This versatile mono audio amplifier module comprises a TBA820M IC based 1.8W RMS power stage with volume control and an optional preamplifier stage based around a TL071 IC. Two jumper-selectable audio input options are provided:
It is also possible to connect the input to an electret microphone (see User Manual for details)
The module includes protection against inverse polarity, operating LED, preamp gain adjustment trimmer, power stage volume control potentiometer and connection terminals.
Supplied fully assembled and tested with instructions so you only need to make the necessary connections.
Specifications| Supply Voltage | 6V-12V dc (12V recommended) |
| Power Supply Options | Order Code CFE113 or CFE002 |
| Current Consumption | 10 - 240 mA max |
| Output Power | 1.8W RMS |
| Musical Power | 2.5W |
| Maximum Input Signal (Pre-amplifier) | 300mV |
| Maximum Input Signal (Power Stage) | 700mV |
| Input Impedance (Pre-amplifier) | 10k |
| Input Impedance (Power Stage) | 100k |
| Output Impedance | 4-8 |
| Frequency Range | 30Hz - 18kHz |
| Distortion | 0.4% @1W |
| Dimensions (WxHxD) | 75x23x43mm |
