PreSonus Studio 1824c USB-C Audio Interface User Manual

1. Introduction

The PreSonus Studio 1824c USB-C Audio Interface is designed for project studios, bands, and producers requiring multi-channel recording capabilities. It supports up to 18 simultaneous inputs at up to 24-bit/192 kHz resolution, featuring 8 microphone inputs with XMAX Class A preamps, along with ADAT and S/PDIF I/O. Its 18 outputs provide flexible routing options, including zero-latency DSP-based monitor mixing and control-room integration. The interface comes bundled with Studio One Artist for Mac and Windows, and UC Surface for Mac, Windows, iPad, and Android, offering comprehensive control. Connectivity includes stereo main outputs with dedicated mute and mono buttons, eight balanced, DC-coupled line outputs, two independent headphone outputs, word clock output, and MIDI I/O. The Studio Magic plug-in Suite is also included, and both USB-C to USB-C and USB-C to USB-A cables are provided for broad computer compatibility.

Figure 1: PreSonus Studio 1824c Audio Interface with included Studio One Pro Software.

2. Key Features

• High-Definition Audio: 24-bit/192 kHz audio resolution with 114 dB dynamic range for pristine sound quality.
• XMAX Preamps: 8 high-quality XMAX Class A microphone preamps for clear and transparent gain.
• Versatile Inputs: 2 high-headroom instrument/line inputs, plus 6 balanced line inputs for guitars, basses, and synthesizers.
• Expandable I/O: Up to 18 simultaneous inputs and 20 outputs, including ADAT and S/PDIF digital I/O.
• DAW Software Included: Comes with Studio One Artist and Ableton Live Lite.
• Studio Magic Plug-In Suite: Over $1,000 worth of computer recording software plug-ins.
• Professional Metering: Input and output metering for precise level monitoring.
• MIDI and Word Clock: S/PDIF and MIDI I/O, plus BNC word clock output for synchronization.
• Flexible Monitoring: Zero-latency monitor mixing and control-room integration via Studio One Artist and UC Surface (Mac, Windows, iPad, Android).
• USB-C Connectivity: Includes USB-C to USB-C and USB-C to USB-A cables for wide compatibility.

3. Setup Guide

3.1 Unboxing and Initial Inspection

Carefully remove the Studio 1824c from its packaging. Verify that all components are present:

• PreSonus Studio 1824c Audio Interface
• External Power Supply
• USB-C to USB-C Cable
• USB-C to USB-A Cable
• Quick Start Guide and Software Registration Information
• Rubber feet (for desktop use, if not rack-mounting)

3.2 Connecting to Your Computer

1. Power Connection: Connect the included external power supply to the 'Power' input on the rear panel of the Studio 1824c and then to a power outlet.
2. USB Connection: Use either the USB-C to USB-C cable or the USB-C to USB-A cable to connect the Studio 1824c to an available USB port on your computer.
3. Power On: Press the power button on the front panel of the Studio 1824c. The power indicator LED should illuminate.

3.3 Software Installation and Driver Setup

To ensure proper functionality and access to all features, install the necessary software and drivers:

1. Register Your Product: Visit the PreSonus website and register your Studio 1824c using the provided product key. This will grant you access to software downloads.
2. Download and Install Drivers: Download and install the latest drivers for your operating system (Windows or macOS) from your PreSonus account.
3. Install UC Surface: Download and install the UC Surface control software. This application provides comprehensive control over the Studio 1824c's internal mixer and settings.
4. Install Studio One Artist: Install the included Studio One Artist DAW software.
5. Install Studio Magic Plug-In Suite: Follow the instructions in your PreSonus account to download and install the Studio Magic Plug-In Suite.

Figure 2: The Studio 1824c integrates seamlessly with Studio One software.

4. Operating Instructions

4.1 Front Panel Controls and Connections

Figure 3: Front panel overview of the Studio 1824c.

• Mic/Inst/Line Inputs (1-2): Two combo jacks for XLR microphones or 1/4-inch instrument/line level sources. These inputs feature XMAX Class A preamps.
• Mic/Line Inputs (3-8): Six combo jacks for XLR microphones or 1/4-inch line level sources. These also feature XMAX Class A preamps.
• Gain Knobs (1-8): Adjust the input gain for each corresponding input channel.
• 48V Phantom Power: Activates +48V phantom power for condenser microphones on inputs 1-8. Press the button to toggle.
• Input/Main Meters: LED ladder-style meters display input levels for channels 1-8 and main output levels (L/R).
• Monitor Mix: Blends the direct input signal with the playback signal from your computer for zero-latency monitoring.
• Main Output Level: Controls the overall output level of the main stereo outputs.
• Mute Button: Mutes the main stereo outputs.
• Mono Button: Sums the main stereo outputs to mono.
• Headphone Outputs (1-2): Two independent 1/4-inch stereo headphone outputs with dedicated level controls.
• Power Button: Turns the unit on or off.

Figure 4: Detailed view of the input/output meters and monitor mix control.

4.2 Rear Panel Connections

Figure 5: Rear panel overview of the Studio 1824c.

• Line Outputs (1-8): Eight balanced, DC-coupled 1/4-inch TRS line outputs for connecting to studio monitors, external effects, or other audio equipment.
• Main Outputs (L/R): Two balanced 1/4-inch TRS outputs for your primary studio monitors.
• S/PDIF I/O: Coaxial S/PDIF input and output for digital audio connections.
• ADAT Optical I/O: Optical ADAT input and output for expanding your input/output count with compatible devices (e.g., 8-channel mic preamps).
• Word Clock Output: BNC connector for synchronizing with other digital audio devices.
• MIDI I/O: 5-pin DIN MIDI In and Out ports for connecting MIDI controllers, synthesizers, or other MIDI-compatible hardware.
• USB-C Port: Connects to your computer for audio and MIDI data transfer.

4.3 Software Control (UC Surface)

The UC Surface software provides a virtual control surface for your Studio 1824c, allowing you to manage all internal mixer functions, routing, and settings from your computer or mobile device. Refer to the UC Surface manual for detailed instructions on its features and operation.

4.4 Official Product Video

Video 1: Overview of the PreSonus Studio Series USB-C Audio Interfaces, showcasing various models including the Studio 1824c.

5. Maintenance

To ensure the longevity and optimal performance of your PreSonus Studio 1824c, follow these maintenance guidelines:

• Cleaning: Use a soft, dry, lint-free cloth to clean the exterior of the unit. Avoid abrasive cleaners, solvents, or waxes.
• Dust Protection: Keep the unit covered when not in use to prevent dust accumulation, especially in the ports and ventilation openings.
• Environmental Conditions: Operate and store the interface in a cool, dry environment away from direct sunlight, heat sources, and excessive humidity.
• Cable Management: Ensure all cables are neatly organized and not under tension to prevent damage to connectors and ports.

6. Troubleshooting

If you encounter issues with your Studio 1824c, consider the following common troubleshooting steps:

• No Power: Verify that the power supply is securely connected to both the interface and a working power outlet. Check the power button on the front panel.
• No Audio Input/Output:
  • Ensure the Studio 1824c is selected as the audio input/output device in your computer's sound settings and your DAW.
  • Check all cable connections (microphones, instruments, monitors, headphones).
  • Adjust gain knobs and main/headphone output levels.
  • If using condenser microphones, ensure 48V phantom power is enabled.
  • Check the Monitor Mix knob position.
• Distorted Audio/Clipping: Reduce the input gain on the corresponding channel(s) if the input meters are consistently hitting red.
• Driver Issues: Reinstall the latest drivers from the PreSonus website. Ensure your operating system is up to date.
• MIDI Not Working: Verify MIDI cable connections and ensure the Studio 1824c is selected as a MIDI device in your DAW's preferences.
• Software Not Recognizing Interface: Close and reopen your DAW or UC Surface. Restart your computer and the Studio 1824c.

For further assistance, consult the comprehensive manual available on the PreSonus website or contact PreSonus technical support.

7. Specifications

8. Warranty and Support

The PreSonus Studio 1824c comes with a manufacturer's warranty. Please refer to the warranty information included with your product or visit the official PreSonus website for details regarding warranty terms, registration, and service.

For technical support, driver updates, and additional resources, please visit the PreSonus website or contact their customer service directly.