Bbox active (opamp) passive (RLC (crossover) filter free to design a quality program is also located in different hesaplayıcıları his calculation below is a list of program Active filter design options: Highpass 12dB, Highpass 18dB, 24dB Highpass, Lowpass 12dB... Electronics Projects, Active Passive Crossover Filter Calculator Program "electronics software tools, " Date 2019/08/02