HiVi DM-8231 Graphic Equalizer Manual

The HiVi DM-8231 graphic equalizer manual provides safety guidelines, installation steps, specifications, and troubleshooting for this audio device.


HiVi DM-8231 Graphic Equalizer Manual - cover page
Brand
HiVi
Category
audio amplifier
Document type
User Manual
Language
Chinese
Pages
6
File format
PDF
File size
924 KB
Published
03 October, 2026
Updated
03 October, 2026
MD5 checksum
57B6C533CFDDCB0B8B7C53E5C7AB4C30

About this manual

This manual covers important safety instructions, detailed installation procedures, and connection guidelines for the HiVi DM-8231 graphic equalizer. It explains the physical layout, connector types, and recommended power requirements, ensuring proper setup and reliable operation.

The document also includes full technical specifications, typical applications, and a troubleshooting section that helps resolve common issues such as no audio output or unwanted noise. Harmful substance information and environmental disposal guidelines are provided as well. This manual is written in Chinese.

What's inside

  • Important Safety Guidelines
  • Equalizer Overview
  • Connectors and Cables
  • Unbalanced Interface and Grounding
  • Physical Description
  • Installation
  • Typical Applications
  • Troubleshooting
  • Dimensions
  • Specifications

Specifications

Input Impedance20 kΩ
Source Output Impedance10 kΩ
Connector Types1/4" TRS, XLR, Euroblock
Frequency Response20 Hz–20 kHz, ±0.25 dB
THD<0.01 % @ +20 dBu
Channel Separation>95 dB @ 1 kHz
Power Supply Voltage100–240 VAC, 50–60 Hz
Dimensions (L×W×H)19" × 5.25" × 8"

Frequently asked questions

What connectors are provided on the DM-8231?

The equalizer offers 1/4" TRS, XLR, and Euroblock connectors for input and output.

What power supply voltage should be used?

Connect the unit to a standard 100‑240 VAC, 50‑60 Hz mains supply.

How can I troubleshoot no audio output?

Check that the power LED is on, verify input and output cables are correctly connected and not reversed, ensure a signal is present, and confirm the main EQ switch is on.

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