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Clear glass halogen bulb with G9.5 two-pin base and heat sink

SYLVANIA

SYLVANIA HPL 575W 120V Halogen Bulb OSRAM 54817

SKU CH-28GT-JKAQH

575-watt halogen bulb with G 9.5 medium 2-pin base, 16460 lumens, 3265 K colour temperature, 100 CRI and 300-hour life for ETC Source Four fixtures

  • Power rating575
  • Light output16460
  • Color temperature3265K
  • Lifespan (hours)300
  • Color rendering100
  • Product typeHalogen Bulbs
  • 575 W tungsten halogen delivers 16 460 lm for bright stage output
  • 3 265 K colour temperature with CRI 100 gives true colour rendering
  • Ultra-compact filament design improves light collection and efficiency
  • G 9.5 medium 2-pin base with heat sink fits ETC Source Four fixtures
  • 300-hour rated life suits professional studio and architectural use

Stage & Studio Halogen Lamp

The SYLVANIA HPL 575W 120V halogen bulb is built for stage, studio and architectural fixtures. It uses an ultra-compact filament design that improves light collection and output. The lamp is engineered specifically for ETC Source Four fixtures and carries the OSRAM 54817 part number.

G9.5 Medium 2-Pin Base Constraint

This lamp fits only fixtures that accept a G 9.5 medium 2-pin base with an integrated heat sink. It operates at 120V and draws 575W, so the circuit and dimmer must support that load. The 300-hour rated life means frequent replacement in high-use environments.

16460 Lumen Output Decides Suitability

The lamp produces 16460 lumens at a 3265K colour temperature with a CRI of 100. That output level determines whether it meets the brightness requirement for a given production or installation. Buyers needing lower output or longer life should select a different wattage from the HPL series.

How it compares

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

Price $15.99
Cheaper than about 55% of the 1,791 comparable items (median $17.99).

Specifications

Product
Brand nameOSRAM
Product typeHalogen Bulbs
Display
Light output16460
Power
Power rating575
More details
Color temperature3265K
Lifespan (hours)300
Color rendering100

Questions about this item

Which HPL 575 watt 120 volt halogen bulb should I choose for my ETC Source Four fixture?

The OSRAM 54817 is the HPL 575 model rated at 120 volts with a G 9.5 medium 2-pin base and heat sink, designed specifically for ETC Source Four fixtures.

What does the 16460 lumen output mean when the lamp is installed in a fixture?

The 16460 lumen rating comes from the ultra compact filament design that improves light collection and efficiency, delivering high output for stage and studio use.

How does the G 9.5 medium 2-pin base with heat sink affect compatibility and performance?

The G 9.5 base with integrated heat sink ensures secure fit in ETC Source Four fixtures and helps manage heat for the 300 hour rated life at 3265K color temperature.

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