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OSRAM SIRIUS HRI 330W X8 HID arc reflector bulb, compact silver finish

OSRAM

OSRAM 54738 SIRIUS HRI 330W X8 HID Bulb

SKU CH-9EYB-PR0X8

A 330W mercury short-arc HID bulb delivering 12800 lumens for compact moving-head fixtures with a 1500-hour life

  • TypeHigh Intensity Discharge
  • Lumen Range12800
  • Wattage330
  • Life Time Hours1500
  • High luminance from short arc and high pressure
  • Bright 12800 lumen output for brilliant effects
  • 1500 hour lifetime reduces replacement frequency
  • Compact reflector design fits lightweight moving heads
  • Operates in any position for flexible installation

Compact HID Lamp for Moving Heads

The OSRAM 54738 SIRIUS HRI 330W X8 is a mercury short-arc reflector bulb built for small and lightweight moving heads. Its compact design with integrated ECG suits fixtures where space and weight are tight. The lamp delivers 12800 lumens from a 330 watt discharge source. It is intended for stage and event lighting professionals who need high output in a minimal housing.

Thermal and Power Profile

The discharge arc runs at high pressure to produce a very short, bright arc that maintains stable output across the rated 1500 hour life. Operating position is unrestricted thanks to the optimized burner design. Power draw is fixed at 330 watts during steady-state operation. Heat is concentrated at the arc and reflector, so fixture ventilation must handle the thermal load.

Replacement Compatibility and Handling

The bulb is a direct replacement for the Philips MSD Platinum 16 R, simplifying inventory for rental houses and venues. Easy lamp replacement reduces service time between shows. No additional software or accessories are bundled; the product is the lamp itself. Buyers needing lower-wattage alternatives or LED-based moving-head engines should look elsewhere.

Highlights

  • High luminance from short arc and high pressure
  • Bright 12800 lumen output for brilliant effects
  • 1500 hour lifetime reduces replacement frequency
  • Compact reflector design fits lightweight moving heads
  • Operates in any position for flexible installation

Specifications

BrandOSRAM
TypeHigh Intensity Discharge
Lumen Range12800
Wattage330
Life Time Hours1500

Questions about this item

How do I install the OSRAM 54738 SIRIUS HRI 330W X8 in a moving head, and what step is often missed?

Insert the lamp into the fixture's reflector housing, secure the retaining clips, and connect the ECG leads; the step often missed is verifying the burner orientation matches the fixture's arc alignment marks before tightening.

What maintenance or replacement will the OSRAM 54738 SIRIUS HRI 330W X8 need after extended use?

The lamp is rated for 1500 hours; plan replacement once output drops or the arc becomes unstable, and clean the reflector surface during each lamp change to maintain 12800 lumen performance.

What limit appears first when the OSRAM 54738 SIRIUS HRI 330W X8 runs continuously at 330W in a moving head?

The 1500-hour rated life is the primary limit; sustained high-pressure arc operation degrades the burner, reducing luminance before other components fail.

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