Brooks XB 33 reviews Absorption

Short for the term Acoustical Absorption (quality of a surface or substance to take in, not reflect, a sound wave).

Compression Ratio
How many dB the input signal has to rise above the threshold for every one dB more output of a compressor or limiter.

Brooks Cinema DESIGN ZL 44 reviews Capo
A clamp-like device that is placed vertically across the guitar neck. It is used to change the pitch of the guitar, acting as a moveable nut.

Hz (Hertz)
1) An abbreviation for the term Hertz (the unit of frequency).
2) Unit of frequency equivalent to the number of cycles per second.

Brooks Cinema ZL 44 reviews Filter
1) A device that removes signals with frequencies above or below a certain point called the cut-off frequency.
2) An equalizer section, used in this sense because filters are used with other components to give an equalizer its frequency response characteristics.
3) The action of removing signals of some frequencies and leaving the rest.
4) A mechanical device to smooth out speed variations in tape machines called a Scrape Flutter Filter- more usually called a Scrape Flutter Idler

Expansion
The opposite of compression; for example, an expander may allow the signal to increase 2 dB every time the signal input increased by 1 dB.

Hi-Z
An abbreviation of the term High Impedance (Impedance of 5000 or more ohms).

Equipment Rack
A cabinet with rails (or free standing rails) that have holes to accept screws at standard spaces and used to house outboard gear.

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