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T-4120DSA/ T-4240DSA 4-Channel Power Amplifier (Phone Jack MIC Input)
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T-120CA
Mini Digital Class-D Mixer Amplifier
PA Systems — Public Address · Class-D Power Amplifier
Features
- Professional power amplifier with preamplifier.
- Provide regional power amplification for the PA system, suitable for large, medium and small places of broadcasting amplification.
- 2 microphone inputs, MIC1 has the highest priority function.
- 2 AUX inputs, 1 EMC/TEL input.
- 1 line output can be connected to power amplifier to expand power.
- Each channel can independently adjust the volume.
- With mute adjustment knob.
- The emergency input line has the highest priority, with override function, and independent adjustment of treble and bass.
- 2 kinds of power output modes: constant voltage output 100V, 70V; constant resistance output 4 ~ 16Ω.
- The self-developed high-efficiency and ultra-stable half-bridge switching power supply technology is perfectly combined with the high-energy and energy-saving design of the self-improved version of the Class D power amplifier.
- 180-240V wide power supply/24V power supply.
Technical specifications
| Rated Power Output | 120W |
|---|---|
| Speaker Output | 70V, 100V & 4~16Ω |
| Input Sensitivity & Impedance | MIC1, 2: 5mV/600Ω, unbalanced TRS terminal |
| AUX 1, 2: 350mV/10KΩ, unbalanced RCA terminal | |
| EMC: 775mV/10KΩ, unbalanced DG7.62 terminal | |
| Output Sensitivity & Impedance | OUT: 1000mV/470Ω, unbalanced RCA terminal |
| Tone | Bass: ±10dB at 100Hz |
| Treble: ±10dB at 10kHz | |
| Frequency Response | 50Hz~16kHz(+1dB, -3dB) |
| SNR | MIC 1, 2, 3: 66dB, AUX 1, 2: 80dB |
| THD | 0.5% at 1KHz, 1/3 output power |
| Mute Function | MIC 1 takes priority over other channels |
| 0-30 dB adjustable | |
| Channel Crosstalk Attenuation | ≤50dB |
| Heat Dissipation | Natural heat dissipation |
| Protection | High temp, overload & short-circuit |
| Power Supply | ~220V 50Hz |
| Power Consumption | 180W |
| Weight | 4.65kg |
| Dimensions | 215×275×66mm |
