Preamplifier Design Online Calculator

App description

This calculator is primarily designed to help design speech preamps.

A preamplifier (also called a preamplifier) refers to amplifying
audio (such as AUX, MIC) signals to the
input range that the power amplifier can accept. There are two
functions of the preamplifier: one is to
select the desired source signal. And amplified to the rated
level; the second is to carry out a variety
of sound quality control to beautify the sound. The basic components
of the preamplifier are: sound source
selection, input amplification and sound quality control. The
function of the source selection circuit is
to select the desired source signal to be sent to the subsequent
stage, and to turn off the other source
channels. The function of the input amplifier is to source the
signal. Zoom in to the rated level, usually
around 1V. The function of the sound quality control is to control
the frequency characteristics of the sound
system to achieve high fidelity sound quality; or to modify and
beautify the sound according to the listener's preference.

Usage example

Please click "Show Circuit Diagram", refer to the corresponding
input parameter of the schematic input box
in the right input box and click "Start Calculation". The design
results will be displayed on the spectrum diagram.