PHILIPS 50W Halotone ALR18 | 3000K Warm White | 25° Narrow Flood | BA15d

Philips 34091-9 (50ALR18/NFL25) is a premium 50-watt halogen reflector lamp designed for high-precision accent lighting. Part of the Halotone series, this 12V lamp features Aluminum Reflector (ALR) Technology, which ensures a crisp, clean 25° narrow flood beam while effectively managing heat by directing thermal energy forward. With a perfect 100 CRI and a 3000K warm white output, it delivers 820 lumens of studio-quality light that accurately renders colors and eliminates harsh hotspots. Its compact ALR18 profile and secure BA15d bayonet base make it a reliable choice for retail displays, galleries, and architectural highlighting where consistent color quality is essential.

Product Overview

The Philips Halotone ALR18 series is engineered for professional environments where light quality and beam control cannot be compromised. The integrated aluminum reflector is specifically shaped to minimize stray light, resulting in a well-defined beam pattern that draws the eye exactly where intended. With a 100 CRI, these lamps are ideal for lighting color-sensitive merchandise or artwork, ensuring that reds, blues, and skin tones appear vibrant and natural. The corrosion-resistant BA15d bayonet base provides a secure, "twist-and-turn" connection that prevents the lamp from loosening due to fixture vibration or thermal expansion.

• Precision Optics: The 25° narrow flood spread offers the perfect balance between a focused spot and a wide wash, ideal for highlighting medium-sized objects.
• High Luminous Efficacy: Delivers a powerful 820 lumens, providing bright, high-contrast illumination for professional displays.
• Superior Color Rendering: A CRI of 100 ensures the most accurate color representation possible in artificial lighting.
• Thermal Control: Aluminum reflector technology assists in managing heat dissipation, protecting fixture components and surrounding materials.

Technical Specifications

• Brand: Philips Halotone
• Order Code: 34091-9
• Model: 50ALR18/NFL25
• Wattage: 50W
• Voltage: 12V (Low Voltage)
• Base Type: BA15d (Candelabra Bayonet)
• Bulb Shape: ALR18
• Color Temperature: 3000K (Warm White)
• Color Rendering Index (CRI): 100
• Luminous Flux: 820 Initial Lumens
• Beam Spread: 25° Narrow Flood
• Rated Average Life: 2,000 Hours
• Dimensions: 56mm MOL x 56mm Diameter

Installation & Usage Notes

• Low Voltage Requirement: This lamp operates on a 12V system and requires a compatible step-down transformer for operation on standard 120V circuits.
• Fixture Compatibility: Designed for use in track lighting, recessed downlights, and specialized display fixtures. Optimal performance is achieved in enclosed or shielded luminaires.
• Secure Mounting: The BA15d base requires a simple push-and-twist motion; ensure the lamp is fully seated to prevent socket arcing.
• Safety: Always allow the lamp to cool completely before attempting replacement. Avoid touching the inner halogen capsule with bare hands.

Primary Applications

• Retail & Merchandising: Highlighting apparel, jewelry, and luxury goods in showrooms.
• Museums & Galleries: Focused accent lighting for sculptures and wall-mounted art.
• Hospitality: Elegant task lighting in restaurants, bars, and hotel lobbies.
• Residential: Decorative highlighting of architectural features and premium interior spaces.