A1/231 Projector Bulb - 12v 100w

A1/231 Projector Bulb - 12V 100W Halogen Lamp (GZ6.35 Base)

Bright, reliable projection lighting for professional and home use. The A1/231 12V 100W projector bulb delivers crisp, high-intensity illumination with a warm clear finish, perfect for overhead projectors, slide projectors, medical equipment, and specialist optical devices.

 

Key Features & Specifications

• Wattage: 100W
• Voltage: 12V (low-voltage for safety and efficiency)
• Cap/Base: GZ6.35 (2-pin bi-pin connector)
• Bulb Type: Halogen (dichroic reflector for focused beam)
• Average Life: 50 hours
• Dimensions: 42mm height × 51mm diameter
• Colour/Finish: Clear
• Dimmable: No
• Manufacturers: Osram, Philips, GE, Sylvania

 

Cross-Reference Codes (Exact Equivalents)

EAN/GTIN: 4050300006802 (Osram HLX 64627)

 

Popular equipment using the A1/231

Projection and Photographic Equipment

• Elmo Super 8mm Cine Projectors: Models GS-800, ST-600, ST-160, ST-180, K100-SM (direct replacement for A1/231 bulb in halogen illumination systems).
• Kodak Carousel Slide Projectors: Compatible with S-AV 2050 and 2050 AF series (used for 35mm slide projection; verify transformer for 12V compatibility).
• Saunders/Omega Darkroom Enlargers: Models 670 DXL, MXL, VCCE (standard enlarger lamp for color/multigrade printing).
• Eumig P8 Automatic Novo Super 8 Projector: Fits the 12V 100W halogen socket for film projection.

Medical and Dental Devices

• Zeiss Operating Microscopes: Models OPMI series (e.g., OPMI 1, OPMI 6) and eye microscopes; part number 3800799040 (primary OEM replacement for surgical and ophthalmic illumination).
• Olympus Fiber Optic Light Sources: Models CLK-3, CLK-4, ILK-4 (used in endoscopy and surgical cold light systems).
• Kavo America Optica Dental Lights: EFOS 3020 series (dental examination and intraoral lighting).
• Dentsply Retrospective/Perspective Dental Units: Compatible with 12V 100W reflector for procedure illumination.
• Luxtec 8000 Surgical Lights: Fiber optic bundles for minimally invasive procedures.
• Pentax LH-150A Endoscopes: Light source for gastrointestinal and bronchoscopy scopes.
• Topcon OMS 75 Slit Lamp: Ophthalmic diagnostic equipment.
• Karl Storz Endoscopes: General fiber optic illuminators for surgical applications.
• New Image Industries Dental Lights: Custom intraoral exam setups.

Scientific and Laboratory Tools

• Leica Microscopes: Models with 098-145 lamp holder (stereo and compound microscopes for biological/metallurgical use).
• Leitz Enlargers/Microfiche Readers: Older analog models for archival document projection.
• General Microfiche/Microfilm Readers: Brands like 3M Buhl (e.g., 2912C, 2914C) for library scanners.

Stage and Entertainment Gear

• American DJ Lighting Effects: Models Active Pod, Barrel Flex, Color Gem, Colorpod, Dual Gem, Electra (integrated into moving heads and gobos for DJ/club use).

 

Why Choose the A1/231 Projector Bulb?

This halogen projector lamp uses xenon-filled technology (Osram HLX) to produce higher lumen output than standard halogens at the same wattage. The GZ6.35 base ensures secure, instant-fit installation in compatible fixtures—no tools required.

Ideal for:

• Educational & business presentations
• Scientific & microscope lighting
• Entertainment & stage projectors
• Replacement in legacy equipment

Note: Not dimmable. Use only with 12V transformers or compatible power supplies.

 

Frequently Asked Questions

Q: Is this the same as Philips 6834FO? A: Yes, identical spec and performance.

Q: Can I use it in a 240V mains projector? A: No. Requires a 12V step-down transformer.

Q: How bright is it? A: Approximately 260–280 lumens with a tight, focused beam (MR16-style reflector).