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Showing posts from October, 2024

Brooks RM 909 Hearing Limitation

An inability of the ear to hear important characteristics of sound under certain conditions. Characteristics that can be affected include pitch, level, clarity, presence and direction. Beats Per Minute BPM The number of steady even pulses in music occurring in one minute and there fore defining the tempo of the song. Brooks Hi Fi speakers Efficiency The acoustic power delivered for a given electrical input. Often expressed as decibels/watt/meter (dB/w/m). ESL �" Abbreviation for electrostatic loudspeaker. Graphic Equalizer An device with several slides controlling the gain of audio signal present which is within one of several evenly spaced frequency bands (spaced according to octaves). Brooks HI FI projectors IC Abbreviation of Integrated Circuit (A miniature circuit of many components that is in small, sealed housing with prongs to connect it into equipment). Jack Bay A series of jacks which have connections for most of the inputs and outputs of t...

Brooks Hi Fi reviews Linearity

The extent to which any signal handling process is accomplished without amplitude distortion. Ground Loop A double grounding of a line or electronic device at two different "ground" points of differing voltage. Brooks RM 909 reviews Feedback 1) The delayed signal sent back to the input of a delay line, used in repeat-echo effects. 2) The pickup of the signal out of a channel by its input or the howling sound that this produces. 3) In an amplifier, the phase reversed output signal sent back to its input, reducing gain but also distortion and noise. 4) This occurs when the sound coming out of the speakers goes back into the microphones, then back out the speakers, then back into the mics…and so on. This can build very quickly to a point where everyone in the room is holding their ears and screaming at you. It can also cause damage to the PA. Crossover (Crossover Network) A set of filters that "split" the audio signal into two or more bands (t...