Vermes
Advanced Member level 4
The amplifier was based on monitor packard bell, in which it initially operated. Everything was redrawn in Eagle and the PCB was designed. There were two versions of the project, because in the first version few mistakes occured: there was no 10k resistor, incorrect casing of the rectifier bridge and capacitor under the heat sink.
First version:
Second version:
Description of some elements:
Other pictures:
PCB were made using a laminator.
This project uses a band-pass filter for TL074 and power amplifier LM4752 operating in the bridge.
Link to original thread (useful attachment) - Wzmacniacz do mini subwoofera