Alto Professional Live 802 8-Channel / 2-Bus Mixer Instruction Manual

1. Introduction

The Alto Professional Live 802 is a professional 8-channel, 2-bus mixer designed to provide comprehensive audio control for various live performance and studio environments. It integrates flexible routing options with a suite of onboard DSP tools to help users achieve an optimal mix. This manual provides essential information for setting up, operating, and maintaining your Live 802 mixer.

Figure 1: Front view of the Alto Professional Live 802 Mixer.

2. Key Features

The Live 802 mixer is equipped with a range of features to enhance your audio experience:

• Dynamic Compression: Available on Channels 1-2 for controlled audio dynamics.
• 3-Band EQ with Sweepable Mids: Provides precise tonal shaping for each channel.
• 60mm Faders with Mute Switch and LED: Offers accurate level control and visual feedback.
• 102 Alesis DSP Effects: Integrated high-quality digital effects for creative sound processing.
• USB Audio Connectivity with Level Control: Allows for direct connection to a computer for recording and playback.
• 5 Balanced XLR Inputs: For connecting microphones and other professional audio sources.
• Two Aux Sends Per-Channel: For external effects and monitoring.
• 9-Band Graphic EQ: For main or monitor outputs, enabling overall sound adjustment.
• Headphone Jack with Independent Level Control: For private monitoring.

3. Setup

Follow these steps to set up your Alto Professional Live 802 mixer:

1. Unpacking: Carefully remove the mixer from its packaging and ensure all components are present.
2. Placement: Place the mixer on a stable, flat surface away from direct sunlight, heat sources, and moisture. Ensure adequate ventilation.
3. Power Connection: Connect the supplied power cable to the mixer's AC input and then to a grounded power outlet. Ensure the power switch is in the OFF position before connecting.
4. Input Connections:
   • Connect microphones to the XLR inputs (Channels 1-5). If using condenser microphones, activate phantom power (+48V) using the dedicated switch.
   • Connect line-level instruments (keyboards, guitars with preamps) to the 1/4-inch TRS/TS Line inputs.
   • Use the 2-Track IN (RCA) for connecting external playback devices like CD players or media players.
5. Output Connections:
   • Connect your main speakers or power amplifier to the Main Mix Output (XLR or 1/4-inch TRS/TS).
   • Connect monitor speakers or headphones to the respective outputs.
6. USB Audio Connection: For computer recording or playback, connect a USB cable from the mixer's USB Audio IN/OUT port to your computer. Install any necessary drivers if prompted by your operating system.

Figure 2: Rear panel of the Alto Professional Live 802 Mixer, showing power, USB, and main output connections.

4. Operating Instructions

Understanding the controls of your Live 802 mixer is crucial for optimal performance:

4.1 Channel Controls

• Gain Knob: Adjusts the input sensitivity for each channel. Set this to achieve a strong signal without clipping (indicated by the PEAK LED).
• EQ Section (High, Mid, Low): Use these knobs to shape the tone of each channel. The Mid knob on channels 1-4 is sweepable, allowing you to select the frequency to adjust.
• AUX Sends: Control the amount of signal sent from each channel to the AUX 1 and AUX 2 outputs, typically used for monitor mixes or external effects.
• Pan Knob: Positions the channel's signal within the stereo field (left to right).
• Mute Button: Silences the channel's output to the main mix.
• Channel Fader: Controls the overall volume level of the channel in the main mix.

4.2 Master Section Controls

• DFX Section: Select from 102 Alesis DSP effects using the PRESETS knob. Adjust the DFX TO AUX and DFX TO MAIN levels to integrate effects into your mix.
• Graphic EQ: Use the 9-band graphic equalizer to fine-tune the overall frequency response of your main or monitor outputs.
• Main Faders: Control the overall output volume of the main stereo mix.
• Monitor/Headphone Level: Adjusts the volume for the monitor output and headphone jack.
• Phantom Power (+48V) Switch: Activates phantom power for condenser microphones connected to XLR inputs.

Figure 3: Top panel of the Alto Professional Live 802 Mixer, illustrating channel and master controls.

5. Maintenance

Proper maintenance ensures the longevity and optimal performance of your Live 802 mixer:

• Cleaning: Use a soft, dry cloth to clean the exterior of the mixer. Avoid using abrasive cleaners, solvents, or waxes.
• Dust Protection: When not in use, cover the mixer to prevent dust accumulation, which can affect faders and knobs.
• Storage: Store the mixer in a cool, dry environment. If transporting, use appropriate protective casing.
• 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 Live 802 mixer, refer to the following common solutions:

7. Specifications

8. Warranty and Support

For warranty information and technical support, please refer to the official Alto Professional website or contact their customer service department. Keep your purchase receipt as proof of purchase for any warranty claims.

You can find more information and support resources at the Alto Professional website.