Introducció
This manual provides essential information for the safe and efficient operation of your TOA A-912MK2 8-Channel 120 watt Modular Mixer Amplifier. Please read this manual thoroughly before use and retain it for future reference.
Informació de seguretat
Observeu sempre les precaucions de seguretat següents per evitar descàrregues elèctriques, incendis o lesions.
- No exposeu aquest aparell a la pluja o la humitat.
- No obstruïu cap obertura de ventilació.
- Assegureu-vos una correcta connexió a terra.
- Demaneu tot el servei a personal de servei qualificat.
- Desconnecteu l'alimentació abans de netejar-la o reparar-la.
Configuració
Desembalatge
Traieu amb cura amplifier from its packaging. Inspect for any signs of damage during transit. Retain the original packaging for future transport or storage.
Col·locació física
Col·loca el amplifier on a stable, flat surface. Ensure adequate ventilation around the unit. Avoid placing it near heat sources, direct sunlight, or areas with excessive dust or moisture.
Connexions
Abans de fer cap connexió, assegureu-vos que amplifier is powered off and unplugged from the mains supply.
- Input Modules: The A-912MK2 is a modular mixer amplifier. Insert appropriate input modules (e.g., microphone, line, telephone) into the designated slots on the rear panel. Ensure modules are securely seated.
- Sortides dels altaveus: Connecteu els vostres altaveus al amplifier's output terminals. Observe correct polarity (+ to + and - to -). This amplifier supports various speaker impedances; refer to the specifications for compatible loads.
- Dispositius externs: Connect any external audio processing equipment (e.g., equalizers, effects units) to the amplifier's send/return jacks if available.
- Connexió d'alimentació: Once all audio connections are made, connect the power cord to the amplifier and then to a suitable AC power outlet.
Instruccions de funcionament
Figura 1: Panell frontal view of the TOA A-912MK2 Modular Mixer Amplifier, showing input level controls, tone controls, master volume, and power switch.
Encès/Apagat
- To power on, ensure all volume controls are at their minimum setting, then press the power switch located on the front panel. The power indicator will illuminate.
- To power off, turn down all volume controls, then press the power switch.
Ajust del nivell d'entrada
Each input channel has a dedicated level control knob on the front panel. Adjust these knobs to set the individual volume for each connected source. Start with low levels and gradually increase to avoid sudden loud sounds.
Controls de to
El amplifier features bass and treble tone controls. Use these to adjust the overall tonal balance of the audio output. Turn clockwise to boost frequencies and counter-clockwise to cut them.
Volum mestre
The large master volume knob controls the overall output level of the amplifier. Adjust this to set the final listening volume for your speakers.
Manteniment
- Neteja: Utilitzeu un drap suau i sec per netejar l'exterior ampNo utilitzeu netejadors líquids ni materials abrasius.
- Ventilació: Periodically check that the ventilation openings are free from dust and debris to ensure proper airflow.
- Emmagatzematge: If storing the unit for an extended period, disconnect it from power and store it in a cool, dry place, ideally in its original packaging.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | Power cord disconnected; power outlet faulty; power switch off. | Comproveu la connexió del cable d'alimentació; proveu una presa de corrent diferent; assegureu-vos que l'interruptor d'alimentació estigui encès. |
| Sense sortida de so | Volume controls too low; speaker connections faulty; input module not seated correctly. | Increase master and input volumes; check speaker wiring; re-seat input modules. |
| So distorsionat | Input level too high; speaker impedance mismatch; faulty speaker. | Reduce input levels; verify speaker impedance matches amplificador; prova amb diferents altaveus. |
Especificacions
| Característica | Detall |
|---|---|
| Marca | Toa |
| Model | A-912MK2 |
| Potència de sortidatage | 120 watts |
| Canals | 8-Channel (Modular) |
| Material | Plàstic |
| Color | Negre |
| Dispositius compatibles | Tots |
| ASIN | B008ZTABSY |
| Data de primera disponibilitat | 19 d'agost de 2012 |
Informació de la garantia
TOA products are designed for reliability and performance. This product is covered by a standard manufacturer's warranty against defects in materials and workmanship. Specific warranty terms and duration may vary by region. Please retain your proof of purchase for warranty claims.
For detailed warranty information, please refer to the warranty card included with your product or visit the official TOA weblloc.
Atenció al client
If you encounter issues not covered in the troubleshooting section or require further assistance, please contact TOA customer support. Have your product model number (A-912MK2) and serial number ready when contacting support.
For the most up-to-date contact information, please visit the official TOA weblloc web o consulteu les dades de contacte que figuren a l'embalatge del producte.
