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OSRAM SYLVANIA QXL 750w 77v halogen standard bulb, clear glass envelope with metal base

OSRAM SYLVANIA

OSRAM SYLVANIA QXL 750w 77v halogen standard bulb

SKU CH-CDNE-GPQEJ

750-watt halogen bulb delivers 22950 lumens at 3250 K with a CRI of 100 and a rated life of 300 hours

  • Power rating750
  • Light output22950
  • Color temperature3250K
  • Lifespan (hours)300
  • Color rendering100
  • Product typeHalogen Bulbs
  • High-output 22950 lumens for bright stage illumination
  • 750 watt tungsten halogen lamp at 77 volts
  • 3250 K colour temperature with CRI 100 for accurate colour rendering
  • 300 hour rated life for reliable performance
  • Direct replacement for ETC Source Four Revolution fixtures

Halogen replacement lamp for ETC Source Four

The OSRAM SYLVANIA QXL is a 750 watt, 77 volt tungsten halogen lamp designed as a direct replacement for the ETC Source Four Revolution fixture. It delivers 22950 lumens at a colour temperature of 3250K with a colour rendering index of 100. This bulb suits lighting professionals and venues requiring accurate colour reproduction in stage or studio environments.

Sustained output and rated life

Under continuous operation the lamp maintains its rated output for 300 hours before replacement is needed. The tungsten halogen cycle preserves lumen maintenance across that period, so brightness and colour consistency remain stable during long rehearsals or performances. Thermal management within the fixture determines whether the full rated life is achieved in practice.

Voltage and fixture compatibility limits

The 77 volt rating means the lamp must be powered by a compatible dimmer or transformer supplying that exact voltage; standard mains voltage will destroy it instantly. It fits only fixtures engineered for the QXL base and 750 watt thermal load, so it cannot be used in generic household sockets or lower-rated theatrical units. Buyers needing a different voltage, wattage or base type must select an alternative lamp.

How it compares

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

Price $40.99
Pricier than about 72% of the 1,791 comparable items (median $17.99).

Specifications

Product
Brand nameOSRAM
Product typeHalogen Bulbs
Display
Light output22950
Power
Power rating750
More details
Color temperature3250K
Lifespan (hours)300
Color rendering100

Questions about this item

How much heat and power does the 750 watt halogen lamp produce during continuous operation?

The lamp draws 750 watts at 77 volts and emits 22950 lumens at 3250K, so it generates significant heat and requires adequate ventilation for all-day use.

What fixture or socket is required to install this OSRAM QXL bulb?

It is designed as a direct replacement for ETC Source Four Revolution fixtures, so the matching socket and voltage supply must already be in place.

Will the 3250K output and 100 CRI match the colour quality of older tungsten halogen units I keep?

Yes, the 3250K colour temperature and 100 CRI replicate traditional tungsten halogen light, ensuring consistent colour rendering alongside existing fixtures.

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