This Simple Two Transistors Amplifier Circuit using 1.5V Battery works like loudspeaker for small sounds. It uses 2 small parts called transistors and 1.5V battery to make weak sound strong. It is simple mini amplifier which are good for small projects for making music sound better. Circuit Working: Parts List: Category Item Quantity Resistors (All […]
Amplifier Circuits
1.5V Audio Amplifier Circuit
A 1.5V Audio Amplifier Circuit is small circuit it makes sound signal more strong using only 1.5V battery. This type of circuit is low power amplifier which is good for things that uses battery or when big power is not there or not needed. Circuit Working: Parts List: Type Value Quantity Resistors (All resistors are […]
Simple LM317 Audio Amplifier Circuit
This Simple LM317 Audio Amplifier Circuit is a kind of like small trick for make speaker sound louder. LM317 chip usually is used to control voltage but here it works like small music booster amp. Not very strong amp but still help give little more sound from the music source. It can work, yes but […]
Public Address Amplifier Circuit
This Public Address Amplifier Circuit it works like a very strong loudspeaker for our voice! When we speak on microphone then it makes our voice go very loud because of that many people can hear us good. Good for big place like school, office, stadium or parties where we want all people to hear same […]
Simple FET Preamplifier Circuit
This Simple FET Preamplifier Circuit works like super booster for small sound. It uses special transistor, FET to make quiet sound go more loud. This circuit is very good because it uses two kind of transistors N channel FET and PNP bipolar, together they make sound strong and not bad. So even very tiny sound […]
Simple IC TDA2822 Stereo Audio Amplifier Circuit
Simple IC TDA2822 Stereo Audio Amplifier Circuit is small chip with stereo amplifier makes weak music sound go louder which is strong enough for speaker or headphone. Despite using very little energy it still provides 250 milliwatts each side with good sound for small things like walkman, hearing aid or little stereo. So next time […]