PASSIVE DI BOX
The AM422 is a passive DI box designed for seamless signal conversion without needing an external power source, such as phantom power or batteries. It effectively transforms high-impedance instrument signals—like those from electric guitars and pianos—into low-impedance balanced signals, ensuring compatibility with PA and recording systems while preventing signal loss and noise interference.
Product Description
Functionality:
Converts high-impedance instrument signals to low-impedance balanced outputs, facilitating optimal performance in professional audio setups.
Impedance Matching:
Prevents signal loss during transmission, enhancing sound quality and clarity.
Noise Reduction:
Balances unbalanced signals to minimize noise, particularly beneficial for long-distance cable runs.
Ground Lift:
Features a ground lift option to eliminate hum caused by ground loops between input and output.
Merge Function:
Allows for the switching of the THRU output to input, enabling the combination of stereo inputs (e.g., keyboards) into a balanced mono output.
The AM422 passive DI box is an essential tool for musicians and audio professionals seeking reliable signal management and high-quality sound without the hassle of external power requirements.
| Model | AM 422 |
| Power Source | PASSIVE |
| Frequency Response Range (-) | 20 Hz(+/-0.1 dB) |
| Frequency Response Range (+) | 20k Hz(+/-0.1 dB) |
| THD+Noise (0dBu input) | 0.05% @ 20 Hz, 0.003% @ 1k Hz |
| Max input level (PAD closed) | +17 dBu @20 Hz (0.5%THD) |
| Max output level | -3 dBu @20 Hz(0.5% THD) |
| Input/output gain | -20 dB |
| Remnant noise | <-100 dB |
| Connectors | 6.35 mm mono THRU output, 6.35 mm mono input, XLR 3P balance male output |
| Function switch | Ground switch, Merge switch, -20dB PAD switch |
| Height in mm | 76 mm |
| Width in mm | 106.5 mm |
| Depth in mm | 43 mm |
| Color | Black |
| Housing | Metal |
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