick, simple and safe replacement with or without rewiring. • Highly versatile thanks to **selectable power/lumen...

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SLV LED driver 10 W 180-270 mA, PHASE

Phase-dimmable constant current driver, 10 W, with adjustable current via DIP: 180 mA/200 mA/250 mA/270 mA, with strain relief : Product name: LED Treiber • Colour: white • Material:...

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SLV LED driver, 150-200mA | 21W

LED driver constant current, adjustable current, 21W, 150 - 500mA, on/off. : Product name: LED Treiber 21W | 150-500mA • Colour: white • Material: Plastic PC • electrical power: 25.6...

€21.00 *

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SLV LED driver, 700-1050 mA, 44W

LED driver constant current, adjustable current, 44W, 700-1050mA, on/off. : Product name: LED Treiber 44W | 700-1050mA • Colour: white • Material: Plastic PC • electrical power: 50 W...

€29.75 *

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SLV Zugentlastung, durchverdrahtbar, für LED Treiber

SLV Strain relief, through-wirable, for LED driver

Strain relief for DALI dimmable driver, through-wirable. : Product name: LED Treiber • Colour: white • Material: Plastic PC • Length: 10.7 cm • Width: 5.64 cm • Height: 3...

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SLV TRAIL-LITE® 60, LED power supply, 12.6W

The new generation of TRAIL LITE 60 recessed floor and wall lights works with 24V DC and is ideal for decorative orientation lighting on terraces. Its robust design and IP68 rating means the light...

€42.88 *

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SLV LED driver, 21W, 200 mA, DALI

LED driver for NUMINOS® S, 21W, 200mA, on/off. : Product name: LED TREIBER • Colour: white • Material: Plastic PC • electrical power: 11.3 W • IP Code: IP20 • Shape:...

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SLV LED driver, 21W, 350 mA

LED driver for NUMINOS® M, 21W, 350mA, on/off. : Product name: LED TREIBER • Colour: white • Material: Plastic PC • electrical power: 18.1 W • IP Code: IP20 • Shape:...

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SLV LED driver, 21W, 500 mA

LED driver for NUMINOS® L, 21W, 500mA, on/off. : Product name: LED TREIBER • Colour: white • Material: Plastic PC • electrical power: 25.6 W • IP Code: IP20 • Shape:...

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SLV LED driver, 30W, 700 mA

LED driver for NUMINOS® XL, 30W, 700mA, on/off. : Product name: LED TREIBER • Colour: white • Material: Plastic PC • electrical power: 36.2 W • IP Code: IP20 • Shape:...

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SLV LED driver, 10W, 200 mA, PHASE

LED driver for NUMINOS® XS/S, 10W, 200mA, TRIAC dimming. : Product name: LED TREIBER • Colour: white • Material: Plastic PC • electrical power: 10 W • Dimmable: Yes...

€25.38 *

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SLV LED driver, 36W, 500 mA, DALI

LED driver for NUMINOS® L, 21W, 500mA, DALI dimming. : Product name: LED TREIBER • Colour: white • Material: Plastic PC • electrical power: 29 W • Dimmable: Yes...

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SLV LED driver, 36W, 700 mA, DALI

LED driver for NUMINOS® XL, 30W, 700mA, DALI dimming. : Product name: LED TREIBER • Colour: white • Material: Plastic PC • electrical power: 39.7 W • Dimmable: Yes...

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LEDVANCE LED TREIBER DR DALI-P-30/220-240/700 20X1 LEDV

LEDVANCE LED DRIVER DALI PERFORMANCE G2 -26/220-240/700

LEDVANCE DALI driver Compact constant current LED driver with DALI dimming interface. Product features: DALI-2 certified LED control gear (Digital Addressable Lighting Interface) • Output...

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OMNILUX PAR-30 230V SMD 11W E-27 LED 3000K

PAR-30 LED lamp Easy lamp replacement • Energy saving • Easy installation • Good color rendering index (CRI) • Nominal voltage (lamps): 230 V, AC • Rated power: 11 W...

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€9.90 *

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USHIO NSL 421 Reflector Discharge Lamp

Scope of delivery Voltage (lamps): 380 V, DC • Nominal wattage: 420 W • Base: Special • Lamp type: Mercury lamp; discharge lamp; high pressure lamp • Weight: 0.13 kg •

€159.00 *

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USHIO NSL 420 Reflector Discharge Lamp

Scope of delivery Voltage (lamps): 380 V, DC • Nominal wattage: 420 W • Base: Special • Lamp type: Mercury lamp; discharge lamp; high pressure lamp • Weight: 0.13 kg •

€159.00 *

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PHILIPS CorePro LEDspot 4.6-50W GU10 827 36D 5CT 355lm 2700K 36° NonDim 5-pack

PHILIPS CorePro LEDspot 4.6-50W GU10 827 36D 5CT 355lm 2700K 36° NonDim 5er Multipack Those who value pleasant lighting at an affordable price will appreciate the CorePro LEDspot range. CorePro...

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PHILIPS MAS LEDtube 1050mm 16W 830 T8 2300lm 3000K T8 G13 160° KVG/VVG NonDim

PHILIPS MAS LEDtube 1050mm 16W 830 T8 2300lm 3000K T8 G13 160° KVG/VVG NonDim The Philips MASTER LED tube for CCG/CCG/230V is the most sustainable alternative to conventional fluorescent tubes...

€27.85 *

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PHILIPS MAS LEDtube HF 900mm HE 11.5W 830 T5 LED tube G5 E 3000K 1600lm ECG dim

PHILIPS MAS LEDtube HF 900mm HE 11.5W 830 T5 LED-Röhre G5 E 3000K 1600lm EVG dim MASTER, LEDtube, T5, ECG, 900 mm, 11.5 W, LED alternative to 21W TL5 HE, 3000 K, 1700 lm, CRI 80, 60000...

€19.86 *

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PHILIPS MAS LEDtube HF 900mm HE 11.5W 840 T5 LED tube G5 D 4000K 1700lm ECG dim

PHILIPS MAS LEDtube HF 900mm HE 11.5W 840 T5 LED-Röhre G5 D 4000K 1700lm EVG dim MASTER, LEDtube, T5, ECG, 900 mm, 11.5 W, LED alternative to 21W TL5 HE, 4000 K, 1700 lm, CRI 80, 60000...

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111 From 143 pages

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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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