Case and power supply

The case and M3-ATX power supply arrived during the week and the motherboard was installed into the case. Here is the picture of the M3-ATX and picopsu-80. The differences between the two power supplies are that picopsu expect a regulated 12V input while M3-ATX can have a wide range input 6-24V. While picopsu works just […]

Amplifier construction

The amplifier IC came in just before the new year weekend. TDA7560 is quad 45W bridge amplifier IC, datasheet.Supporting components and parts for the amplifier box were acquired and build up started. Pictures! In the end, the amplifier worked on the first try, no smoke or burning power supply. The amplifier has a fixed gain […]