Completely lead-free lamps with tubular outer bulb

Ceramic discharge tube with new Active Philips Integrated Antenna (APIA) for up to 6 years service lifetime (Xtra)

Robust construction with few welding points is highly vibration- and shock-resistant, further reducing early failures and extending lamp life

"Plus" concept with high efficacy for high light output

Special versions of the 250W and 400W lamps of the MASTER SON(-T) APIA Plus Xtra range are compatible with electronic gear using HF operation of the lamps. HF Control gear requirements (LDi guideline) and lamp performance specifications on HF ballasts can be obtained from the local Philips representative