1. Destpêk
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. Agahiyên Ewlekariyê
Always observe the following safety precautions to prevent personal injury and property damage.
- Çavkaniya hêzê: Connect the unit only to the specified power supply (120VAC, 60Hz). Ensure the power cord is securely plugged in and not damaged.
- Perwanekirin: Deriyên hewakirinê negirin. Ji bo rêgirtina li germbûna zêde, li dora cîhazê herikîna hewayê ya têr peyda bikin.
- Şilî: Amûrê li ber baran an şilbûnê nehêlin. Tiştên tijî şilekan, wek vazoyan, li ser amûrê nexin.
- Tiştên biyanî: Do not insert any metal objects or flammable materials into the ventilation openings.
- Xizmetkirin: Hewl nedin ku hûn vê hilberê bixwe xizmet bikin. Hemî servîskirinê bişînin karmendên karûbarê jêhatî.
- Erdkirin: Ji bo pêşîlêgirtina şoka elektrîkê, zemînek rast bicîh bikin.
3. Hilbera Serîview
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. Sazkirin
Follow these steps for proper installation and setup of your A-9120SM2 unit.
- Vekirin: Carefully remove the unit from its packaging. Verify all components are present, including the rack-mount kit.
- Rack Mounting: 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.
- Têkiliya Hêzê: Connect the power cord to the unit's power inlet and then to a grounded 120VAC, 60Hz power outlet.
- Têkiliyên Têketinê: 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.
- Têkiliyên Derketinê: Connect your speakers or other audio destinations to the speaker output terminals (120W, 4Ω, unbalanced) or preamplifier outputs as required.
- Modulên Bijarî: If using optional modules like the ZP-001T for telephone zone paging, install them according to their respective instructions.
5. Telîmatên Operating
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.
- Kontrolên Panela Pêşî:
- Volume Master: Asta hilberîna giştî eyar dike.
- Signal/Peak Indicators: Monitor audio signal presence and clipping. Adjust input levels to prevent the peak indicator from consistently lighting up.
- Kontrolên 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 Parametrîk EQ
- High and Low Pass Filters
- Compressor
- 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
- Ambient Noise Control
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your A-9120SM2.
- Paqijî: Ji bo paqijkirina derveyî cîhazê qumaşek nerm û hişk bikar bînin. Paqijkerên şile an spreyên aerosol bikar neynin, ji ber ku ew dikarin zirarê bidin rûpûş an pêkhateyên hundurîn.
- Perwanekirin: Regularly check that the ventilation openings are clear of dust and debris. Use a soft brush or compressed air to gently clean them.
- Têkilî: Ji bo ku piştrast bibin ku ew bi ewlehî û bê korozyon in, hemî girêdanên kabloyan bi awayekî periyodîk kontrol bikin.
- Embarkirinî: Ger amûrê ji bo demek dirêj hilînin, wê ji elektrîkê veqetînin û li cîhek sar, hişk û dûr ji tîrêjên rojê yên rasterast û germahiyên zêde hilînin.
7. Destpêkirin
This section addresses common issues you might encounter. If the problem persists, contact qualified service personnel.
| Pirsegirêk | Sedema gengaz | Çare |
|---|---|---|
| Hêz tune | Power cord disconnected; Power outlet faulty; Unit breaker tripped. | Check power cord connection; Test power outlet; Reset unit breaker (if applicable). |
| Hilberîna Deng tune | 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. |
| Dengê Distorted | 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. |
| Unit Overgerim | Blocked ventilation; Insufficient airflow in rack. | Clear all ventilation openings; Ensure proper rack ventilation. |
8. Specifications
Detailed technical specifications for the TOA A-9120SM2.
- Çavkaniya hêzê: 120VAC, 60Hz
- Xerca hêzê: 150W
- Derheqê Rated: 120W
- Ketina Deng: Max. 8 kanal, avakirina modular (modulên vebijarkî)
- Erk AmpKetina lifier: 0dB, 10kΩ, RCA pin jack
- Derketina Deng:
- 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
- Qedandin: Panel: Aluminum, hair-line, black. Case: Surface-treated steel plate, black, paint
- Pîvan (W × H × D): 420mm × 107.6mm × 355mm (16.54" × 4.24" × 13.98")
- Pîvan: 28.66 pound (13 kg)
- Hejmara Kanal: 8
- Tîpa sazkirinê: Rackmount (2RU)
9. Agahdariya Garantiyê
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 webmalper. Delîla kirîna xwe ji bo îdiayên garantiyê biparêzin.
10. Piştgirî û Têkilî
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 webmalper:
When contacting support, please have your product model number (A 9120SM2) and serial number ready.
