What is the rule of thumb for downlights?

The standard rule of thumb for downlight spacing is to install one fixture per square metre of floor area for general illumination, with approximately one metre spacing between adjacent downlights and half a metre distance from walls. However, professional event applications require more nuanced calculations based on beam angle, mounting height, and desired lux levels. For stage lighting, You typically need 800-1200 lux at performer level, which might require higher-output fixtures or closer spacing. Always account for ceiling height – as mounting distance increases, You need either more powerful fixtures or tighter spacing to maintain adequate illumination. For truss-mounted installations, calculate coverage based on the beam angle at Your specific mounting height, and overlap beams by approximately 30% to avoid dark spots between fixtures.

Do you need an electrician to change downlights?

In professional event installations, qualified electricians or certified event technicians must perform all electrical work involving mains voltage connections. Whilst replacing a GU10 lamp in a non-integrated downlight is straightforward and doesn't require electrical qualifications, any work involving wiring, driver replacement, or fixture installation must comply with local electrical regulations and venue safety requirements. For touring productions and temporary installations, the person performing electrical work should hold relevant qualifications and work under DGUV Vorschrift 17 guidelines. Integrated LED downlights where the light source is permanently built into the fixture require complete fixture replacement when the LED fails, which constitutes electrical work requiring qualified personnel. Always verify Your venue's specific requirements – many professional spaces mandate that only their approved contractors perform electrical modifications.

What are the best downlights to buy?

The best professional downlights for event technology depend on Your specific application requirements rather than a single "best" model. For DMX-controlled stage applications, fixtures from manufacturers like Cameo and Showtec offer excellent reliability and feature sets, with prices ranging from £150-£400 for quality DMX-controllable units. For architectural integration in permanent venues, Osram, Philips, and SLV produce robust fixtures with consistent colour rendering (CRI 90+) and long-term reliability. Key selection criteria include: lumen output matching Your coverage requirements (1000-3000 lumens for most event applications), appropriate beam angle (15-60° depending on mounting height), flicker-free operation above 1200Hz for video work, and proper IP rating for Your environment (IP44+ for outdoor or high-humidity applications). Fire-rated models meeting EN 1365-2 standards are essential for permanent installations, whilst truss-mounted touring fixtures should prioritise robust die-cast construction.

What is the purpose of downlights?

Downlights in professional event technology serve multiple purposes beyond simple illumination. Their primary function is to provide focused, directional lighting that creates clean, shadow-controlled coverage without visible bulky fixtures disrupting the aesthetic. In stage applications, downlights deliver the foundational wash layer that ensures performers and presenters are properly lit for both live audiences and video capture. For corporate events, downlights provide the consistent, flicker-free illumination required for professional video production, typically delivering 800-1200 lux at stage level. In exhibition environments, downlights highlight products and displays with precise beam control, directing attention exactly where needed. The recessed or low-profile design maintains clean sightlines and modern aesthetics, whilst the fixed mounting position provides reliable, repeatable lighting that doesn't require constant adjustment. When integrated with DMX control systems, downlights become programmable elements that can shift colour temperature, dim smoothly, or create dynamic scenes synchronized with show cues.

How many downlights do I need for a stage setup?

Calculating the required number of downlights for a stage setup depends on stage dimensions, mounting height, desired lux levels, and fixture specifications. For a typical 4m × 6m presentation stage with 3-metre mounting height, You would need approximately 8-12 downlights producing 1500-2000 lumens each with 40-50° beam angles to achieve 800-1000 lux coverage suitable for video production. The calculation involves determining the beam diameter at stage level (mounting height × tangent of half the beam angle × 2), then arranging fixtures to provide 30% beam overlap for even coverage. Higher mounting positions require either more powerful fixtures or increased fixture count. For theatrical applications with more dramatic lighting requirements, You might use fewer downlights at higher intensity for accent coverage rather than even wash. Always create a lighting plot that accounts for Your specific fixture specifications, mounting positions, and coverage requirements, and verify calculations with photometric software for critical installations.

What IP rating do I need for event downlights?

The required IP (Ingress Protection) rating for event downlights depends on the installation environment and exposure conditions. For indoor venues with controlled environments, IP20-rated downlights provide adequate protection against solid objects larger than 12.5mm and are suitable for most stage and conference applications. When working in environments with atmospheric effects like fog or haze machines, IP44-rated fixtures offer protection against water splashing from any direction and prevent moisture ingress that could damage electronics. Outdoor events or semi-outdoor structures require IP54 (dust-protected and splash-proof) or IP65 (dust-tight and protected against water jets) ratings to withstand weather exposure. For installations near pools, fountains, or in high-humidity environments, IP65 or higher is mandatory. Remember that higher IP ratings typically add cost and may affect thermal management, so specify the minimum rating that meets Your environmental requirements rather than automatically choosing the highest available protection level.

What are fire-rated downlights and when are they required?

Fire-rated downlights are fixtures designed to maintain the fire-resistance integrity of a ceiling when a hole is cut for recessed installation. They incorporate intumescent materials that expand when exposed to heat (typically at temperatures above 150°C), sealing the ceiling penetration and preventing fire and smoke from spreading between floors. Fire-rated downlights are certified to maintain this barrier for specific durations – commonly 30, 60, or 90 minutes – as tested to EN 1365-2 standards. In professional event technology, fire-rated downlights are mandatory in permanent installations within buildings where ceiling fire ratings must be maintained, including theatres, conference centres, and corporate venues. Temporary structures may also require fire-rated fixtures depending on local regulations and venue requirements. When installing downlights in false ceilings or suspended structures, verify whether fire rating is required – the modest cost premium (typically 20-40% over non-rated fixtures) is insignificant compared to the liability and safety risks of non-compliant installations.

Can I control downlights with DMX for dynamic lighting effects?

Yes, DMX-controllable downlights enable dynamic lighting effects and programmable scenes essential for professional event production. DMX (Digital Multiplex) is the industry-standard protocol for controlling stage lighting, allowing You to adjust intensity, colour temperature (in tunable white models), or full RGB/RGBW colour mixing from a lighting console. Basic DMX downlights use one channel for dimming, whilst tunable white fixtures require two channels (intensity and colour temperature), and RGBW colour-mixing units demand four or five channels. When designing a DMX-controlled downlight system, plan Your channel allocation carefully – a 512-channel DMX universe fills quickly when controlling dozens of fixtures. Professional DMX downlights incorporate RDM (Remote Device Management) capability, allowing remote addressing and configuration through the lighting console rather than manually setting DIP switches on each fixture. For installation, use proper DMX512-compliant cabling with 5-pin XLR connections and 120-ohm termination, or specify wireless DMX systems with frequency-hopping technology for reliable cable-free control in temporary installations.

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Downlights

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SLV HORN GU10 Downlight, rund, mattschwarz, max. 50W

SLV HORN 1 recessed fitting, QPAR51, single-headed, round, matt black, max. 50W, incl. clip springs

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SLV HORN-T, recessed fitting, QPAR51, round, matt white, tiltable, max. 50W, incl. clip springs

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SLV KADUX 2 Einbauleuchte, QPAR51, max. 100W, schwarz matt

SLV KADUX 2 recessed fitting, double-headed, QPAR51, rectangular, matt black, max. 100W, incl.

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KADUX 1 GU10 Downlight, eckig, mattschwarz, max. 50W

SLV KADUX, recessed fitting, single-headed, QPAR51, square, matt black, max. 50W, incl. clip springs

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SLV UNIVERSAL DOWNLIGHT Abdeckung, für Downlight IP20, schwenkbar, rund, weiss

SLV UNIVERSAL DOWNLIGHT Cover, for Downlight IP20, pivoting, round, white

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SLV HORN GU10, Deckeneinbauleuchte weiß 25W blower door getestet

SLV HORN GU10, white recessed ceiling light, 25W blower door tested

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ISOLED LED Downlight Reflektor 9W, 60°, 150lm/W, UGR

ISOLED LED downlight reflector 9W, 60°, 150lm/W, UGR

ISOLED LED downlight reflector 9W, 60°, 150lm/W, UGR : Length: 145 mm • Height: 55 mm • Diameter: 118 mm • Net weight: 400 g • Nominal voltage: 240 V • Nominal power:...

€57.69 *

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ISOLED LED Downlight Reflektor 12W, 60°, 150lm/W, UGR

ISOLED LED downlight reflector 12W, 60°, 150lm/W, UGR

ISOLED LED downlight reflector 12W, 60°, 150lm/W, UGR : Length: 190 mm • Height: 61 mm • Diameter: 158 mm • Net weight: 525 g • Nominal voltage: 240 V • Nominal power:...

€69.24 *

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ISOLED LED Downlight Reflektor 18W, 60°, 150lm/W, UGR

ISOLED LED downlight reflector 18W, 60°, 150lm/W, UGR

ISOLED LED downlight reflector 18W, 60°, 150lm/W, UGR : Length: 228 mm • Height: 61 mm • Diameter: 199 mm • Net weight: 696 g • Nominal voltage: 240 V • Nominal power:...

€85.85 *

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ISOLED LED Shop-Downlight Box, 32W, ausschwenkbar, weiß, ColorSwitch 3000|4000|6000K, dimmbar

ISOLED LED Shop-Downlight Box, 32W, swing out, white, Colorswitch 3000|4000|6000K, dimmable

ISOLED LED Shop-Downlight Box, 32W, swing out, white, Colorswitch 3000|4000|6000K, dimmable : Length: 235 mm • Width: 145 mm • Height: 120 mm • Installation depth: 115 • Net...

€144.33 *

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SLV Set bestehend aus 12x 1007095 UNIVERSAL DOWNLIGHT PHASE IP65 38° und 1007097 UNIVERSAL

SLV Set consisting of 12x 1007095 UNIVERSAL DOWNLIGHT PHASE IP65 38° and 1007096 UNIVERSAL

The UNIVERSAL DOWNLIGHT Multipack contains 12 of the UNIVERSAL DOWNLIGHT PHASE recessed lights with matching covers in white. An all-round carefree package that makes planning even easier with our...

€309.75 *

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SLV Set bestehend aus 12x 1007090 UNIVERSAL DOWNLIGHT MOVE PHASE, IP20 38° und 1007091 UNIVERSAL

SLV Set consisting of 12x 1007090 UNIVERSAL DOWNLIGHT MOVE PHASE IP20 38° and 1007091 UNIVERSAL

The UNIVERSAL DOWNLIGHT Multipack contains 12 of the UNIVERSAL DOWNLIGHT MOVE PHASE recessed lights with matching covers in black. An all-round carefree package that makes planning even easier with...

€315.00 *

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SLV Set bestehend aus 12x 1007090 UNIVERSAL DOWNLIGHT MOVE PHASE, IP20 38° und 1007092 UNIVERSAL

SLV Set consisting of 12x 1007090 UNIVERSAL DOWNLIGHT MOVE PHASE IP20 38° and 1007092 UNIVERSAL

The UNIVERSAL DOWNLIGHT Multipack contains 12 of the UNIVERSAL DOWNLIGHT MOVE PHASE recessed lights with matching covers in white. An all-round carefree package that makes planning even easier with...

€245.00 *

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SLV NEW TRIA®, LED-Modul, rund, 2700K, 38°, PHASE, schwarz

SLV NEW TRIA®, LED module, round, 2700K, 38°, PHASE, black

Discover the new generation of our NEW TRIA® recessed ceiling light and configure an individual lighting experience. The 12W LED MODULE is a modular element and fits the New Tria 95 recessed...

€83.13 *

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SLV NEW TRIA®, LED-Modul, rund, 3000K, 38°, PHASE, schwarz

SLV NEW TRIA®, LED module, round, 3000K, 38°, PHASE, black

Discover the new generation of our NEW TRIA® recessed ceiling light and configure an individual lighting experience. The 12W LED MODULE is a modular element and fits the New Tria 95 recessed...

€83.13 *

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SLV NEW TRIA®, LED-Modul, rund, 2700K, 60°, PHASE, schwarz

SLV NEW TRIA®, LED module, round, 2700K, 60°, PHASE, black

Discover the new generation of our NEW TRIA® recessed ceiling light and configure an individual lighting experience. The 12W LED MODULE is a modular element and fits the New Tria 95 recessed...

€83.13 *

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SLV NEW TRIA®, LED-Modul, rund, 3000K, 60°, PHASE, schwarz

SLV NEW TRIA®, LED module, round, 3000K, 60°, PHASE, black

Discover the new generation of our NEW TRIA® recessed ceiling light and configure an individual lighting experience. The 12W LED MODULE is a modular element and fits the New Tria 95 recessed...

€83.13 *

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SLV NEW TRIA®, LED-Modul, 3000K, 38°, PHASE, schwarz

SLV NEW TRIA®, LED module, 3000K, 38°, PHASE, black

Discover the new generation of our NEW TRIA® recessed ceiling light and configure an individual lighting experience. A modular element is the 7W LED MODULE, which is available with different...

€39.38 *

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Delivery time: 3-5 days

Delivery time: 3-5 days

SLV NEW TRIA®, LED-Modul, 3000K, 60°, PHASE, schwarz

SLV NEW TRIA®, LED module, 3000K, 60°, PHASE, black

Discover the new generation of our NEW TRIA® recessed ceiling light and configure an individual lighting experience. A modular element is the 7W LED MODULE, which is available with different...

€39.38 *

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Delivery time: 3-5 days

Delivery time: 3-5 days

SLV NEW TRIA®, LED-Modul, rund, 1800-3000K, 38°, PHASE, schwarz

SLV NEW TRIA®, LED module, round, 1800-3000K, 38°, PHASE, black

Discover the new generation of our NEW TRIA® recessed ceiling light and configure an individual lighting experience. A modular element is the LED MODULE, which is available with dim-to-warm...

€49.00 *

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Delivery time: 3-5 days

SLV NEW TRIA®, LED-Modul, rund, 1800-3000K, 60°, PHASE, schwarz

SLV NEW TRIA®, LED module, round, 1800-3000K, 60°, PHASE, black

Discover the new generation of our NEW TRIA® recessed ceiling light and configure an individual lighting experience. A modular element is the LED MODULE, which is available with dim-to-warm...

€49.00 *

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Delivery time: 3-5 days

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SLV NEW TRIA®, LED-Modul, 2700K, 38°, PHASE, schwarz

SLV NEW TRIA®, LED module, 2700K, 38°, PHASE, black

Discover the new generation of our NEW TRIA® recessed ceiling light and configure an individual lighting experience. A modular element is the 7W LED MODULE, which is available with different...

€39.38 *

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Availability:

Delivery time: 3-5 days

Delivery time: 3-5 days

SLV NEW TRIA®, LED-Modul, 2700K, 60°, PHASE, schwarz

SLV NEW TRIA®, LED module, 2700K, 60°, PHASE, black

Discover the new generation of our NEW TRIA® recessed ceiling light and configure an individual lighting experience. A modular element is the 7W LED MODULE, which is available with different...

€39.38 *

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Availability:

Delivery time: 3-5 days

Delivery time: 3-5 days

SLV NEW TRIA® UNIVERSAL, LED-Modul, 2500/3000/4000K, 38°, PHASE, schwarz

SLV NEW TRIA® UNIVERSAL, LED module, 2500/3000/4000K, 38°, PHASE, black

Discover the new generation of our NEW TRIA® recessed ceiling light and configure an individual lighting experience. A modular element is the multi-wattage LED MODULE, which is variably...

€66.50 *

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SLV NEW TRIA® UNIVERSAL, LED-Modul, 2500/3000/4000K, 60°, PHASE, schwarz

SLV NEW TRIA® UNIVERSAL, LED module, 2500/3000/4000K, 60°, PHASE, black

Discover the new generation of our NEW TRIA® recessed ceiling light and configure an individual lighting experience. A modular element is the multi-wattage LED MODULE, which is variably...

€66.50 *

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Delivery time: 3-5 days

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LEDVANCE DOWNLIGHT OBERFLÄCHE IP65 DN 160 P 30W 840 60D WT

LEDVANCE DOWNLIGHT SURFACE IP65 DN 160 P 30W 840 60D WT

Surface-mounted downlights with IP65 grade. Product features: Impact resistance: IK06 • Push wire terminal for tool-free connection • Through wiring possible • Type of protection:...

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€136.50 *

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LEDVANCE SPOT FIX 8W 940 PS DIM IP44 WT

Recessed mounted spotlight for indoor use, fixed. Product features: Color rendering index Ra: 90 • Type of protection: IP44 (room side) • Beam angle: 36° • Die-cast aluminum...

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€34.03 *

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SLV DOWNLIGHT V 100, 6W 830/840 IP54

Discover our new technical product range: SLVtec.With state-of-the-art LED technology, we offer energy-efficient and functional lighting solutions for indoor and outdoor use. From wet room lights...

€39.38 *

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SLV DOWNLIGHT V 150, 9/15W 830/840 IP54

Discover our new technical product range: SLVtec.With state-of-the-art LED technology, we offer energy-efficient and functional lighting solutions for indoor and outdoor use. From wet room lights...

€46.38 *

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SLV DOWNLIGHT V 200, 15/21W 830/840 IP54

Discover our new technical product range: SLVtec.With state-of-the-art LED technology, we offer energy-efficient and functional lighting solutions for indoor and outdoor use. From wet room lights...

€52.50 *

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Facts

Professional Downlights for Stage and Event Technology: Downlights represent a cornerstone of modern stage and event lighting design, offering focused illumination that transforms venues into professional performance spaces. At LTT, You'll find a comprehensive selection of professional downlights engineered specifically for the demanding requirements of event technology, from intimate theatre productions to large-scale corporate events. Our... Read more »

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