1. परिचय
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. सुरक्षितता माहिती
Always observe the following safety precautions to prevent personal injury and property damage.
- उर्जा स्त्रोत: Connect the unit only to the specified power supply (120VAC, 60Hz). Ensure the power cord is securely plugged in and not damaged.
- वायुवीजन: वायुवीजन उघड्या जागा अडवू नका. जास्त गरम होण्यापासून रोखण्यासाठी युनिटभोवती पुरेसा वायुप्रवाह सुनिश्चित करा.
- ओलावा: युनिटला पाऊस किंवा ओलावा येऊ देऊ नका. युनिटवर फुलदाण्यांसारख्या द्रवपदार्थांनी भरलेल्या वस्तू ठेवू नका.
- परदेशी वस्तू: Do not insert any metal objects or flammable materials into the ventilation openings.
- सर्व्हिसिंग: या उत्पादनाची स्वतः सेवा करण्याचा प्रयत्न करू नका. पात्र सेवा कर्मचाऱ्यांना सर्व सेवांचा संदर्भ द्या.
- ग्राउंडिंग: इलेक्ट्रिक शॉक टाळण्यासाठी योग्य ग्राउंडिंगची खात्री करा.
3. उत्पादन संपलेview
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. सेटअप
Follow these steps for proper installation and setup of your A-9120SM2 unit.
- अनपॅक करणे: Carefully remove the unit from its packaging. Verify all components are present, including the rack-mount kit.
- रॅक माउंटिंग: 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.
- वीज कनेक्शन: Connect the power cord to the unit's power inlet and then to a grounded 120VAC, 60Hz power outlet.
- इनपुट कनेक्शन: 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.
- आउटपुट कनेक्शन: Connect your speakers or other audio destinations to the speaker output terminals (120W, 4Ω, unbalanced) or preamplifier outputs as required.
- पर्यायी मॉड्यूल: If using optional modules like the ZP-001T for telephone zone paging, install them according to their respective instructions.
5. ऑपरेटिंग सूचना
The A-9120SM2 offers flexible operation modes for various applications.
- पॉवर चालू/बंद: 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.
- फ्रंट पॅनल नियंत्रणे:
- मास्टर व्हॉल्यूम: एकूण आउटपुट पातळी समायोजित करते.
- Signal/Peak Indicators: Monitor audio signal presence and clipping. Adjust input levels to prevent the peak indicator from consistently lighting up.
- बास/ट्रेबल नियंत्रणे: 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:
- ५-बँड पॅरामीट्रिक EQ
- High and Low Pass Filters
- कंप्रेसर
- 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
- सभोवतालचे आवाज नियंत्रण
6. देखभाल
Proper maintenance ensures the longevity and optimal performance of your A-9120SM2.
- स्वच्छता: युनिटचा बाहेरील भाग स्वच्छ करण्यासाठी मऊ, कोरडा कापड वापरा. लिक्विड क्लीनर किंवा एरोसोल स्प्रे वापरू नका, कारण ते फिनिश किंवा अंतर्गत घटकांना नुकसान पोहोचवू शकतात.
- वायुवीजन: Regularly check that the ventilation openings are clear of dust and debris. Use a soft brush or compressed air to gently clean them.
- कनेक्शन: सर्व केबल कनेक्शन सुरक्षित आणि गंजमुक्त आहेत याची खात्री करण्यासाठी वेळोवेळी तपासा.
- स्टोरेज: जर युनिट जास्त काळ साठवून ठेवत असाल, तर ते वीज बंद करा आणि थेट सूर्यप्रकाश आणि अति तापमानापासून दूर थंड, कोरड्या जागी ठेवा.
7. समस्या निवारण
This section addresses common issues you might encounter. If the problem persists, contact qualified service personnel.
| समस्या | संभाव्य कारण | उपाय |
|---|---|---|
| शक्ती नाही | Power cord disconnected; Power outlet faulty; Unit breaker tripped. | Check power cord connection; Test power outlet; Reset unit breaker (if applicable). |
| ध्वनी आउटपुट नाही | 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. |
| विकृत आवाज | 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. |
| युनिट ओव्हरहाटिंग | Blocked ventilation; Insufficient airflow in rack. | Clear all ventilation openings; Ensure proper rack ventilation. |
8. तपशील
Detailed technical specifications for the TOA A-9120SM2.
- उर्जा स्त्रोत: 120VAC, 60 हर्ट्ज
- वीज वापर: 150W
- रेट आउटपुटः 120W
- ऑडिओ इनपुट: कमाल 8 चॅनेल, मॉड्यूलर बांधकाम (मॉड्यूल पर्यायी)
- शक्ती Ampलाइफायर इनपुट: 0dB, 10kΩ, RCA pin jack
- ऑडिओ आउटपुट:
- प्रीamplifier output 1: 0dB, 300Ω, unbalanced, RCA pin jack
- प्रीamplifier 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 डीबीएफएस
- समाप्त: Panel: Aluminum, hair-line, black. Case: Surface-treated steel plate, black, paint
- परिमाण (डब्ल्यू × एच × डी): 420mm × 107.6mm × 355mm (16.54" × 4.24" × 13.98")
- वजन: 28.66 पौंड (13 किलो)
- चॅनेलची संख्या: 8
- माउंटिंग प्रकार: Rackmount (2RU)
9. वॉरंटी माहिती
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 webसाइट. वॉरंटी दाव्यांसाठी तुमचा खरेदीचा पुरावा ठेवा.
१०. समर्थन आणि संपर्क
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 webसाइट:
When contacting support, please have your product model number (A 9120SM2) and serial number ready.
