NVX XEQ7, Руководство пользователя

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Hz: Abbreviation for Hertz, a unit of frequency equal to one cycle per second.
Octave: the musical principle of dividing sound frequencies into the eight notes of
the musical scale.
OEM: Original Equipment Manufacturer
RCA input/output: port through which sound travels in and out of the system;
“RCA” refers to the type of connector, which was originally manufactured by Radio
Corporation of America.
Slope: how fast the sound changes rated in dBs. The higher the dB number, the
faster the frequency drops off.