Guangzhou DUBAO Electronics Technology Co., Ltd.
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2.1 Channel Power Amplier Module DM3000 for 2 Way or 3 Way Self-Powered Loudspeakers
DM3000
DM3000 is a complete solution dedicated to 2-way or 3-way self-powered loudspeakers. Designed to meet different applications, it provides 2.1 channels with output power of 2x800W+2000W @4 Ohm. Moreover the 2.1 channels can be bridged into a powerful single 1500W+1500W@8Ohm channel in order to drive i.e. Subwoofers or Multiple Ways Cabinets with Passive Xovers. In addition, it offers a full set of added value features such as onboard DSP and RS485 connection for monitoring and control via dedicated PC software. To guarantee maximum reliability, the DM 3000 includes a highly efficient universal switch mode power supply with PFC (Power Factor Correction) which provides a total 1500W power to the 2.1 output channels. The 2.1 output stages use an advanced Class D module.
The DM 3000 includes a set of sophisticated processes for loudspeaker, implemented by the powerful M704 DSP running 96kHz/24bit [96 bits precision for the internal intermediate processes] and high performance 24bit AD/DA Converters. Processes as Noise Gate, crossover filters, parametric EQs per input and output sections, RMS compressor, Peak Limiter, alignment delay, all in all everything needed to optimize a self-powered loudspeaker. Moreover, the efficient heat dissipation system and Over-Heat protection ensure uncompromised reliability. Furthermore, the DM 3000 is also equipped with a useful Pink/White noise generator. All setup parameters.
| Number of Channels | 2.1 |
| Max Output Power @ 8 ohms | 2 x 1500W @ 8 (BTL) Ω |
| Max Output Power @ 4 ohms | 2 x 800W+2000W@ 4Ω |
| Output Circuitry | Class D - full bandwith PWM modulator with ultra low distortion |
| Output Voltage | 79Vp/ 158Vpp unloaded ( )/ Bridged154Vp/ 308Vpp unloaded ( ) |
| THD @ Rated power 4 (1kHz) Ω | <0.005% (20 Hz - 20 kHz, 8 load, 3dB below rated power) Ω |
| Signal To Noise Ratio | >120 dB (A-weighted, 20 Hz - 20 kHz, 8 load) Ω |
| Frequency Response | 20 Hz - 20 kHz ± 0,15 dB (8 load, 1 dB below rated power) Ω |
| Damping Factor | >1000 (8 load, 1kHz and below) Ω |
| Power Supply | Switch mode power supply with PFC (Power Factor Correction) and integral standby converter |
| Operating Range | Universal Mains, 85-265V |
| Consumption / Current draw and | 23 W / -A / 78.4 BTU/h (Idle) |
| Thermal dissipation @ 230 V | 39 W / -A / ----- BTU/h (I/8 max. power@4 ) Ω |
| Protections | Over-Current, Over/Under Voltage, Output DC and Over-Temperature |
