In this post I have explained to make an active loudspeaker system circuit for enabling self sustained amplification of any music source that may be directly plugged in to the active speaker box. Introduction With the advent of ultra modern cell phones, now it has become possible to store huge music data and listen to […]
Audio and Amplifier Projects
Make this Bass Booster Speaker Box
In this article I have explained the construction of the high bass boost speaker box system, which can be used for reproducing music with heavy bass effect, which can be adjusted with a potentiometer. By: Alfy Mackenzie Most of the affordable hi-fi systems in the market have decent mid-range and treble feedback but do not […]
Voice/Audio Recorder Playback Circuits
In this article I have explained a single chip circuit which can be used for recording and playing back short voice clips or any audio clip ranging from 20 to 60 seconds. About the IC APR9600 The incorporated IC APR9600 is a programmable voice recorder chip which facilitates infinite number of recording/erase of audio files […]
Modify Human Speech with this Digital Voice Changer Circuit
In this post I have explained a voice modulator circuit which will change or transform an individuals unique voice into a completely new form. The new voice will be different to the original voice tone and unrecognizable. The Circuit Concept The characteristic tone of every individuals voice is specifically unique in all circumstances. How often […]
Extended High Bass Effect from Small Speaker Box [Cross-Over-Filter]
Bigger speaker boxes produce proportionately higher bass effect, this fact is know to all of us. However, bigger boxes are not only expensive, they can be cumbersome and bulky. How about having the very same high bass effect, that a bigger box would provide, from a much smaller and compact speaker enclosure? Sounds strange right? […]
Single Transistor Radio Receiver Circuit
This is probably the simplest radio receiver circuit that one could ever imagine of making. The circuit is so simple that it could be finished assembling within a few minutes and you are already listening your favorite programs over it. Introduction What are the fundamental criteria associated with radio reception? An antenna stage, a band […]