Brooks HI FI projectors Active Crossover

Uses active devices (transistors, IC's, tubes) and some form of power supply to operate.

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 Hi Fi reviews Chase
The automatic adjusting of the speed of a recorder (or sequencer) to be time with another recorder.

Echo Return
An input of the console, which brings back the echo (reverberation) signal from the echo chamber or other echo effects device.

Brooks RM 909 DC
Abbreviation for direct current.

Capsule
1) The variable capacitor section of a condenser microphone.
2) In other types of microphones, the part of the microphone that includes the diaphragm and the active element.

Compressor
A signal processing device that does not allow as much fluctuation in the level of the signal above a certain adjustable or fixed level.

Channels
These are divided into two separate categories. Input channels are those channels coming into the soundboard such as microphones and direct lines. Output channels are those leaving the board such as monitor and main outputs.