2 styck oanvända PCB för aktivit filter finnes.. Kan användas till det mesta.. Inkluderar 30st. 100 nf Epcos kondingar Och 4 470uF Panasonic kondingar.
An input buffer that can be a shelving high pass (For baffle step) and bandwidth limiting low pass Buffered output signal taken after input buffer. Up to 4th order Hi and low pass sections in Sallen-Key equal component value topology, includes interstage buffers and attenuation to correct back to unity gain. Fourth order filter sections can be combined with notch filters to create Cauer-Elliptic filters. Two output buffers with adjustable attenuation Two EQ sections (peak or notch) All pass (phase correction) section Linkwitz transform (biquad)