1. المقدمة
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. معلومات السلامة
Always observe the following safety precautions to prevent personal injury and property damage.
- مصدر الطاقة: Connect the unit only to the specified power supply (120VAC, 60Hz). Ensure the power cord is securely plugged in and not damaged.
- تهوية: لا تسد فتحات التهوية. تأكد من تدفق الهواء الكافي حول الجهاز لمنع ارتفاع درجة حرارته.
- رُطُوبَة: لا تُعرِّض الجهاز للمطر أو الرطوبة. لا تضع عليه أي أغراض مملوءة بالسوائل، مثل المزهريات.
- الأجسام الغريبة: Do not insert any metal objects or flammable materials into the ventilation openings.
- الخدمة: لا تحاول خدمة هذا المنتج بنفسك. قم بإحالة جميع أعمال الصيانة إلى أفراد الخدمة المؤهلين.
- التأريض: تأكد من التأريض المناسب لمنع حدوث صدمة كهربائية.
3. انتهى المنتجview
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. الإعداد
Follow these steps for proper installation and setup of your A-9120SM2 unit.
- فك التعبئة: Carefully remove the unit from its packaging. Verify all components are present, including the rack-mount kit.
- تصاعد الرف: 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.
- توصيل الطاقة: Connect the power cord to the unit's power inlet and then to a grounded 120VAC, 60Hz power outlet.
- توصيلات الإدخال: 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.
- اتصالات الإخراج: Connect your speakers or other audio destinations to the speaker output terminals (120W, 4Ω, unbalanced) or preamplifier outputs as required.
- الوحدات الاختيارية: If using optional modules like the ZP-001T for telephone zone paging, install them according to their respective instructions.
5. تعليمات التشغيل
The A-9120SM2 offers flexible operation modes for various applications.
- تشغيل/إيقاف التشغيل: 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.
- ضوابط اللوحة الأمامية:
- الحجم الرئيسي: يضبط مستوى الإخراج الكلي.
- Signal/Peak Indicators: Monitor audio signal presence and clipping. Adjust input levels to prevent the peak indicator from consistently lighting up.
- مفاتيح التحكم في مستوى الصوت الجهير/الصوت الحاد: 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:
- معادل صوت بارامتري بخمس نطاقات
- High and Low Pass Filters
- ضاغط
- 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
- التحكم في الضوضاء المحيطة
6. الصيانة
Proper maintenance ensures the longevity and optimal performance of your A-9120SM2.
- تنظيف: استخدم قطعة قماش ناعمة وجافة لتنظيف الجزء الخارجي من الجهاز. تجنب استخدام المنظفات السائلة أو البخاخات، لأنها قد تُلحق الضرر بالطلاء أو المكونات الداخلية.
- تهوية: Regularly check that the ventilation openings are clear of dust and debris. Use a soft brush or compressed air to gently clean them.
- الاتصالات: قم بفحص جميع توصيلات الكابلات بشكل دوري للتأكد من أنها آمنة وخالية من التآكل.
- تخزين: إذا كنت ستقوم بتخزين الوحدة لفترة طويلة، فافصلها عن الطاقة وقم بتخزينها في مكان بارد وجاف بعيدًا عن أشعة الشمس المباشرة ودرجات الحرارة القصوى.
7. استكشاف الأخطاء وإصلاحها
This section addresses common issues you might encounter. If the problem persists, contact qualified service personnel.
| مشكلة | السبب المحتمل | حل |
|---|---|---|
| لا يوجد طاقة | Power cord disconnected; Power outlet faulty; Unit breaker tripped. | Check power cord connection; Test power outlet; Reset unit breaker (if applicable). |
| لا يوجد مخرج صوت | 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. |
| صوت مشوه | 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. |
| ارتفاع درجة حرارة الوحدة | Blocked ventilation; Insufficient airflow in rack. | Clear all ventilation openings; Ensure proper rack ventilation. |
8. المواصفات
Detailed technical specifications for the TOA A-9120SM2.
- مصدر الطاقة: 120VAC ، 60Hz
- استهلاك الطاقة: 150 واط
- تصنيف الإخراج: 120 واط
- مدخل الصوت: الأعلى. 8 قنوات، بناء وحدات (وحدات اختيارية)
- قوة Ampإدخال مكبر الصوت: 0dB, 10kΩ, RCA pin jack
- مخرج الصوت:
- قبلamplifier output 1: 0dB, 300Ω, unbalanced, RCA pin jack
- قبلamplifier 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 ديسيبل
- ينهي: Panel: Aluminum, hair-line, black. Case: Surface-treated steel plate, black, paint
- الأبعاد (عرض × ارتفاع × عمق): 420 مم × 107.6 مم × 355 مم (16.54 بوصة × 4.24 بوصة × 13.98 بوصة)
- وزن: 28.66 رطل (13 كجم)
- عدد القنوات: 8
- نوع التركيب: Rackmount (2RU)
9. معلومات الضمان
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 webالموقع. احتفظ بإثبات الشراء الخاص بك لتقديم مطالبات الضمان.
10. الدعم والاتصال
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 webموقع:
When contacting support, please have your product model number (A 9120SM2) and serial number ready.
