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Clear T6 halogen bulb with G9.5 2-pin base and heat sink

Ushio

Ushio 1000666 HPL-375/115V 375W 115V G9.5 2-Pin Halogen Bulb

SKU CH-BSJZ-KVPKS

375 W 115 V halogen lamp delivers 10540 lm at 3250 K with CRI 100 and a 300-hour life in a G9.5 base

  • TypeHalogen Bulbs
  • Lumen Range10540
  • Wattage375W
  • Color Temperature3250K
  • Life Time Hours300
  • Color Rendering Index100
  • 375 W halogen output delivers 10540 lumens for bright stage illumination
  • 3250 K colour temperature with CRI 100 gives accurate colour rendering
  • G9.5 2-pin base with heat sink fits ETC Source Four fixtures
  • Compact T6 filament geometry increases fixture efficiency by up to 20 %
  • 300-hour rated life at 115 V suits professional production schedules

High-Output Stage Lamp

The Ushio 1000666 HPL-375/115V is a 375W halogen bulb designed for professional ellipsoidal reflector spotlights. It operates at 115V with a G9.5 2-pin base and heat sink, producing 10540 lumens at a 3250K colour temperature. The lamp achieves a CRI of 100 for accurate colour rendering in theatre, studio and event lighting applications.

Redesigned Filament Efficiency

This model replaces earlier HPL lamps with a redesigned ultra-compact filament geometry. The 4-C8 filament structure improves optical efficiency in compatible fixtures, delivering up to 20% more fixture lumens from the same housing. The upgrade is worth it when maximum output is required from existing Source Four profiles without changing the electrical infrastructure.

Professional Fixture Users

This bulb suits lighting technicians maintaining ETC Source Four or compatible fixtures that accept the G9.5 base and 115V supply. The 300-hour rated life supports typical production runs and repertory schedules. Buyers needing longer maintenance intervals or fixtures requiring a different base type or voltage should look at alternative lamp specifications.

Highlights

  • 375 W halogen output delivers 10540 lumens for bright stage illumination
  • 3250 K colour temperature with CRI 100 gives accurate colour rendering
  • G9.5 2-pin base with heat sink fits ETC Source Four fixtures
  • Compact T6 filament geometry increases fixture efficiency by up to 20 %
  • 300-hour rated life at 115 V suits professional production schedules

Specifications

BrandUshio
TypeHalogen Bulbs
Lumen Range10540
Wattage375W
Color Temperature3250K
Life Time Hours300
Color Rendering Index100

Questions about this item

What base type and pin count does the Ushio 1000666 HPL-375/115V use for mounting?

It uses a G9.5 2-pin base with an integrated heat sink for secure installation in compatible fixtures.

What voltage must the fixture supply and how should the bulb be handled during installation?

The fixture must supply 115V; handle the bulb with clean gloves or a cloth to avoid oil contamination that shortens the 300-hour rated life.

After how many hours of operation should the Ushio 1000666 HPL-375/115V be replaced?

Plan replacement at 300 hours of use, as the rated life is 300 hours and output will decline beyond that point.

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