Audio filter schematics

Amplify and distribute your audio signals with this powerful circuit! This design utilizes an NE5532 amplifier and three 300-ohm outputs, perfect for driving multiple audio lines. Build your own high-fidelity audio distribution system today.... [read more]

Create a 1.5K notch filter and 0.1uF capacitor to eliminate unwanted frequencies between 500Hz and 2KHz, boosting bass and treble response – unlock exceptional audio clarity and precision in your circuits.... [read more]

Unlock the secrets of resonant filtering! Design precise bandpass filters with a Q factor of 8, 10, or 50, achieving sharp roll-off and optimized signal transmission. Discover the formulas and calculations to build your own 1700 Hz filter, perfect for audio circuits and beyond.... [read more]

Design powerful 2nd order active filters using op-amps to shape your signals. Explore low pass, high pass, and bandpass filter schematics with precise 12dB/octave attenuation and unlock the potential of your audio and electronic projects.... [read more]

Build a precision speech transmission circuit utilizing a band-pass filter spanning 300Hz to 3kHz. This innovative design, featuring TL072 ICs and metal film resistors, delivers crystal-clear speech communication by meticulously isolating the desired frequency range – a foundation for building impactful telecommunications solutions.... [read more]

Craft a precise mono bass extraction circuit for your music projects, utilizing a TL072 op-amp and adjustable controls to isolate and diminish vocals, ensuring crystal-clear bass frequencies without unwanted noise.... [read more]

Build a powerful high-pass filter with this easy circuit, controlling frequencies from 20Hz to 200Hz using a 47KΩ potentiometer for precise sound signal shaping and amplification.... [read more]