Philips MSR 575/2 10H - GX9.5 Metal Halide Lamp (575 W, 6,990 K, 47,000 lm, 1,000 h)
The Philips MSR 575/2 10H is a single-ended GX9.5 metal halide discharge lamp designed for professional entertainment lighting fixtures (moving heads, profile lights, color changers , and effects projectors). The single-ended MSR series is characterized by its optimal light gathering and crisp beam thanks to its short 7 mm arc . It offers 47,000 lm of luminous flux and a color temperature of 6,990 K with a CRI of 73 , resulting in daylight whites and consistent colors on stage and in front of the camera. It is a non-dimmable, universal-position lamp with an average lifespan of 1,000 hours . Its compact dimensions— 125 mm overall length , 65 mm LCL , and 30 mm diameter —facilitate replacement in a wide range of 575 W fixtures based on the GX9.5 base.
Main features
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Power: 575 W
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Bushing: GX9.5 (single bushing)
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Luminous flux: 47,000 lm
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Color temperature (CCT): 6,990K
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Color Rendering Index (CRI): 73
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Luminous efficacy (rated): 82 lm/W (minimum: 75 lm/W)
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Arc light: 7 mm
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Lamp current (nominal): 6.75 A
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Operating position: Universal
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Regulation: No (not dimmable)
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Dimensions: total length 125 mm; LCL 65 mm; diameter 30 mm
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Net weight (piece): 0.057 kg
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Ignition: cold strike (no hot restart)
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Minimum ignition voltage: 207 V
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Maximum operating temperatures: bulb 700 °C; clamp 350 °C
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Standard packaging: 1 unit per inner box; 4 units per outer box
Product benefits
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Powerful and defined beam: the short arc improves useful intensity and contrast in gobos and cutouts.
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Stable “daytime” color: CCT close to 7,000 K and CRI 73 for vivid color mixtures and natural appearance on camera.
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Versatile installation: GX9.5 socket and universal position compatible with numerous 575W luminaires.
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Controlled operating costs: 1,000 hours average lifespan to space out replacements and reduce downtime.
Compatibility and documented examples
The MSR 575/2 is commonly used in 575W equipment with a GX9.5 base. Examples:
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Martin MAC 600 / MAC 600 NT: manual: compatible with Philips MSR-575/2 (recommended lamps for the unit).
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Robe ColorSpot 575 AT: Product sheet: Approved model Philips MSR 575/2 .
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High End Systems Studio Spot / Studio Color 575: documentation: Philips MSR 575/2 lamp option.
Always check your light fixture manual to confirm the exact part number, ballast/igniter, and dimensions (LCL/thermal space).
Use cases
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575W moving heads and scanners: high contrast effects and CMY mixing.
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Theater and events: projection of gobos, color and daylight accents.
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Studio/set: cool fills and high-intensity effects with good color stability.
Frequently Asked Questions
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Is it dimmable? No. The MSR 575/2 are non-dimmable discharge lamps; use the specified auxiliary equipment.
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Does it allow hot restarts? No, it's a cold strike . It must cool down before restarting.
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Working orientation? Universal: can be installed in any position.
Project description
Philips MSR 575/2 10H lamp, GX9.5 socket, 575 W , 47,000 lm , 6,990 K , CRI 73 , 82 lm/W (min. 75 lm/W), 7 mm arc , 6.75 A current , non-dimmable , cold strike , universal position; dimensions: OAL 125 mm , LCL 65 mm , Ø 30 mm ; weight 0.057 kg ; packaging 1CT/4 .
