Brooks Hi Fi reviews Amplifier

A device which increases the amplitude (level) of an electrical signal (making it louder).

Amplitude
The extreme range of a signal. Usually measured from the average to the extreme.

Brooks RM 909 Harmonic Distortion
The presence of harmonics in the output signal of a device which were not present in the input signal.

Horn
1) The part of the speaker that emits midrange and higher range frequencies.
2) A speaker or speaker enclosure where sound waves are put into a narrow opening (by a speaker cone or driver) and the narrow opening flairs out to a larger opening.

Brooks RM 909 reviews Bi-Directional Pattern
A microphone pick up pattern which has maximum pick up directly in front and directly in back of the diaphragm and least pick up at the sides.

Driver
See transducer. Dynamic Range �" The range between the quietest and the loudest sounds a device can handle (often quoted in dB).

Compact Disc Recordable CDR
A blank Compact Disc that can be recorded on one time.

IC
Abbreviation of Integrated Circuit (A miniature circuit of many components that is in small, sealed housing with prongs to connect it into equipment).

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