subwoofer filter low pass frequency

Circuits Audio Preamplifier
Bass preamp circuit subwoofer preamplifier board
BY
Toni
Subwoofer preamplifier with bass preamp circuit filter, ideal for activating active subwoofer speaker, still requires a power amplifier. It has ...
Hello I can’t able to download PDF plz send me on my mail. nlabservices@gmail.com