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BUYING GUIDE FOR AUDIO SYSTEMS

Terminology

 

Amplifier:

An electrical circuit designed to boost the current or voltage of a signal.

Bass (low frequencies):

Between 0Hz to about 200 Hz it is the low end of the audio frequency.

Crossover Network (Filter):

An electric circuit or network that splits the audio frequencies and distributes them into different bands to be transferred into individual speakers.

Dome Tweeter:

Made from metal or silk, they are high frequency speaker driver with dome-shaped diaphragm.

Equalizer:

An electronic device that acts as active filters to boost or maintain certain frequencies.

Frequency:

The number of waves passing through a point in one second, they are expressed in hertz (Hz).

High-pass Filter:

It refers to an electric circuit which passes high frequencies but blocks low frequencies.

Low-Pass Filter:

It refers to an electric circuit to pass only low frequencies and act as high impedance to frequencies out of the filters range.

Tweeter:

They are a speakers designed to reproduce the high or treble range of the sound range.

Woofer:

a loudspeaker that acts as an electrical converter which has been designed to reproduce low-frequency sounds.