Mic Mixer Circuit Board

Here is a simple 3 input mic mixer circuit using the popular ua 741 ics.

Mic mixer circuit board.

Audio schematics mixer circuits. Audio mixers can be analog or digital type. The full output of the mixer circuit is vout rf v1 r1 v2 r2 v3 r3. This required a larger gain on my microphone than on my music input channel.

Digital mixing consoles use digital signal processing concepts and analog mixers are usually based on op amps electronic circuits. I measured the max output of my microphone at 2 vpp on battery power and my tablet s max output was measured at 3 vpp. Product title portable karaoke microphone mixer system set with d. The ic4 is wired as a summing amplifier to add the signals from three preamplifiers ic4.

Lt is extremely narrow to allow it to be applied as an input module within a mixer. 2 line output combiner convert consumer equipment stereo signal to mono or combine audio signal from two different equipments to1 input. 6 input mixer mitedu the mixer circuit below has 3 line inputs and 3 mic inputs. 5 out of 5 stars based on 1 reviews 1 ratings current price 89 99 89.

Four 741s are used here ic1 ic2 ic3 are used as preamplifiers. An audio mixer also called a mixing console is an electronic device for combining and modifying audio signals the modified audio signals are summed to produce some combined output signals. The mic inputs are suitable for low impedance 200 1000r dynamic microphones. A printed circuit board with this low noise amplifier can be obtained.