La description
Best PA System 6 Zones Voltage Audio Power Amplifier
Feature of Best PA System 6 Zones Voltage Audio Power Amplifier
1. High-grade aluminium panel with high 2U, 6 zones.
2. Press the buttons selected to turn on the corresponding zone.
3. Built-in USB / MP3 player.
4. 4 lines of auxiliary inputs, and 3 lines of microphone inputs and 1 line of output.
5. Mic1 has forced priority function over 2 lines auxiliary.
6. Built-in alarm audio PCBA and chime can be used in an emergency.
7. With automatic detecting function, protected against short-circuit, overheating and speaker overload.
8. It has led indicating protection and buzzer alarm.
9. It is easy to use and maintain. Output Power 90W/150W/250W/350W/450W/550W/650W (facultatif) at 100V, 70V, 4-16 Ohm .
Parameter of Best PA System 6 Zones Voltage Audio Power Amplifier
| Modèle | OBT-6156 | OBT-6256 | OBT-6356 | OBT-6456 | OBT-6556 | OBT-6656 |
| Rated Power Output | 150W | 250W | 350W | 450W | 550W | 650W |
| Speaker Outputs | 70V, 100V & 4~16Ω | |||||
| Input Sensitivity & Impedance | MIC 1, 2, 3: 5mV/600Ω | |||||
| MIC 2, 3 Line Input: 775mV/10KΩ, Unbalanced RCA Screw Input | ||||||
| AUX 1, 2: 350mV/10KΩ, Unbalanced RCA Screw Input | ||||||
| Output Sensitivity & Impedance | MIX OUT: 1000mV/470Ω, Unbalanced RCA Screw Output | |||||
| Overload source electromotive force | MIC 1, 2, 3: >12dB, Unbalanced TRS Screw Input | |||||
| MIC 2, 3 Line Input: >12dB, Unbalanced RCA Screw Input | ||||||
| AUX 1,2,3,4: >20dB, Unbalanced RCA Screw Input | ||||||
| MP3: >20dB, Unbalanced Input | ||||||
| EMC: >12dB, Unbalanced DG7.62 Screw Input | ||||||
| Tone | Bass:±10dB at 100Hz | |||||
| Treble:±10dB at 10KHz | ||||||
| Frequency Response | 50Hz~16KHz(+1dB, -3dB) | |||||
| S/N Ratio | MIC 1, 2, 3: 66dB; AUX 1, 2: 80dB | |||||
| THD | 1KHz 0.5%, 1/3 Output Power Consumption | |||||
| Muting Function | MIC 1 overrides other input signals | |||||
| 0-30 dB adjustable | ||||||
| Crosstalk | ≤50dB | |||||
| Cooling | Forced air from front to rear, start built-in fan when radiator temperature reaches 45 degrees | |||||
| Protection | Over heat, over load & short circuit | |||||
| Source de courant | AC220V/50Hz | |||||
| Power Consumption | 260W | 450W | 700W | 950W | 1200W | 1600W |
| Masse | 11.87Kg | 13.74Kg | 17Kg | 17.85Kg | 19.7Kg | 20.5Kg |
| Dimensions | 484×450×88mm | |||||
| Matériel | Black aluminum panel, SPCC cold rolled chassis | |||||
