Juice Series is a stereo power amplifier by TAPCO, which excels in power, reliability, and price. It passes rigorous testing and features low noise, low distortion design, and various input and output interfaces. Safety precautions include waterproofing, heat resistance, and proper power connection.
This manual covers the TAPCO Juice Series stereo power amplifiers (J•800, J•1400, J•2500). It describes the main technical features, safety precautions, and system configuration for stereo, mono, and bridge modes.
The document includes detailed wiring diagrams, panel and rear‑panel functions, power specifications, and a troubleshooting guide for common issues such as no sound, overload, and protection trips. This manual is written in Chinese.
| Frequency Response | 5 Hz – 50 kHz (+0, –3 dB) |
|---|---|
| Total Harmonic Distortion | < 0.03 % @ 8Ω, 20 Hz‑20 kHz |
| Signal‑to‑Noise Ratio | > 100 dB @ 4Ω |
| Input Impedance | 20 kΩ balanced, 10 kΩ unbalanced |
| Gain | 30 dB / 32 dB / 34 dB |
| Maximum Input Level | 9.75 Vrms (+22 dBu) |
| Low‑Cut Filter Attenuation | -9 dB @ 30 Hz |
| Amplifier Type | AB class |
| Dimensions (H×W×D) | 89 mm × 483 mm × 400 mm |
| Weight | 19.8 kg – 25.5 kg |
Select the STEREO mode on the amplifier mode switch and connect the left and right inputs to the appropriate channels as described in the system setup steps.
The red OL LED flashes when the output signal reaches its maximum limit or is about to clip, indicating overload or distortion.
Check that the power LED is on, the input level knobs are turned up, the signal source is active, and the correct input channel is selected; also verify speaker connections and mode settings.