Speck-electronics EQ16 Manuel d'utilisateur télécharger pdf (Page 21)

We hope to give you basic information on the operation of the Model

EQ16 and adequately describe its controls, switches, and connectors.

The information in this manual is intended to help with the technical

process when using your Model EQ16. Words alone could not

adequately describe how to adjust the controls on the EQ16. Your ears

should be your best gauge of how to adjust the frequencies to make the

sound fit your requirements.

A parametric equalizer falls into the generic category called filters. A

filter is an electronic circuit that allows signals of certain frequencies

to be transmitted through a system, while preventing the transmission of

other frequency ranges.

There are 3 basic types of passive or active filters; low-pass, high-pass

and bandpass.

A low-pass filter is a circuit that passes all low frequency signals and

rejects high frequency signals. The crossover point that low frequencies

pass through can be either fixed at a specific point or variable.

A high-pass filter is a circuit that passes all high frequency signals and

rejects low frequency signals. The crossover point that high frequencies

pass through can be either fixed at a specific point or variable.

A bandpass filter is a circuit that will pass only a fixed frequency band

and reject signals above and below the selected band. A parametric

equalizer is a very elaborate bandpass filter that offers the ability to

control the filter's basic parameters - hence the term "Parametric

Equalizer". These controllable parameters are the bandpass center

frequency, the amplitude of the bandpass frequency, and the width of the

bandpass frequency. These previously mentioned parameters as found

on audio parametric equalizers are commonly known as the sweep

control, boost/cut control, and bandwidth (Q) adjust respectively.

General

Basic Theory of

Equalizers

Operation

Low-pass filter

High-pass filter

Bandpass filter

Chapter 4 Operation Section

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 32 33

Pas de commentaire

Speck-electronics EQ16 Manuel d'utilisateur Page 21