Description
The Delta COB Series, manufactured by Lens Tech India Private Limited under the Makemake Lighting Solutions brand, is a high-performance architectural spotlight. While the “Creta” series is often the flagship for slim designs, the Delta model is recognized for its robust build and “High Lumens” output, making it the preferred choice for areas requiring intense, focused brightness.
## Product Description: Delta COB Series
The Delta series utilizes advanced Chip-on-Board (COB) technology to deliver a single, powerful beam of light without the “multiple shadow” effect of standard LEDs. It is specifically designed for high-end interiors where light quality and electrical safety are non-negotiable.
## Technical Specifications
| Feature | Details |
| Available Wattages | 7W, 12W, 18W |
| Luminous Efficacy | High Lumens (120–140 Lm/W) |
| LED Chip Type | Premium COB (Cree / Bridgelux or equivalent) |
| Driver Technology | HPF (High Power Factor) Isolated |
| Flicker Profile | 100% Flicker-Free (Protects against eye fatigue) |
| Housing Material | Heavy-duty Die-cast Aluminum |
| Beam Angle | 36° to 45° (Precision focus) |
| CRI (Color Rendering) | >80 Ra (Optional >90 for art/retail) |
## Premium Performance Features
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High Lumen LED Chips: Unlike standard COB lights, the Delta series uses high-efficiency chips that produce more light per watt ($120-140$ lumens per watt). This means an 18W Delta light can often outperform a standard 24W panel.
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HPF Isolated Driver: * High Power Factor ($>0.95$): Reduces energy waste and stabilizes the electrical load.
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Isolated Design: Provides a physical safety barrier between the high-voltage input and the LED output, preventing electric shocks and protecting the COB chip from voltage spikes.
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Flicker-Free Driver: Ideal for high-definition photography/videography and environments where people spend long hours (offices/studios), as it eliminates the invisible high-frequency strobing that causes headaches.
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Superior Thermal Management: The Delta housing features an integrated aluminum heat sink that ensures the LED chip stays cool, preventing the “dimming” effect that happens with cheaper plastic models over time.
## Comparison: Delta vs. Creta
While both use the same high-quality Lens Tech India drivers:
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Creta: Typically focuses on a slimmer, more aesthetic recessed look for modern homes.
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Delta: Often features a slightly more powerful heat-sink design, better suited for the 18W high-intensity requirements of commercial showrooms and double-height ceilings
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