1. Introduzzjoni
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. Informazzjoni dwar is-Sigurtà
Always observe the following safety precautions to prevent personal injury and property damage.
- Sors tal-Enerġija: Connect the unit only to the specified power supply (120VAC, 60Hz). Ensure the power cord is securely plugged in and not damaged.
- Ventilazzjoni: Timblokkax il-fetħiet tal-ventilazzjoni. Kun żgur li jkun hemm fluss tal-arja adegwat madwar l-unità biex tevita li tisħon iżżejjed.
- Umdità: Tesponix l-unità għax-xita jew għall-umdità. Tpoġġix oġġetti mimlija b'likwidi, bħal vażuni, fuq l-unità.
- Oġġetti Barranin: Do not insert any metal objects or flammable materials into the ventilation openings.
- Servizzi: Tippruvax isservi dan il-prodott int stess. Irreferi l-manutenzjoni kollha lil persunal tas-servizz kwalifikat.
- L-ertjar: Żgura ertjar xieraq biex tevita xokk elettriku.
3. Prodott Aktarview
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. Setup
Follow these steps for proper installation and setup of your A-9120SM2 unit.
- Spakkjar: Carefully remove the unit from its packaging. Verify all components are present, including the rack-mount kit.
- Immuntar fuq l-ixtilliera: 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.
- Konnessjoni tal-Enerġija: Connect the power cord to the unit's power inlet and then to a grounded 120VAC, 60Hz power outlet.
- Konnessjonijiet tad-dħul: 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.
- Konnessjonijiet tal-Ħruġ: Connect your speakers or other audio destinations to the speaker output terminals (120W, 4Ω, unbalanced) or preamplifier outputs as required.
- Moduli mhux obbligatorji: If using optional modules like the ZP-001T for telephone zone paging, install them according to their respective instructions.
5. Istruzzjonijiet Operattivi
The A-9120SM2 offers flexible operation modes for various applications.
- Power On/Off: 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.
- Kontrolli tal-Panew ta' Quddiem:
- Volum Master: Jaġġusta l-livell tal-produzzjoni ġenerali.
- Signal/Peak Indicators: Monitor audio signal presence and clipping. Adjust input levels to prevent the peak indicator from consistently lighting up.
- Kontrolli tal-Bass/Treble: 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:
- 10-Band Parametriku EQ
- High and Low Pass Filters
- Kompressur
- 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
- Kontroll tal-Istorbju Ambjentali
6. Manutenzjoni
Proper maintenance ensures the longevity and optimal performance of your A-9120SM2.
- Tindif: Use a soft, dry cloth to clean the exterior of the unit. Do not use liquid cleaners or aerosol sprays, as they may damage the finish or internal components.
- Ventilazzjoni: Regularly check that the ventilation openings are clear of dust and debris. Use a soft brush or compressed air to gently clean them.
- Konnessjonijiet: Iċċekkja perjodikament il-konnessjonijiet tal-kejbil kollha biex tiżgura li huma sikuri u ħielsa mill-korrużjoni.
- Ħażna: Jekk se taħżen l-unità għal perjodu estiż, skonnettjaha mill-elettriku u aħżenha f'post frisk u niexef 'il bogħod mix-xemx diretta u minn temperaturi estremi.
7 Issolvi l-problemi
This section addresses common issues you might encounter. If the problem persists, contact qualified service personnel.
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| Ebda Qawwa | Power cord disconnected; Power outlet faulty; Unit breaker tripped. | Check power cord connection; Test power outlet; Reset unit breaker (if applicable). |
| Ebda Output tal-Ħoss | Master volume too low; Input source not connected or faulty; Speaker connections loose; DSP settings incorrect. | Increase master volume; Verify input source and connections; Check speaker wiring; Review DSP settings via GUI. |
| Ħoss Mgħawġ | Input level too high (clipping); Speaker impedance mismatch; Faulty cables. | Reduce input level (monitor peak indicator); Ensure speaker impedance matches unit specifications; Replace faulty cables. |
| Unità Saħħan iżżejjed | Blocked ventilation; Insufficient airflow in rack. | Clear all ventilation openings; Ensure proper rack ventilation. |
8. Speċifikazzjonijiet
Detailed technical specifications for the TOA A-9120SM2.
- Sors tal-Enerġija: 120VAC, 60Hz
- Konsum tal-Enerġija: 150W
- Riżultat nominali: 120W
- Input Awdjo: Max. 8 kanali, kostruzzjoni modulari (moduli mhux obbligatorji)
- Qawwa AmpInput ta' lifier: 0dB, 10kΩ, RCA pin jack
- Output Awdjo:
- 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
- Temm: Panel: Aluminum, hair-line, black. Case: Surface-treated steel plate, black, paint
- Dimensjonijiet (W × H × D): 420mm × 107.6mm × 355mm (16.54" × 4.24" × 13.98")
- Piż: 28.66 liri (13 kg)
- Numru ta' kanali: 8
- Tip ta 'Immuntar: Rackmount (2RU)
9. Informazzjoni dwar Garanzija
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 websit. Żomm il-prova tax-xiri tiegħek għal talbiet ta' garanzija.
10. Appoġġ u Kuntatt
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 websit:
When contacting support, please have your product model number (A 9120SM2) and serial number ready.
