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Help CenterPA Amplifiers Public Address System Tube Amplifier 450w, Multizones Amplifier for BGM System
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PA Amplifiers Public Address System Tube Amplifier 450w, multizones amplifier for BGM system
Product picture
Rear Panel
Application:
Used for every public place: Shopping center, School, Airport, Raillway stataion, Building, Mining pool,
Residential area, highway, toll plaza,Factory,Supermarket,Parking,Stadium,Mountain etc.
Features:
2U standard 19-inch industrial chassis, ergonomic design, sophisticated technology, filling with the high-grade temperament;
3 channels of MICs, 2 channels of audio inputs, an auxiliary audio output;
Forcibly cutting priority function, Mic 1 has the highest priority, the other channels have second priorities;
2 channels of Mic Line Inputs (sensitivity of MIC2/MIC3 channel line inputis 775mv);
Mic and Aux have volume control knob and treble, bass tone control knob;
Amplifier output comes with four partitions, you can select the partition state;
The device has a good short circuit, overheat, overload automatic detect and protect function, the indicator will light to warm, warning buzzerwill ring to alarm;
Linking two machines can achieve independent volume control for each channel for eight partition, as well as three machines can achieve independent volume control for each channel for twelve partition ,and so forth;
2 kinds of power output modes: constant voltage output 100V, 70V and constant resistance output 4~16Ω.,4 partition output modes: constant voltage output 100V
Technical parameters:
Model |
OBT-6154 |
OBT-6254 |
OBT-6354 |
OBT-6454 |
OBT-6554 |
OBT-6654 |
Rated Power Output |
150W |
250W |
350W |
450W |
550W |
650W |
Speaker Outputs |
70V, 100V & 4~16Ω |
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Input Sensitivity & Impedance |
MIC 1, 2, 3: 5mV/600Ω |
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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 |
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Overloadsourceelectromotive force |
MIC 1, 2, 3: >12dB, Unbalanced TRS Screw Input |
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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 |
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Treble:±10dB at 10KHz | ||||||
Frequency Response |
50Hz~16KHz(+1dB, -3dB) |
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S/N Ratio |
MIC 1, 2, 3: 66dB; AUX 1, 2: 80dB |
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THD |
1KHz 0.5%, 1/3 Output Power Consumption |
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Muting Function |
MIC 1 overrides other input signals |
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0-30 dB adjustable | ||||||
Crosstalk |
≤50dB |
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Cooling |
Forced air from front to rear, start built-in fan when radiator temperature reaches 45 degrees |
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Protection |
Over heat, over load & short circuit |
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Power Supply |
AC220V/50Hz |
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Power Consumption |
260W |
450W |
700W |
950W |
1200W |
1600W |
Weight |
12.1Kg |
14.47Kg |
17.32Kg |
18.3Kg |
20.4Kg |
21.1Kg |
Dimensions |
525×525×170mm |
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Material |
Black aluminum panel, SPCC cold rolled chassis |
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Lead time:
Sample: In stock
Mass production: 5 working days
Company Pictures 1 for office:
Company Pictures 2 for workshop:
Certification 1 for License and Pantents:
Certification 2 for Products:
Real Projects Connection Diagram:
How to start to make business with us?
Service:
Good Service:
1. Professional sales reply you enquiry in 24Hrs
2. Feedback of complaint in 24Hrs
3. OEM/ODM are welcomed
4. 2 years Warranty
Warranty:
1. All products have been strictly Quality Checked before packing.
2. All products have been well packed before shipping.
3. All products with 2 years warranty.
After Sales Service:
1. We are always online to solve all your request.
2. Any faulty product, we can send replacement to you freely
3. To ensure your receive the order tax free upon import, we are willing to declare lower value.
Shipping:
How to contact with us:
Send Inquiry to This Supplier
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