Summary of Contents for DBZ DMi 4/2500A
- Page 1 DMi 4|2500A/DMi 4|3500A DMi 2|2000A/DMi 2|3000A/DMi 2|4000A Professional Power Amplifier User Manual...
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Page 3: Table Of Contents
Contents Safety Instruction Warnings..............2 Installation. -
Page 4: Safety Instruction
Safety Instruction Warning Installation ●Only connect the unit to an AC outlet of the type shown in this manual or on the adapter. Otherwise it might cause a fire or electric shock. ●Do not allow water to enter the unit or get it wet. Otherwise it might cause a fire or electric shock ●Do not place containers containing liquid or fine metal objects on the unit. -
Page 5: Attention
Safety Introduction Attention Installation ●Please avoid using the power amplifiers in the following cases - Exposed to splashes of oil, steam, such as near kitchen stoves, humidifiers and other places. - Unstable surfaces, such as shaking tables or bevels. - Exposure to excessive heat, such as in a window-closed car or in direct sunlight. - Exposure to high humidity or dust accumulation environment. -
Page 6: Foreword
Foreword Introduction Thank you for purchasing our power amplifier products, DMi series power amplifier has a high reliability, stability and excellent acoustic properties. All of these are designed in a compact 2U size chassis. Main Features: Amplifier Module series professional power amplifier adopts three circuit topologies of Class 2H and Class D+AB according to the power level. -
Page 7: Front Panel
Front Panel Introduction 1.Mounting Hole Used for fixing amplifiers on cabinets, easy to transport. 2.Handle Used for handling product. 3.Air slot The fan draws air from the front and exits it from the back. Do not block the intake and exhaust ports. - Page 8 Front Panel Introduction 1.Mounting Hole Used for fixing amplifiers on cabinets, easy to transport. 2.Handle Used for handling product. 3.Air slot The fan draws air from the front and exits it from the back. Do not block the intake and exhaust ports.
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Page 9: Rear Panel
Rear Panel Introduction LINK OUTPUT INPUT SENSITIVITY 0.775V 1.0V 32dB MODE CH1+/-=1+/- STEREO CH2+/-=2+/- XLR: 1= /2=+/3=- Circuit breaker BRG+/-=1+/2- PARALLEL BRIDGE GROUND AC 220V 1050W CH2+/-=1+/- LINK 2+/-=NOT USED 1. Thermal Breaker The power amplifier will disconnect the AC power supply in the event of an overload condition. Pressing the reset lever after the fault is released, it will restore the operation (reusable). - Page 10 Rear Panel Introduction 10A Circuit breaker AC 220V 1400W 1.Thermal Breaker The power amplifier will disconnect the AC power supply in the event of an overload condition. Pressing the reset lever after the fault is released, it will restore the operation (reusable). 2.Power Cable Plug into AC power socket.
- Page 11 Rear Panel Introduction Binding Post Connector Stereo/Parallel Mode: Channel 1 red (+) / black (-) Binding posts are connected respectively to the positive (+) / negative (-) terminals of speaker 1. Channel 2 red (+) / black (-) Binding posts are connected respectively to the positive (+) / negative (-) terminals of speaker 1.
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Page 12: Connectors Introduction
Connectors Introduction Binding Post Connection XLR input connector connection At the end of each speaker cable, diagram is as below: peel off the 15mm-long insulation and place Pin 1 is grounded / shielded, pin 2 is positive (+), the bare wire through the appropriate binding pin 3 is negative (-), post of the speaker. -
Page 13: Connection Mode Introduction
Connection Mode Introduction Connect the speakers as shown below. Note that the speaker impedance varies depending on the connection method and the connected speaker parameters. Be sure that the speaker impedance is not lower than the lowest value shown below. Bridge Mode The output speaker cable must be connected to the positive pole of channel 1 and the negative pole of channel 2. - Page 14 Connection Mode Introduction Connect the speakers as shown below. Note that the speaker impedance varies depending on the connection method and the connected speaker parameters. Be sure that the speaker impedance is not lower than the lowest value shown below. Bridge Mode The output speaker cable must be connected to the positive pole of channel 1 and the negative pole of channel 2.
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Page 15: Installation
Installation Stack installation In order to ensure good cooling environment, please amount power amplifiers according to below conditions Due to lots of dust in construction environment, there might be much dust in filter sponge blocking wind path. It's advised to clean sponge with high-power vacuum cleaner. -
Page 16: Specification
Technical Specifications Model DMi 2|2000A DMi 2|3000A DMi 2|4000A Max. Output Power 8 ohms per ch. (all ch.’s driven) 680Wx2 868Wx2 1300Wx2 4 ohms per ch. (all ch.’s driven)* 1100W*x2 1440W*x2 2150W*x2 2 ohms per ch. (all ch.’s driven)* 1300W*x2 1700W*x2 2600W*x2 8 ohms Bridged per ch. - Page 17 Technical Specifications Model DMi 4|2500A DMi 4|3500A Output Power 680Wx4 968Wx4 8 ohms per ch. (all ch.’s driven) 1100W*x4 1600W*x4 4 ohms per ch. (all ch.’s driven)* 1300W*x4 1900W*x4 2 ohms per ch. (all ch.’s driven) 2200W*x2 3200W*x2 8 ohms Bridged per ch. ---- ---- 4 ohms Bridged per ch.
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Page 18: Troubleshooting
Troubleshooting Possible Reasons Related Circuit Measures Failure phenomenon Short circuited Disconnect the power between amplifier Short-circuit protection cable to check if the Output Connection +/- failure is removed “PROT” indicator Please contact the Amplifier has DC output DC protection factory service center in long-time on Input signal board, Dial mode switch... -
Page 19: Warranty
Warranty Warranty range 1.We provide 1 year warranty, during this period, as a result of product materials and manufacturing process problems and failures. When verification is true, the company offers free repair and replacement devices. . The following cases are not in the free maintenance range: A.
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