| No, this item isn’t about coal, but instead LP records. They are making an amazing comeback. With the advent of the compact disc in 1982 wit...
| No, this item isn’t about coal, but instead LP records. They are making an amazing comeback. With the advent of the compact disc in 1982 wit...
| Dimensioning and testing active filters for audio and measurement applications is not seriously good fun, in fact, many hobbyists seem to...