Manuale d'uso

1. Introduzione

This manual provides essential information for the safe and efficient operation of your TOA A-9120SM2 Digital Matrix Mixer and Single Amplifier. Please read this manual thoroughly before using the product and retain it for future reference. The TOA 9000M2 Series redefines conventional mixer/amplifier categories by combining a modular matrix mixer, digital signal processor (DSP), and amplifiers into a compact, two-rack-space package. It is designed for multi-zone paging, music distribution, and room-combining applications.

2. Informazioni sulla sicurezza

Always observe the following safety precautions to prevent personal injury and property damage.

• Fonte di energia: Connect the unit only to the specified power supply (120VAC, 60Hz). Ensure the power cord is securely plugged in and not damaged.
• Ventilazione: Non ostruire le aperture di ventilazione. Garantire un adeguato flusso d'aria attorno all'unità per evitare il surriscaldamento.
• Umidità: Non esporre l'unità a pioggia o umidità. Non posizionare oggetti contenenti liquidi, come vasi, sull'unità.
• Oggetti estranei: Non inserire oggetti metallici o materiali infiammabili nelle aperture di ventilazione.
• Manutenzione: Non tentare di riparare questo prodotto da soli. Affidare tutte le operazioni di manutenzione a personale di assistenza qualificato.
• Messa a terra: Garantire un'adeguata messa a terra per evitare scosse elettriche.

3. Prodotto finitoview

The TOA A-9120SM2 is a versatile unit combining a mixer, DSP, and amplifier. It features:

• Modular Mixer: Up to 8 mic/line inputs and 8 outputs.
• Dual Channel Digital Signal Processor (DSP): Includes 10-Band Parametric EQ, High and Low Pass Filters, Compressor, Loudness Contour, Bass and Treble Delay (MIXER mode), and 34 TOA Speaker EQ Presets.
• Single Channel Power Amplifier: Rated output of 120W.
• Telephone Zone Paging: Access up to eight zones with an optional ZP-001T module.
• Rack-mount Kit Included (2RU).

Figure 3.1: Front Panel of a Representative TOA Power Amplifier (Model BA-260 shown for illustration). This image displays the main controls including the master volume knob, signal, peak, and power indicators, as well as bass and treble adjustment sliders and the power switch.

Figure 3.2: Rear Panel of a Representative TOA Power Amplifier (Model BA-260 shown for illustration). This image illustrates the connectivity options, including terminals for MOH (Music On Hold) output, speaker outputs for different zones, line outputs, and various microphone/line inputs. It also shows the power input and a unit breaker reset button.

4. Impostazione

Follow these steps for proper installation and setup of your A-9120SM2 unit.

1. Disimballaggio: Carefully remove the unit from its packaging. Verify all components are present, including the rack-mount kit.
2. Montaggio su rack: The A-9120SM2 is designed for 2RU rack mounting. Securely install the unit into a standard equipment rack using the provided rack-mount kit. Ensure adequate ventilation space above and below the unit.
3. Collegamento elettrico: Connect the power cord to the unit's power inlet and then to a grounded 120VAC, 60Hz power outlet.
4. Connessioni di ingresso: Connect your audio sources (microphones, line-level devices) to the appropriate modular input slots. The unit supports up to 8 mic/line inputs. Refer to the specific module manuals for detailed connection instructions.
5. Connessioni di uscita: Connect your speakers or other audio destinations to the speaker output terminals (120W, 4Ω, unbalanced) or preamplifier outputs as required.
6. Moduli opzionali: If using optional modules like the ZP-001T for telephone zone paging, install them according to their respective instructions.

5. Istruzioni per l'uso

The A-9120SM2 offers flexible operation modes for various applications.

• Accensione/spegnimento: Use the power switch on the front panel to turn the unit on or off. The power indicator will illuminate when the unit is on.
• Controlli del pannello frontale:
  • Volume principale: Regola il livello di uscita generale.
  • Signal/Peak Indicators: Monitor audio signal presence and clipping. Adjust input levels to prevent the peak indicator from consistently lighting up.
  • Controlli bassi/acuti: Fine-tune the low and high frequency response of the audio output.
• DSP Configuration: The unit features a Dual Channel DSP. Configuration can be done via the front panel or, for advanced settings, using the convenient GUI programming interface (Windows). This interface allows for fast configuration and upload/download of all settings, including:
  • Equalizzatore parametrico a 10 bande
  • High and Low Pass Filters
  • Compressore
  • Loudness Contour
  • Bass and Treble Delay (MIXER mode)
  • 34 TOA Speaker EQ Presets
• Integrated Operating Modes: The A-9120SM2 supports powerful functionalities for both simple mixing and complex multi-zone paging applications. This includes:
  • Telephone Zone Paging
  • Automatic Microphone Mixing
  • Controllo del rumore ambientale
  Refer to the detailed software manual for configuration of these advanced features.

6. Manutenzione

Proper maintenance ensures the longevity and optimal performance of your A-9120SM2.

• Pulizia: Utilizzare un panno morbido e asciutto per pulire l'esterno dell'unità. Non utilizzare detergenti liquidi o spray aerosol, poiché potrebbero danneggiare la finitura o i componenti interni.
• Ventilazione: Regularly check that the ventilation openings are clear of dust and debris. Use a soft brush or compressed air to gently clean them.
• Connessioni: Controllare periodicamente tutti i collegamenti dei cavi per assicurarsi che siano saldi e privi di corrosione.
• Magazzinaggio: Se si conserva l'unità per un periodo prolungato, scollegarla dall'alimentazione e conservarla in un luogo fresco e asciutto, lontano dalla luce solare diretta e da temperature estreme.

7. Risoluzione Dei Problemi

Questa sezione affronta i problemi più comuni che potresti riscontrare. Se il problema persiste, contatta personale di assistenza qualificato.

8. Specifiche

Detailed technical specifications for the TOA A-9120SM2.

• Fonte di energia: 120VAC, 60Hz
• Consumo energetico: 150W
• Potenza nominale: 120W
• Ingresso audio: Massimo. 8 canali, costruzione modulare (moduli opzionali)
• Energia AmpIngresso lificatore: 0dB, 10kΩ, RCA pin jack
• Uscita audio:
  • Preamplifier output 1: 0dB, 300Ω, unbalanced, RCA pin jack
  • Preamplifier output 2: 0dB, 600Ω, balanced, removable terminal block (3-pin)
  • Speaker output: Removable terminal block (7 pins), (Direct) 120W, 4Ω, unbalanced
• Digital Audio Signal Reference Level: -20dBFS
• Fine: Panel: Aluminum, hair-line, black. Case: Surface-treated steel plate, black, paint
• Dimensioni (L × A × P): 420 mm × 107.6 mm × 355 mm (16.54" × 4.24" × 13.98")
• Peso: 28.66 libbre (13 kg)
• Numero di canali: 8
• Tipo di montaggio: Rackmount (2RU)

9. Informazioni sulla garanzia

TOA products are manufactured to the highest quality standards. For specific warranty terms and conditions applicable to your A-9120SM2, please refer to the warranty card included with your purchase or visit the official TOA websito. Conservare la prova d'acquisto per eventuali reclami in garanzia.

10. Supporto e contatto

For technical assistance, troubleshooting beyond this manual, or service inquiries, please contact TOA customer support or your authorized TOA dealer. You can find contact information on the official TOA websito:

www.toaelectronics.com

When contacting support, please have your product model number (A 9120SM2) and serial number ready.