AVT1687 C

People building loudspeakers often have trouble getting the right amplifier for a separate subwoofer. If the end of the power itself is not a problem, the problem is to extract a signal consisting of only low frequencies for it.

The presented filter is a solution to this problem: it sums up the signals from the channels, filters the resultant signal and allows you to adjust the bandwidth of the transmitted frequencies and amplification.

The system is assembled and running.

A detailed description in EP08 / 12 or