This file is a TK890 product manual, which introduces the basic features and usage methods of the product.
The manual provides essential safety instructions for the TK890, emphasizing proper grounding, avoiding moisture, and ensuring the unit is placed in a well‑ventilated area. It also details how to connect audio sources, adjust music and microphone levels, and use built‑in effects such as echo and reverb.
Further sections describe the remote‑control functions, wiring diagrams, and a full technical specification sheet, including output power, power supply requirements, dimensions and weight. The document is intended for end users and installers of the TK890 amplifier. This manual is written in Chinese.
| Output Power (RMS) | 2 × 350 W (channel) / 2 × 550 W (channel) |
|---|---|
| Power Supply | AC 200‑240 V, 50 Hz selectable |
| Fuse | F15AL/250 VAC |
| Dimensions | 510 mm × 430 mm × 190 mm |
| Input Sensitivity / Impedance (Microphone) | 0.5 mV‑100 mV, 2 kΩ |
The unit must be connected to a proper grounding terminal; an improper ground can cause electric shock.
Turn the MUSIC MASTER knob to increase or decrease the music output level.
Rotate the effect mode knob; the LCD will display “回声” for echo or “混响” for reverb.
Use an AC supply of 200‑240 V at 50 Hz (selectable) with a 250 VAC fuse.