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Class D Amplifier for Subwoofer 100W 4 Ohms 20Hz-200Hz
The Dayton Audio SPA100-D high-output subwoofer amplifier packs features normally found in larger amplifiers into a compact chassis, making it ideal for installation in enclosures or cabinets that cannot accommodate a larger amplifier. The Class D architecture gives it a small size while offering high efficiency and low noise.
1. Power supply input : Power supply on IEC connector.
2. Low level input (left/right) : Accept line level signals from a preamplifier.
3. Output cables for subwoofer : Allows the amplifier module to be connected to the subwoofer.
4. Power supply/clipping LED : This LED indicator shows the current status of the amplifier.
5. Volume (Gain) : This button allows you to adapt the input sensitivity of the amplifier to the output of the preamplifier.
6. Frequency (low pass crossover) : This button sets the highest frequency reproduced by the subwoofer, over a range of 40-200Hz with a slope of 18dB/oct.
7. Phase : This switch allows to compensate the differences between the acoustic and electrical characteristics of the subwoofer and the main speakers.
8. Auto ON/OFF : This switch enables or disables the Auto ON/OFF function. When Auto is selected, the amplifier goes into standby mode and turns on automatically when a signal is detected.
9. Bass Boost : This function adds a 6dB boost to the response at 30Hz.
10. Power button : this switch is used to power up the amplifier.
| Specifications | |
|---|---|
| Product type | Subwoofer amplifier |
| Amplification type | Class D |
| Output power (4 Ohms) | RMS : 100W Max : 200W |
| Frequency response | 20Hz - 200Hz |
| Input sensitivity | 180mV |
| SNR (A-Weighted) | 90dB |
| THD | < 1% |
| General | |
|---|---|
| Dimensions | 204.8 x 179.4 x 54mm |
| Weight | 725g |
| Color | Black |
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