Philips MASTERColour CDM-R Elite 73W 942 E27 PAR30L | Best Colour Rendering - Extra Warm White

By purchasing the quantity recommended, your products will come as packaged by the manufacturer.

EU guidelines dictate energy labels on electronic products to represent the energy efficiency of the device. This is indicated in levels (A++ to E), with A++ being the most efficient and E the least efficient.

The cap/base of a bulb is the part that connects it to the socket in the fixture. In the UK, B22 (Bayonet) caps/bases are still the most popular, although E27 (Edison screw) caps/bases are becoming increasingly popular. GU10 is the most common cap/base for spotlights. Check which cap/base you need carefully as many other types are also available.

The colour temperature refers to the colour produced by a light. It's measured in Kelvin (K) and ranges from warm white (1700K - 3000K) to daylight white (6500K). Neutral white (3100K - 5000K) is mainly used for general lighting applications.

The colour code is a combination of the colour rendering index (CRI) and the colour temperature (K). The first number refers to the CRI (1 = very poor colour rendering, 9 = maximum accuracy). The second and third numbers refer to the colour temperature. For example, a light with a colour code of 830 has very good colour rendering and produces a warm white light.

The colour rendering index (CRI) indicates how accurately colours are represented under a beam of light. The index goes from 1 to 99, with a CRI of 1 being the poorest and a CRI of 99 being the best possible. Be careful not to confuse colour rendering with colour temperature (K).

Lumen (lm) is the term used to describe the total amount of visible light emitted by a light source. The higher the number of lumens, the brighter it is.

The beam angle indicates the spread of the light in degrees. Small beam angles are preferred for accent lighting, while larger beam angles are for general lighting purposes.

Ballast is a term that designates a device to reduce the electrical current, it allows for example to power your source in 12V with a native voltage of 220V. There are two types of ballasts: ferromagnetic (or conventional) ballast and electronic ballast. The ferromagnetic ballast requires a starter made unnecessary for an electronic ballast.