All items tagged with Circuit Special 2023 files and audio (4)

€5 / Members: Free

| A microphone is a sensitive device producing a weak output signal that must be processed with care. This preamplifier does just that. It eve...

€5 / Members: Free

| Switching audio signals remotely can be done with relays, but these are clunky and power-hungry. Here is a solution that uses solid-state sw...

€5 / Members: Free

| Active speakers have their own power supplies and deliver high-quality sound. Their downside is that you need to turn them on to listen to t...

€5 / Members: Free

| Getting older often means hearing high frequencies less good. The intent of this circuit is to compensate for this by using a steeper correc...