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OSRAM HSD 250W arc bulb GY9.5 base clear finish

OSRAM SYLVANIA

OSRAM SYLVANIA HSD 250W /80 4ARXS GY9.5 arc bulb

SKU CH-TR6N-W8RS9

250 W metal-halide arc bulb delivers 17 000 lumens at 8 000 K with CRI 85 and 3 000-hour life

  • Power rating250
  • Light output17000
  • Color temperature8000K
  • Lifespan (hours)3000
  • Color rendering85
  • Product typeHigh Intensity Discharge
  • Crisp 8000 K daylight colour for stage accuracy
  • 17 000 lumen output from 250 W arc discharge
  • 85 CRI renders costumes and sets faithfully
  • GY9.5 base fits standard follow-spot fixtures
  • 3 000 hour rated life reduces relamp frequency

250W HSD arc bulb for professional lighting

The OSRAM SYLVANIA HSD 250W /80 4ARXS GY9.5 is a new high-intensity discharge lamp rated at 250 watts. It delivers a lumen output of 17000 with a colour temperature of 8000K and a colour rendering index of 85. The lamp is designed for stage, architectural and event lighting applications.

Suits venues needing high-output daylight simulation

This lamp suits users who require crisp daylight colour temperatures between 5600K and 7800K for large-scale architectural or stage setups. It is not for buyers who need a longer operational life than the rated 3000 hours or those seeking a lower wattage option for smaller fixtures.

Single-ended design with outer jacket for handling

The single-ended construction includes an outer jacket that simplifies installation and handling during maintenance. This mechanical feature supports safer lamp changes in professional environments without altering the electrical or photometric performance of the arc source.

How it compares

Measured against everything we stock in General-Purpose & Specialty Bulbs, at today’s prices. Recalculated every night.

Price $119.99
Pricier than about 90% of the 1,791 comparable items (median $17.99).

Specifications

Product
Brand nameOSRAM
Product typeHigh Intensity Discharge
Display
Light output17000
Power
Power rating250
More details
Color temperature8000K
Lifespan (hours)3000
Color rendering85

Questions about this item

What ballast and fixture with a GY9.5 socket does this 250W arc lamp require?

It needs a 250W metal halide ballast and a fixture that accepts a GY9.5 base to supply the correct starting voltage and operating current.

Will the 8000K output of this lamp match older 5600K to 7800K metal halide units in the same rig?

The 8000K colour temperature is cooler than the 5600K to 7800K range of earlier HSD lamps, so a visible colour shift will appear when they run together.

How can I confirm the lamp is delivering its rated 17000 lumens after installation?

Measure illuminance at a known distance with a calibrated lux meter and compare the reading to the expected value for 17000 lumens in your optic.

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