Four Preamplifier circuits using Transistors
This is Simple preamplifier circuit using transistors,low noise and easy to builds we have many circuit below, simple to difference projects [...]
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October 2, 2018
Simple automatic sound control circuit diagram
See in simple automatic sound control circuit diagram. It will control the amplitude of input signle into a stable level.
January 24, 2017
A Microphone From Normal Speaker
We sometimes need a Simple microphone, But we cannot find it. This circuit can be help us modify the normal speaker to microphone as pre-mic circuit.
February 18, 2011
Bass Treble tone control circuit diagram
This is Bass treble tone control circuit diagram as ideas, we have two circuits both transistors ,ICs-op amp as main, so smaller, but high gain signal.
May 7, 2007