1. Giriş
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. Güvenlik Bilgileri
Always observe the following safety precautions to prevent personal injury and property damage.
- Güç Kaynağı: Connect the unit only to the specified power supply (120VAC, 60Hz). Ensure the power cord is securely plugged in and not damaged.
- Havalandırma: Havalandırma açıklıklarını kapatmayın. Aşırı ısınmayı önlemek için ünitenin etrafında yeterli hava akışı olduğundan emin olun.
- Nem: Üniteyi yağmura veya neme maruz bırakmayın. Vazo gibi sıvı dolu nesneleri ünitenin üzerine koymayın.
- Yabancı Cisimler: Havalandırma açıklıklarına metal nesneler veya yanıcı maddeler sokmayın.
- Servis: Bu ürüne kendiniz servis vermeye çalışmayın. Tüm servis işlemleri için kalifiye servis personeline başvurun.
- Topraklama: Elektrik çarpmasını önlemek için topraklamanın uygun olduğundan emin olun.
3. Ürün Bittiview
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. Kurulum
Follow these steps for proper installation and setup of your A-9120SM2 unit.
- Paketin açılması: Carefully remove the unit from its packaging. Verify all components are present, including the rack-mount kit.
- Raf Montajı: 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.
- Güç Bağlantısı: Connect the power cord to the unit's power inlet and then to a grounded 120VAC, 60Hz power outlet.
- Giriş Bağlantıları: 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.
- Çıkış Bağlantıları: Connect your speakers or other audio destinations to the speaker output terminals (120W, 4Ω, unbalanced) or preamplifier outputs as required.
- Opsiyonel Modüller: If using optional modules like the ZP-001T for telephone zone paging, install them according to their respective instructions.
5. Kullanım Talimatları
The A-9120SM2 offers flexible operation modes for various applications.
- Güç Açma/Kapatma: 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.
- Ön Panel Kontrolleri:
- Ana ses: Genel çıktı seviyesini ayarlar.
- Signal/Peak Indicators: Monitor audio signal presence and clipping. Adjust input levels to prevent the peak indicator from consistently lighting up.
- Bas/Tiz Kontrolleri: 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 Bantlı Parametrik EQ
- High and Low Pass Filters
- Kompresör
- 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
- Ortam Gürültü Kontrolü
6. Bakım
Proper maintenance ensures the longevity and optimal performance of your A-9120SM2.
- Temizlik: 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.
- Havalandırma: Regularly check that the ventilation openings are clear of dust and debris. Use a soft brush or compressed air to gently clean them.
- Bağlantılar: Kabloların sağlam ve korozyondan arınmış olduğundan emin olmak için periyodik olarak tüm bağlantılarını kontrol edin.
- Depolamak: Üniteyi uzun süre saklayacaksanız, güç bağlantısını kesin ve doğrudan güneş ışığından ve aşırı sıcaklıklardan uzakta, serin ve kuru bir yerde saklayın.
7. Sorun Giderme
This section addresses common issues you might encounter. If the problem persists, contact qualified service personnel.
| Sorun | Olası Neden | Çözüm |
|---|---|---|
| Güç Yok | Power cord disconnected; Power outlet faulty; Unit breaker tripped. | Check power cord connection; Test power outlet; Reset unit breaker (if applicable). |
| Ses Çıkışı Yok | 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. |
| Bozuk ses | 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. |
| Ünite Aşırı Isınması | Blocked ventilation; Insufficient airflow in rack. | Clear all ventilation openings; Ensure proper rack ventilation. |
8. Özellikler
Detailed technical specifications for the TOA A-9120SM2.
- Güç Kaynağı: 120VAC, 60Hz
- Güç Tüketimi: 150W
- Beygir gücü: 120W
- Ses Girişi: Maks. 8 kanal, modüler yapı (modüller isteğe bağlı)
- Güç Amplifer Girişi: 0dB, 10kΩ, RCA pin jack
- Ses Çıkışı:
- Önamplifier output 1: 0dB, 300Ω, unbalanced, RCA pin jack
- Önamplifier 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
- Sona ermek: Panel: Aluminum, hair-line, black. Case: Surface-treated steel plate, black, paint
- Boyutlar (G × Y × D): 420 mm × 107.6 mm × 355 mm (16.54" × 4.24" × 13.98")
- Ağırlık: 28.66 pound (13 kg)
- Kanal Sayısı: 8
- Montaj Tipi: Rackmount (2RU)
9. Garanti Bilgileri
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 webSite. Satın alma belgenizi garanti talepleriniz için saklayın.
10. Destek ve İletişim
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 webalan:
When contacting support, please have your product model number (A 9120SM2) and serial number ready.
