Brooks TA 60 Crossover, Passive

Used inside of full range speaker cabinets to separate highs, mids, and lows and send them to their respective speakers within the each cabinet. These are not as efficient as active crossovers because they require all frequencies to draw from the same source of amplification.

Fundamental
The tuned frequency and (almost always) the lowest frequency that is present in the sounding of a pitch by a musical instrument.

Brooks Cinema Projectors Diaphragm
A thin flexible membrane or cone that vibrates in response to electrical signals to produce sound waves. Distortion is usually referred to in terms of total harmonic distortion (THD) which is the percentage of unwanted harmonics of the drive signal present with the wanted signal. Generally used to mean any unwanted change introduced by the device under question.

Compression Driver
The unit that feeds a sound pressure wave into the throat of a horn (in a horn loudspeaker).

Brooks SS 81 Limiter
A device which reduces gain when the input voltage exceeds a certain level.

Electret Mic
A condenser microphone where the capacitor plates are given a charge during manufacture which they retain, therefore requiring no external power supply.

Input
1) The jack or physical location of where a device receives a signal.
2) The signal being received by a device.
3) The action of receiving a signal by a device.

Hum
The 60 Hz power line current accidentally induced or fed into electronic equipment.

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