This document is about the user manual of the two-channel professional power amplifier DP3200E DP2240E DP1800E DIGISYNTHETIC. The document provides basic precautions for using the product, including grounding requirements, limitations on usage environment, volume control, etc. It also includes notes on product installation, operation, and maintenance.
This manual begins with important safety precautions, including proper grounding of the unit, keeping the amplifier away from moisture, heat sources, and ensuring the power cord and plug are correctly installed. It also outlines the recommended installation order and connection procedures for power and audio equipment.
The second part covers operation details such as channel volume controls, the grounding switch to eliminate hum, cooling fan operation, and detailed technical specifications like power output, input voltage, frequency response, THD+N, and protection functions. This manual is written in Chinese.
| Input Voltage | AC 220 V ±10 % 50‑60 Hz |
|---|---|
| Frequency Response | 20 Hz – 20 kHz (±0.5 dB) |
| THD+N | 0.08 % @ 1 kHz |
| Output Impedance | 4 Ω, 8 Ω, 16 Ω |
| Dimensions | 482 mm × 132 mm × 495 mm |
| Weight | 40 kg (DP3200E), 34 kg (DP2240E), 37 kg (DP1800E) |
The product must be grounded; the power cord and plug have safety grounding and the plug should be firmly inserted into a properly grounded outlet.
Turn on the mixing console first, then the power amplifier; turn off the amplifier before the console.
Use the grounding switch on the rear panel to separate the power ground from the signal ground.