What is an audio amplifier?

An audio amplifier, also known as a power amplifier, is an electronic device that amplifies low-power audio signals to a higher level that can drive speakers or headphones. The amplifier is an essential component of any audio system as it provides the necessary power to create sound.

Audio amplifiers come in different designs and sizes, but the most common types are tube amplifiers, solid-state amplifiers, and hybrid amplifiers. Each type has its unique features and characteristics, and choosing the right one depends on your specific needs and preferences.

Tube amplifiers, also known as valve amplifiers, use vacuum tubes to amplify signals. They are known for their warm and rich sound, making them a popular choice among audiophiles. Solid-state amplifiers, on the other hand, use transistors and other solid-state components to amplify signals. They are more compact and efficient than tube amplifiers but can produce a harsher sound. Hybrid amplifiers combine the best of both worlds, using vacuum tubes for the preamp stage and solid-state components for the power amp stage.

When looking for an audio amplifier, there are several factors to consider, such as power output, THD (total harmonic distortion), signal-to-noise ratio, and impedance matching. Power output is measured in watts and determines how loud the amplifier can drive the speaker. THD measures the amount of distortion in the sound, while signal-to-noise ratio measures the amount of noise in the signal. Impedance matching ensures that the amplifier and speaker are compatible and can work together efficiently.

At DJbox.ie, we offer a wide selection of audio amplifiers from top brands like Yamaha, Adastra, Power Dynamics, Vonyx and others. Whether you are looking for a power amplifier for an installation or for mobile DJ and performer use, we can help!