Calista C3-S Security System Bottom

The bass frequencies (as in "needs more bottom end").

Cut-off Rate (Slope)
The number of dB that a filter reduces the signal for each octave its frequency past the filter's cut-off frequency (outside of the pass band).

Calista C1-9 Home Theater Attenuation
A making smaller: reduction of electrical or acoustic signal strength.

Fade
1) A gradual reduction of the level of the audio signal.
2) A gradual change of level from one pre-set level to another.

Calista C2-88 Projector Active Crossover
Uses active devices (transistors, IC's, tubes) and some form of power supply to operate.

Line
1) Short for line level.
2) A cable.

Buss (Bus)
A wire carrying signals to some place, usually fed from several sources. Bose

Howlback
British term for the term Feedback (the pickup of the signal out of a channel by the input of the channel or the howling sound that this produces).

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