1. Ievads
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. Drošības informācija
Always observe the following safety precautions to prevent personal injury and property damage.
- Barošanas avots: Connect the unit only to the specified power supply (120VAC, 60Hz). Ensure the power cord is securely plugged in and not damaged.
- Ventilācija: Neaizbloķējiet ventilācijas atveres. Nodrošiniet pietiekamu gaisa cirkulāciju ap ierīci, lai novērstu pārkaršanu.
- Mitrums: Nepakļaujiet ierīci lietum vai mitrumam. Nenovietojiet uz ierīces ar šķidrumu pildītus priekšmetus, piemēram, vāzes.
- Ārzemju objekti: Neievietojiet ventilācijas atverēs metāla priekšmetus vai viegli uzliesmojošus materiālus.
- Apkope: Nemēģiniet apkalpot šo produktu pats. Visu apkopi uzticiet kvalificētam servisa personālam.
- Zemējums: Nodrošiniet pareizu zemējumu, lai novērstu elektriskās strāvas triecienu.
3. Produkts beidziesview
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. Iestatīšana
Follow these steps for proper installation and setup of your A-9120SM2 unit.
- Izpakošana: Carefully remove the unit from its packaging. Verify all components are present, including the rack-mount kit.
- Plauktu montāža: 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.
- Strāvas pieslēgums: Connect the power cord to the unit's power inlet and then to a grounded 120VAC, 60Hz power outlet.
- Ievades savienojumi: 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.
- Izvades savienojumi: Connect your speakers or other audio destinations to the speaker output terminals (120W, 4Ω, unbalanced) or preamplifier izejas pēc nepieciešamības.
- Izvēles moduļi: If using optional modules like the ZP-001T for telephone zone paging, install them according to their respective instructions.
5. Lietošanas instrukcijas
The A-9120SM2 offers flexible operation modes for various applications.
- Ieslēgšana/izslēgšana: 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.
- Priekšējā paneļa vadības ierīces:
- Galvenais skaļums: Pielāgo kopējo izejas līmeni.
- Signal/Peak Indicators: Monitor audio signal presence and clipping. Adjust input levels to prevent the peak indicator from consistently lighting up.
- Basa/augstas frekvences vadība: 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 joslu parametriskais ekvalaizers
- High and Low Pass Filters
- Kompresors
- 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
- Apkārtējā trokšņa kontrole
6. Apkope
Proper maintenance ensures the longevity and optimal performance of your A-9120SM2.
- Tīrīšana: Ierīces ārpuses tīrīšanai izmantojiet mīkstu, sausu drānu. Nelietojiet šķidrus tīrīšanas līdzekļus vai aerosola aerosolus, jo tie var sabojāt apdari vai iekšējās sastāvdaļas.
- Ventilācija: Regularly check that the ventilation openings are clear of dust and debris. Use a soft brush or compressed air to gently clean them.
- Savienojumi: Periodiski pārbaudiet visus kabeļu savienojumus, lai pārliecinātos, ka tie ir droši un bez korozijas.
- Uzglabāšana: Ja ierīci ilgstoši uzglabāsiet, atvienojiet to no strāvas un uzglabājiet vēsā, sausā vietā, pasargājot no tiešiem saules stariem un ekstremālām temperatūrām.
7. Traucējummeklēšana
This section addresses common issues you might encounter. If the problem persists, contact qualified service personnel.
| Problēma | Iespējamais cēlonis | Risinājums |
|---|---|---|
| Nav spēka | Power cord disconnected; Power outlet faulty; Unit breaker tripped. | Check power cord connection; Test power outlet; Reset unit breaker (if applicable). |
| Nav skaņas izvades | 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. |
| Izkropļota skaņa | 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. |
| Iekārtas pārkaršana | Blocked ventilation; Insufficient airflow in rack. | Clear all ventilation openings; Ensure proper rack ventilation. |
8. Specifikācijas
Detailed technical specifications for the TOA A-9120SM2.
- Barošanas avots: 120VAC, 60Hz
- Enerģijas patēriņš: 150W
- Nominālā izlaide: 120W
- Audio ieeja: Maks. 8 kanāli, modulāra konstrukcija (moduļi pēc izvēles)
- Jauda Amppacēlāja ievade: 0dB, 10kΩ, RCA pin jack
- Audio izvade:
- Iepriekšamplifier output 1: 0dB, 300Ω, unbalanced, RCA pin jack
- Iepriekšamplifier 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: -20 dBFS
- Pabeigt: Panel: Aluminum, hair-line, black. Case: Surface-treated steel plate, black, paint
- Izmēri (W × H × D): 420 mm × 107.6 mm × 355 mm (16.54 collas × 4.24 collas × 13.98 collas)
- Svars: 28.66 mārciņas (13 kg)
- Kanālu skaits: 8
- Montāžas veids: Rackmount (2RU)
9. Informācija par garantiju
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 webvietne. Saglabājiet pirkuma apliecinājumu garantijas prasību iesniegšanai.
10. Atbalsts un kontaktinformācija
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 webvietne:
When contacting support, please have your product model number (A 9120SM2) and serial number ready.
