1. تعارف
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. حفاظت جي ڄاڻ
Always observe the following safety precautions to prevent personal injury and property damage.
- طاقت جو ذريعو: Connect the unit only to the specified power supply (120VAC, 60Hz). Ensure the power cord is securely plugged in and not damaged.
- وينٽيليشن: وينٽيليشن جي سوراخن کي نه روڪيو. يونٽ جي چوڌاري مناسب هوا جي وهڪري کي يقيني بڻايو وڃي ته جيئن وڌيڪ گرم ٿيڻ کان بچي سگهجي.
- نمي: يونٽ کي مينهن يا نمي جي سامهون نه رکو. يونٽ تي مائع سان ڀريل شيون، جهڙوڪ گلدان، نه رکو.
- پرڏيهي شيون: Do not insert any metal objects or flammable materials into the ventilation openings.
- خدمت ڪرڻ: ھن پراڊڪٽ کي پنھنجي خدمت ڪرڻ جي ڪوشش نه ڪريو. س servني خدمتن جو حوالو ڏيو قابل سروس اهلڪارن کي.
- گرائونڊنگ: برقي جھٽڪو کي روڪڻ لاءِ مناسب گرائونڊنگ کي يقيني بڻايو وڃي.
3. پراڊڪٽ ختمview
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. سيٽ اپ
Follow these steps for proper installation and setup of your A-9120SM2 unit.
- پيڪنگ کولڻ: Carefully remove the unit from its packaging. Verify all components are present, including the rack-mount kit.
- ريڪ لڳائڻ: 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.
- پاور ڪنيڪشن: Connect the power cord to the unit's power inlet and then to a grounded 120VAC, 60Hz power outlet.
- ان پٽ ڪنيڪشن: 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.
- Connectاھر ڪنيڪشن: Connect your speakers or other audio destinations to the speaker output terminals (120W, 4Ω, unbalanced) or preamplifier outputs as required.
- اختياري ماڊلز: If using optional modules like the ZP-001T for telephone zone paging, install them according to their respective instructions.
5. آپريٽنگ هدايتون
The A-9120SM2 offers flexible operation modes for various applications.
- پاور آن / آف: 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.
- فرنٽ پينل ڪنٽرول:
- ماسٽر حجم: مجموعي محصول جي سطح کي ترتيب ڏئي ٿو.
- Signal/Peak Indicators: Monitor audio signal presence and clipping. Adjust input levels to prevent the peak indicator from consistently lighting up.
- بيس/ٽريبل ڪنٽرول: 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-بينڊ پيراميٽرڪ EQ
- High and Low Pass Filters
- ڪمپريسر
- 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
- محيطي شور ڪنٽرول
6. سار سنڀال
Proper maintenance ensures the longevity and optimal performance of your A-9120SM2.
- صفائي: 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.
- وينٽيليشن: Regularly check that the ventilation openings are clear of dust and debris. Use a soft brush or compressed air to gently clean them.
- ڪنيڪشن: وقتي طور تي سڀني ڪيبل ڪنيڪشنن کي چيڪ ڪريو ته جيئن پڪ ڪري سگهجي ته اهي محفوظ ۽ سنکنرن کان پاڪ آهن.
- اسٽوريج: جيڪڏهن يونٽ کي گهڻي عرصي تائين ذخيرو ڪري رهيا آهيو، ته ان کي بجلي کان ڌار ڪريو ۽ ان کي سڌي سج جي روشني ۽ انتهائي گرمي پد کان پري ٿڌي، سڪل جاءِ تي ذخيرو ڪريو.
7. مسئلا حل ڪرڻ
هي حصو عام مسئلن کي حل ڪري ٿو جيڪي توهان کي منهن ڏئي سگهن ٿا. جيڪڏهن مسئلو برقرار رهي، ته قابل سروس اهلڪارن سان رابطو ڪريو.
| مسئلو | ممڪن سبب | حل |
|---|---|---|
| ڪابه طاقت | Power cord disconnected; Power outlet faulty; Unit breaker tripped. | Check power cord connection; Test power outlet; Reset unit breaker (if applicable). |
| ڪوبه آواز آئوٽ | 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. |
| بگڙيل آواز | 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. |
| يونٽ overheating | Blocked ventilation; Insufficient airflow in rack. | Clear all ventilation openings; Ensure proper rack ventilation. |
8. وضاحتون
Detailed technical specifications for the TOA A-9120SM2.
- طاقت جو ذريعو: 120VAC ، 60 هز
- بجلي جو استعمال: 150W
- ماتحت پاسو 120W
- آڊيو ان پٽ: وڌ. 8 چينل، ماڊلر تعمير (ماڊيول اختياري)
- طاقت Ampلائفائر ان پٽ: 0dB, 10kΩ, RCA pin jack
- آڊيو آئوٽ:
- اڳيamplifier output 1: 0dB, 300Ω, unbalanced, RCA pin jack
- اڳيamplifier 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 ڊي بي ايف ايس
- ختم ڪر: Panel: Aluminum, hair-line, black. Case: Surface-treated steel plate, black, paint
- طول (W × H × D): 420 ملي ميٽر × 107.6 ملي ميٽر × 355 ملي ميٽر (16.54 "× 4.24" × 13.98")
- وزن: 28.66 پائونڊ (13 ڪلوگرام)
- چينلن جو تعداد: 8
- چڙهڻ جو قسم: Rackmount (2RU)
9. وارنٽي ڄاڻ
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 webسائيٽ. وارنٽي دعوائن لاءِ خريداري جو ثبوت رکو.
10. سپورٽ ۽ رابطو
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 webسائيٽ:
When contacting support, please have your product model number (A 9120SM2) and serial number ready.
