> Tag: audio
The following articles were tagged with audio:
Subwoofer active low pass filter
A simple circuit based on the LM358 opamp to be placed before an audio amplifier driving a subwoofer loudspeaker.
Subwoofer passive low pass filter
A simple capacitors and resistors network to be placed before a generic audio amplifier in order to filter the high frequencies
Subwoofer third order passive low pass filter
Project and schematic of a passive circuit made of capacitors and resistors to be placed before an audio amplifier to filter the high frequencies
Cheap measurement of an audio amplifier input impedance
The calculation requires only a multimeter to measure the effective alternating voltage and a sine source, such as a computer or a mobile phone
Single power supply modular audio mixer
Schematic and printed circuit board for a single power supply audio mixer, made of a master module and many line in or mic modules.
Mixer: main board
The schematic and the printed circuit board for the main board of the single power supply modular audio mixer
Mixer: line input board
Schematic and printed circuit board for the line input board, part of the single supply modular audio mixer
Mixer: mic input board
Schematic and printed circuit board for the microphone preamplifier board, part of the single power supply modular audio mixer.
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