Monday, November 28, 2011
9 Volt Portable Mixer Circuit
The objective of this project was to design a small portable mixer supplied by a 9V PP3 battery, keeping performance quality. The mixer is formed assembling three main modules that can vary in number and / or willingness to adapt to the needs of all.
The three modules are:
Amplifier Input Module: a low-noise circuit equipped with a variable voltage gain (10 - 100) pre-set, primarily intended as input to high-quality microphone is also suitable for line level input on .
Tone Control Module: One of three bands (Low, Mid, Treble) tone control circuit provides unity gain when the controls are set flat frequency response. Can be inserted after one or more modules of the amplifier and / or after the main mixer amplifiers.
Main Module mixer amplifier, a music circuit incorporating two virtual mixing earth and shows the connection of a Master Fader and Pan-Pot.
Advertisement:The three modules are:
Amplifier Input Module: a low-noise circuit equipped with a variable voltage gain (10 - 100) pre-set, primarily intended as input to high-quality microphone is also suitable for line level input on .
Tone Control Module: One of three bands (Low, Mid, Treble) tone control circuit provides unity gain when the controls are set flat frequency response. Can be inserted after one or more modules of the amplifier and / or after the main mixer amplifiers.
Main Module mixer amplifier, a music circuit incorporating two virtual mixing earth and shows the connection of a Master Fader and Pan-Pot.
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