This manual provides comprehensive guidance for the Rolls Pro Mix IV, covering setup, features, and troubleshooting. It ensures optimal use of the mixer’s four-channel design, phantom power, and low-cut filters, making it essential for professionals and beginners alike. The manual also includes warranty details and technical specifications for enhanced understanding and maintenance.
Overview of the Rolls Pro Mix IV Mixer
The Rolls Pro Mix IV is a versatile four-channel stereo mixer designed to combine microphones and line-level signals. It features individually switchable phantom power, low-cut filters, and balanced XLR outputs. Compact and lightweight, it supports both battery and external power, making it ideal for live sound, field recording, and professional audio applications.
Importance of the Manual for Proper Usage
The manual is crucial for understanding the Rolls Pro Mix IV’s features, ensuring correct setup, and optimizing performance. It provides detailed instructions for phantom power, low-cut filters, and output configurations, helping users avoid common issues and maintain the mixer’s longevity. Referencing the manual ensures safe operation and unlocks the full potential of the device for professional audio applications.
Quick Start Guide
Unbox and inspect the mixer, then connect microphones and output devices. Power the mixer using batteries or external power. Navigate the controls to start mixing audio seamlessly.
Unboxing and Initial Setup
Carefully unbox the Rolls Pro Mix IV mixer, ensuring all components, including the mixer, power supply, and cables, are included. Inspect for any damage or defects. Place the mixer on a flat, stable surface. Connect the power supply or install batteries, following the polarity guidelines. Familiarize yourself with the front and rear panels, locating key controls and connectors before powering on.
Connecting Microphones and Outputs
Connect microphones to the four XLR inputs on the front panel. Ensure each microphone is securely plugged in. For outputs, use the balanced XLR connectors for professional equipment or the 1/4 and 1/8-inch stereo outputs for consumer devices. Turn on phantom power if using condenser microphones. Verify all connections are secure and free from damage before powering on the mixer;
Powering the Mixer (Battery and External Power Options)
The Rolls Pro Mix IV can be powered using two 9-volt alkaline batteries or an external DC power supply. For battery operation, open the right-side compartment and install the batteries. For external power, connect the Rolls PS27s supply to the DC power jack (5.5 X 2.1 mm tip negative). Use the external power option for extended sessions to avoid battery drain.
Features and Specifications
The Rolls Pro Mix IV features four-channel stereo mixing, XLR and 1/4″ TRS outputs, and a frequency response of 25 Hz to 16 kHz. It offers 84 dB S/N ratio, switchable phantom power, and low-cut filters for tailored audio performance.
Input and Output Impedance
The Rolls Pro Mix IV has an input impedance of 600 Ohms, ensuring optimal signal flow from microphones. Outputs include XLR at 600 Ohms, 1/4″ TRS at 10 Ohms, and 1/8″ TRS at 10 Ohms, providing versatile connectivity options for professional audio systems. These specifications maintain high-quality audio transmission with minimal signal degradation.
Phantom Power and Low-Cut Filters
The Rolls Pro Mix IV features individually switchable phantom power (18VDC) for each channel, enabling compatibility with condenser microphones. The low-cut filter, set at 100 Hz with a -3 dB slope, helps reduce unwanted low-frequency noise. These features enhance audio clarity and versatility, ensuring high-quality sound reproduction in various professional applications.
Frequency Response and Signal-to-Noise Ratio
The Rolls Pro Mix IV offers a frequency response of 25 Hz to 16 kHz (±0/-3 dB), ensuring accurate audio reproduction across the audible spectrum. With a signal-to-noise ratio of 84 dB and total harmonic distortion (THD) of 0.02%, the mixer delivers clear, professional-grade sound. These specifications ensure high-quality audio performance for live and studio applications.
Installation and Setup
The Rolls Pro Mix IV is designed for easy installation and setup. Place the mixer on a stable surface or mount it using the provided options. Connect microphones and external devices, ensuring proper power supply. Configure settings like phantom power and low-cut filters to optimize performance for your specific application.
Physical Placement and Mounting Options
The Rolls Pro Mix IV mixer offers flexible placement options. It can be placed on a flat surface or mounted using standard racks or brackets. Its compact design ensures it fits seamlessly into various setups, from studios to live performances. Proper ventilation is essential to prevent overheating, so avoid enclosing it in tight spaces without airflow. Mounting hardware may be purchased separately for secure installation.
Connecting External Devices and Power Supply
Connect microphones to the four XLR inputs and link external devices via the balanced XLR, 1/4, or 1/8-inch outputs. Power the mixer using two 9V batteries or the Rolls PS27 external power supply through the DC power jack (5.5 x 2.1 mm tip negative). Ensure proper connections to avoid signal loss and maintain optimal performance in various audio setups.
Configuring the Mixer for Different Applications
Configure the Rolls Pro Mix IV for various applications by optimizing its settings. Enable phantom power for condenser microphones, adjust low-cut filters to reduce unwanted noise, and utilize balanced XLR outputs for professional audio setups. The mixer’s flexibility makes it ideal for live performances, field recording, or studio environments, ensuring high-quality sound tailored to your specific needs and applications.
User Interface Overview
The Rolls Pro Mix IV features an intuitive interface with clearly labeled controls, ensuring easy navigation and operation. Its design prioritizes functionality, providing quick access to phantom power, low-cut filters, and output settings for seamless audio management in various applications.
Front Panel Controls and Indicators
The front panel of the Rolls Pro Mix IV features clearly labeled controls, including phantom power switches, low-cut filters, and level adjustments for each channel. LED indicators provide visual feedback for phantom power activation and output levels, ensuring easy monitoring and adjustments during operation. The intuitive layout allows users to quickly access essential functions, streamlining the mixing process for professional and seamless audio control.
Rear Panel Connectors and Outputs
The rear panel of the Rolls Pro Mix IV includes four female XLR inputs, two male XLR outputs, and 1/4″ and 1/8″ stereo outputs for flexible connectivity. It also features a DC power jack for external power supply, ensuring reliable operation in various settings. These connectors provide robust signal routing options, catering to both professional and casual audio mixing needs with precision and durability.
Troubleshooting Common Issues
This section addresses common issues like low output, distortion, or noise, offering practical solutions to ensure optimal performance. Refer to the manual for detailed troubleshooting steps.
Resolving Low Output or Distortion Problems
Low output or distortion issues can often be resolved by checking input levels, ensuring proper gain structure, and verifying phantom power settings. Ensure all connections are secure and free from corrosion. If using external power, confirm the adapter is functioning correctly. Refer to the manual for detailed troubleshooting steps to address these common problems effectively.
Addressing Noise or Humming Issues
Noise or humming can be resolved by checking for loose connections, ensuring proper grounding, and reducing environmental interference. Verify that all cables are securely connected and free from damage. If using phantom power, ensure it’s only enabled for microphones that require it. Additionally, check for nearby electronic devices that may cause interference. Consult the manual for detailed troubleshooting steps.
Maintenance and Care
Regularly clean the mixer with a soft cloth to prevent dust buildup. Store it in a dry, cool place to avoid damage. Handle with care to maintain functionality and ensure longevity.
Cleaning the Mixer and Preventing Damage
Regularly clean the mixer with a soft, dry cloth to remove dust and dirt. Avoid harsh chemicals or liquids, as they may damage the finish or internal components. Store the mixer in a cool, dry place away from direct sunlight. Handle the unit with care to prevent physical damage. Always power down before cleaning and use a dry cloth for connectors and controls to ensure optimal performance and longevity.
Storage and Handling Best Practices
Store the Rolls Pro Mix IV in a cool, dry environment, away from direct sunlight and humidity. Use a protective case or bag to prevent scratches and dust accumulation. Handle the mixer with care, as it is lightweight and sensitive to physical stress. Avoid stacking heavy objects on top of it. Store upright to protect controls and ensure proper ventilation. Always transport with caution to prevent damage during moves.
Advanced Configuration Options
The Rolls Pro Mix IV offers customizable settings for optimizing audio performance. Adjust gain staging, phantom power, and low-cut filters to tailor the mixer for professional sound applications, ensuring precise control over your audio signals.
Optimizing Gain Structure for Professional Sound
For professional audio quality, set input gains to peak between -6dB and -12dB. Adjust each channel’s gain to match the source level, ensuring a strong signal without distortion; Use the mixer’s LED indicators to guide your adjustments, aiming for optimal headroom and a clean output. Proper gain staging prevents noise and maintains clarity in your recordings or live mixes.
Using Phantom Power Effectively
Enable phantom power (+18VDC) for condenser microphones only, as dynamic or ribbon mics may be damaged. Switches are located on the left side of the mixer. Ensure phantom power is off when connecting non-condenser microphones to prevent damage. Refer to the manual for specific activation steps and safety guidelines to avoid equipment harm and maintain optimal performance.
The Rolls Pro Mix IV manual offers detailed insights into optimizing mixer performance. From setup to advanced features, it empowers users to achieve professional sound quality and explore creative possibilities.
Final Thoughts on Using the Rolls Pro Mix IV
The Rolls Pro Mix IV is a versatile and reliable mixer, ideal for both professionals and hobbyists. Its robust features, including phantom power and low-cut filters, ensure high-quality sound. With proper setup and care, it delivers exceptional performance, making it a valuable addition to any audio setup for achieving professional-grade results consistently.
Encouragement to Explore Additional Features
Taking the time to explore the Rolls Pro Mix IV’s advanced features, such as customizable low-cut filters and phantom power options, can significantly enhance your mixing experience. Experimenting with these settings allows you to tailor the mixer to your specific needs, ensuring optimal sound quality and versatility for various applications.
References and Further Reading
For in-depth learning, refer to the Rolls Pro Mix IV manual available on ManualsLib and Manuals.co.uk. These resources provide detailed specifications, troubleshooting guides, and setup instructions to enhance your understanding and usage of the mixer.