Lindell Audio 503 POWER 3-Slot 500 Series Chassis User Manual

1. Introduction

The Lindell Audio 503 POWER is a compact, 3-slot chassis designed to house 500 Series audio modules. It provides robust power delivery and essential connectivity for professional audio applications, allowing users to integrate their favorite 500 Series processors into their studio or live setup. This manual outlines the proper procedures for setting up, operating, maintaining, and troubleshooting your 503 POWER chassis.

2. Key Features

• 3-Slot Capacity: Accommodates up to three standard 500 Series modules.
• High Power Output: Delivers 800mA of power per slot, suitable for both digital and tube-driven modules.
• 48V Phantom Power: Onboard phantom power is available for condenser microphones.
• Protection Circuitry: Features overload and short circuit protection to safeguard connected gear.
• Gold-Plated XLR Jacks: Ensures reliable and high-quality audio connections.
• Universal Power Supply: Designed for global use without the need for external power converters.
• Durable Construction: Housed in a lightweight aluminum cabinet for portability and resilience.
• Power Rail LED Indication: Provides visual feedback for power status, aiding in troubleshooting.

3. Setup Instructions

Follow these steps to properly set up your Lindell Audio 503 POWER chassis:

1. Unpacking: Carefully remove the 503 POWER chassis from its packaging. Inspect for any signs of damage.
2. Module Installation:
   • Ensure the 503 POWER chassis is powered off and disconnected from the mains.
   • Align your 500 Series module with an available slot. Gently slide the module into the slot, ensuring the edge connector mates correctly with the chassis's internal connector.
   • Secure the module using the mounting screws provided with your 500 Series module. Do not overtighten.
3. Power Connection: Connect the supplied AC power cable to the universal AC input on the rear panel of the 503 POWER chassis. Plug the other end into a suitable mains power outlet.
4. Audio Connections: Use high-quality XLR cables to connect the inputs and outputs of your 500 Series modules to your audio interface, mixer, or other studio equipment. The rear panel features gold-plated XLR input and output jacks for each slot.

Figure 3.1: Internal view of the 503 POWER chassis, illustrating the three module slots and internal power distribution. Modules are inserted into these slots.

Figure 3.2: Rear panel of the 503 POWER chassis, detailing the power input, power switch, and the gold-plated XLR input/output jacks for each of the three module slots.

4. Operating Instructions

Once your 500 Series modules are installed and all connections are made, you can begin operation:

1. Power On: Flip the power switch on the rear panel to the 'ON' position. Observe the power rail LED indicators; they should illuminate, confirming proper power delivery to the modules.
2. Module Operation: Refer to the individual user manuals for your specific 500 Series modules for detailed operating instructions. The 503 POWER chassis provides the necessary power and signal routing.
3. Phantom Power: The 48V phantom power is supplied to modules that require it. Ensure your condenser microphones are connected to modules capable of utilizing this feature.
4. Signal Flow: Audio signals enter the chassis via the XLR inputs, pass through the installed 500 Series modules, and exit via the XLR outputs.

5. Maintenance

To ensure the longevity and optimal performance of your 503 POWER chassis, consider the following maintenance guidelines:

• Cleaning: Disconnect the unit from power before cleaning. Use a soft, dry cloth to wipe down the exterior. Avoid abrasive cleaners or solvents.
• Ventilation: Ensure the chassis has adequate ventilation to prevent overheating. Do not block the ventilation slots.
• Module Seating: Periodically check that all installed 500 Series modules are securely seated and their mounting screws are snug. Loose connections can lead to intermittent audio issues.
• Environmental Conditions: Operate the unit in a dry environment, away from extreme temperatures, humidity, and direct sunlight.

6. Troubleshooting

If you encounter issues with your 503 POWER chassis, refer to the following troubleshooting tips:

• No Power:
  • Verify the power cable is securely connected to both the chassis and the mains outlet.
  • Ensure the power switch on the rear panel is in the 'ON' position.
  • Check the mains outlet with another device to confirm it is supplying power.
  • Observe the power rail LED indicators. If they are not lit, there may be a power issue.
• No Audio Signal:
  • Confirm all 500 Series modules are correctly installed and seated in their slots.
  • Check all XLR audio cables for proper connection and integrity.
  • Ensure the 500 Series modules themselves are powered on and configured correctly according to their respective manuals.
  • Test with a different 500 Series module or cable to isolate the problem.
• Hum or Noise in Audio:
  • Ensure all audio cables are balanced XLR cables and are in good condition.
  • Verify proper grounding of all connected equipment. Ground loops can introduce hum.
  • Check for proximity to other electronic devices or power cables that might be causing interference.
  • Ensure modules are fully seated. Loose connections can sometimes introduce noise.
• Module Not Seating Correctly:
  • Gently re-align the module with the slot connector. Do not force it.
  • Inspect the module's edge connector and the chassis's internal connector for any obstructions or damage.

The 503 POWER chassis includes overload and short circuit protection. If a fault occurs, the unit may temporarily shut down or prevent power to a specific slot. Disconnect the problematic module and restart the chassis to clear the protection state.

7. Specifications

8. Warranty and Support

For specific warranty information regarding your Lindell Audio 503 POWER chassis, please refer to the documentation provided at the time of purchase or contact your authorized Lindell Audio dealer or the manufacturer directly. Warranty terms and conditions may vary by region and retailer.

For technical support, service, or further inquiries, please contact your point of purchase or visit the official Lindell Audio website for contact information and resources.