
TUBE SM
TUBE SM is an award-winning architectural luminaire featuring DARKON's proprietary dual-diffuser technology and a completely homogeneous 69mm diameter illuminated tube. Recognised by the (IES) for its world-first ability to deliver both upward and downward illumination from a single downward-facing row of LEDs, it remains one of DARKON's most innovative lighting solutions. A unique curved mounting box with integral control gear allows continuous lengths of up to 3 metres to be supported from a single fixing point, creating a striking cantilevered floating effect. Equally suited to ceiling or wall mounting, TUBE SM combines seamless illumination, minimalist design and exceptional architectural presence.
Design Features
L70 / B10 @ 100,000 hours @ 350mA/ 40°C TA
Screwless Endcaps
Dot free homogeneous illumination
Small colour tolerance Macadam 3
L90 / B10 @ 50,000 hours @ 350mA /40°C TA
Zhaga compliant
80+ or 90+ colour rendering
High exit lumens per watt
Multiple fixed output options
Multiple Snap Fit Lens Options
Install Features
Australian made
Project specific labelling referencing type numbers
Supplied 100% pre-built
Detailed shop drawings
Plug and Play wire looms
Welded mitre joins eliminate light bleed
Snap fit gear tray with integrated driver
Recommended Applications
Designer Recommendations
Technical Details
Physical Dimensions
- Diameter
- 69mm
- System Length
- 600mm – 3100mm
- Weight
- 2.2kg/m
Construction & Mounting
- Shape
- Linear
- Mounting
- Surface Mounted
Optics
- Light Distribution
- Opal
Ratings & Compliance
- IP Rating
- IP22
- Warranty
- Product - 5 Years
- Product - 10 Years (Extended)
Overview
TUBE SM brings DARKON's award-winning TUBE optical technology into a distinctive surface-mounted architectural form. Recognised with an (IES) award for its groundbreaking optical innovation, TUBE was the first linear LED luminaire capable of producing both downward and upward illumination from a single downward-facing row of LEDs. At the heart of the system is DARKON's proprietary dual-diffuser technology. A concealed internal diffuser captures and redirects a portion of the light output back towards the upper section of the luminaire, where it is distributed through the feature 69mm diameter lens. This unique optical arrangement delivers beautifully balanced direct and indirect illumination while maintaining a completely homogeneous, dot-free appearance along the entire length of the fitting. The defining feature of TUBE SM is its purpose-designed curved mounting box, which mirrors the geometry of the illuminated tube to create a seamless architectural form. Unlike conventional surface-mounted luminaires that require multiple fixing points, TUBE SM can be supplied in continuous lengths of up to 3 metres supported by a single centrally located mounting box. This creates a dramatic cantilevered effect at both ends of the luminaire, giving the fitting the appearance of floating effortlessly from the ceiling or wall surface. The mounting box incorporates integral control gear, eliminating the need for remote drivers and simplifying installation. Combined with the concealed internal support structure, this allows the illuminated tube to remain the visual focus while maintaining an exceptionally clean architectural appearance. While commonly used as a ceiling-mounted luminaire, TUBE SM has also become a highly popular wall light. The combination of its seamless illuminated form, floating appearance and indirect/direct lighting effect makes it ideal for corridors, hospitality projects, workplace interiors and residential applications where designers are seeking a decorative architectural feature that also delivers practical illumination. The result is a highly distinctive architectural luminaire that combines award-winning innovation, seamless illumination and a striking floating form unlike anything else available in the architectural lighting market.

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