1. Introduction
This manual provides essential information for the safe and effective use of your ADJ Lamplite PAR 64 500W Sealed Beam Medium Lamp. This high-intensity halogen lamp is designed for professional lighting applications, such as stage lighting, event illumination, and architectural accenting. Please read these instructions thoroughly before installation and operation to ensure proper function and longevity of the product.
2. Safety Information
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Handle with care.
- Electrical Safety: Always disconnect power to the fixture before installing, removing, or servicing the lamp. Ensure the fixture is properly grounded.
- High Temperature: This lamp operates at high temperatures. Allow the lamp to cool completely before handling. Avoid touching the hot lamp or fixture components during or immediately after operation.
- Handling: Do not touch the glass envelope of the lamp with bare hands. Oils from your skin can create hot spots, leading to premature lamp failure. Use a clean cloth or gloves when handling.
- Compatibility: Use only with compatible PAR 64 fixtures designed for 500W, 120V sealed beam lamps.
- Ventilation: Ensure the fixture provides adequate ventilation to prevent overheating, which can reduce lamp life.
- Eye Protection: Avoid looking directly into the lamp when it is illuminated, as the intense light can cause eye damage.
- Disposal: Dispose of used lamps according to local regulations.
3. Package Contents
Your package should contain the following item:
- 1 x ADJ Lamplite PAR 64 500W Sealed Beam Medium Lamp (Model: LL-500PAR64M)

Image 1: The ADJ Lamplite PAR 64 500W Sealed Beam Medium Lamp as it appears in its retail packaging.
4. Setup and Installation
Follow these steps to safely install your PAR 64 lamp:
- Power Off: Ensure the lighting fixture is completely disconnected from the power source.
- Cool Down: If replacing an existing lamp, allow the old lamp and fixture to cool down completely before handling.
- Handle with Care: Wear clean gloves or use a clean, lint-free cloth to handle the new lamp. Avoid touching the glass envelope directly with your bare hands.
- Insert Lamp: Carefully align the two pins (mogul plug) on the base of the PAR 64 lamp with the corresponding sockets in your PAR 64 fixture (e.g., PAR 64 A or B can). Gently push the lamp into place until it is seated securely.
- Secure Fixture: Close and secure any retaining clips or covers on your fixture according to the fixture manufacturer's instructions.
- Connect Power: Once the lamp is securely installed and the fixture is closed, reconnect the fixture to the power source.

Image 2: Rear view of the PAR 64 lamp, illustrating the mogul plug base for insertion into a compatible fixture. The lamp specifications (PAR-64P 120V 500W) are visible on the ceramic base.
5. Operation
After successful installation, operating the lamp is straightforward:
- Power On: Activate the power switch for your lighting fixture. The lamp should illuminate immediately.
- Beam Adjustment: If your fixture allows, adjust the beam angle or focus as needed for your specific lighting application. This lamp provides a medium beam spread.
- Monitoring: Observe the lamp during initial operation to ensure stable performance.
This lamp is designed for continuous use within its specified voltage and wattage limits. Avoid frequent on/off cycling, which can reduce lamp life.
6. Maintenance
Proper maintenance ensures optimal performance and extends the life of your PAR 64 lamp:
- Cleaning: When the lamp is cool and power is disconnected, gently wipe the glass envelope with a clean, dry, lint-free cloth to remove dust or smudges. Do not use liquid cleaners.
- Inspection: Periodically inspect the lamp for any signs of damage, such as cracks in the glass or loose connections. Replace damaged lamps immediately.
- Fixture Maintenance: Ensure your PAR 64 fixture is clean and free of debris, especially around ventilation areas, to maintain proper heat dissipation.
7. Troubleshooting
If you encounter issues with your PAR 64 lamp, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Lamp does not light up. |
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| Lamp flickers or is dim. |
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| Lamp burns out prematurely. |
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8. Specifications
Detailed technical specifications for the ADJ Lamplite PAR 64 500W Sealed Beam Medium Lamp:
- Model: LL-500PAR64M
- Bulb Shape Size: PAR64
- Light Type: Sealed Beam, Halogen
- Wattage: 500 Watts
- Voltage: 120 Volts
- Beam Angle: 40 Degrees (Medium Beam Spread)
- Brightness: High Lumen Output
- Material: Copper (base), Glass (envelope)
- Indoor/Outdoor Usage: Indoor
- Product Dimensions: Approximately 7 x 7 x 7 inches
- Item Weight: 2 Pounds
- Manufacturer: American DJ
- UPC: 750408417220, 640282032438
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Image 3: Retail packaging indicating the LL-500PAR64M model selection, confirming the medium beam type.
9. Warranty and Support
For warranty information and technical support regarding your ADJ Lamplite PAR 64 500W Sealed Beam Medium Lamp, please refer to the official American DJ (ADJ) website or contact their customer service department. Keep your purchase receipt as proof of purchase for any warranty claims.
Online Support: www.adj.com





