1. Introducció
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.
Figura 1: Frontal view of the Alto Professional Live 802 Mixer.
2. Característiques clau
The Live 802 mixer is equipped with a range of features to enhance your audio experience:
- Compressió dinàmica: 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.
- EQ gràfic de 9 bandes: For main or monitor outputs, enabling overall sound adjustment.
- Headphone Jack with Independent Level Control: Per a monitorització privada.
Vídeo 1: Un overview of the Alto Professional LIVE Series Mixers, highlighting key features and applications.
3. Configuració
Follow these steps to set up your Alto Professional Live 802 mixer:
- Desembalatge: Carefully remove the mixer from its packaging and ensure all components are present.
- Col·locació: Place the mixer on a stable, flat surface away from direct sunlight, heat sources, and moisture. Ensure adequate ventilation.
- Connexió d'alimentació: 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.
- Connexions d'entrada:
- 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.
- Connexions de sortida:
- Connecteu els altaveus principals o l'alimentació amplifier to the Main Mix Output (XLR or 1/4-inch TRS/TS).
- Connect monitor speakers or headphones to the respective outputs.
- 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. Instruccions de funcionament
Understanding the controls of your Live 802 mixer is crucial for optimal performance:
4.1 Controls de canal
- Pom de guany: 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.
- Enviaments AUX: 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.
- Pom de panoràmica: Positions the channel's signal within the stereo field (left to right).
- Botó de silenci: Silences the channel's output to the main mix.
- Fader del canal: 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.
- Equalitzador gràfic: Use the 9-band graphic equalizer to fine-tune the overall frequency response of your main or monitor outputs.
- Main Faders: Controla el volum de sortida general de la mescla estèreo principal.
- Monitor/Headphone Level: Adjusts the volume for the monitor output and headphone jack.
- Phantom Power (+48V) Switch: Activa l'alimentació phantom per a micròfons de condensador connectats a entrades XLR.
Figure 3: Top panel of the Alto Professional Live 802 Mixer, illustrating channel and master controls.
5. Manteniment
Proper maintenance ensures the longevity and optimal performance of your Live 802 mixer:
- Neteja: Use a soft, dry cloth to clean the exterior of the mixer. Avoid using abrasive cleaners, solvents, or waxes.
- Protecció contra la pols: When not in use, cover the mixer to prevent dust accumulation, which can affect faders and knobs.
- Emmagatzematge: Store the mixer in a cool, dry environment. If transporting, use appropriate protective casing.
- Gestió de cables: Ensure all cables are neatly organized and not under tension to prevent damage to connectors and ports.
6. Solució De Problemes
If you encounter issues with your Live 802 mixer, refer to the following common solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | Power cable disconnected; power switch off; faulty outlet | Check power cable connections; ensure power switch is ON; try a different power outlet. |
| Sense sortida de so | Main faders down; mute engaged; incorrect input/output connections; faulty cables | Raise main faders; disengage mute buttons; verify all audio connections; test with different cables. |
| So distorsionat | Input gain too high; output level too high; faulty cable/microphone | Reduce input gain (avoid PEAK LED); lower output levels; check/replace cables and microphones. |
| No phantom power | Phantom power switch off; condenser mic not connected to XLR input | Ensure +48V phantom power switch is ON; connect condenser microphone to an XLR input. |
| USB audio issues | Incorrect USB driver; incorrect audio settings on computer; faulty USB cable | Install/update USB drivers; select Live 802 as audio device in computer settings; try a different USB cable. |
7. Especificacions
| Característica | Detall |
|---|---|
| Número de model | Viu 802 |
| Nombre de canals | 8 |
| Bus Configuration | 2-bus |
| Pes de l'article | 7.72 lliures (3.5 kg) |
| Dimensions del producte | 13.62 x 12.02 x 3.15 polzades (34.6 x 30.5 x 8 cm) |
| Interfície del maquinari | USB |
| Tecnologia de connectivitat | USB |
| Font d'alimentació | Elèctric amb cable |
| Wattage | 45 watts |
| Data de primera disponibilitat | 21 d'abril de 2014 |
8. Garantia i Suport
For warranty information and technical support, please refer to the official Alto Professional weblloc web o poseu-vos en contacte amb el seu departament d'atenció al client. Conserveu el rebut de compra com a comprovant de compra per a qualsevol reclamació de garantia.
Podeu trobar més informació i recursos de suport a Alto Professional weblloc.
