API Audio 5500 Dual Equalizer handleiding

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Handleiding

5500 Dual Equalizer API

frequencies. As mentioned before, the API equalizers have a Proportional Q that gets

larger as more amplitude change is selected.

On the LO and HI bands there is an option to select shelving response. When in shelving

mode, the equalizer reaches the indicated amplitude at the indicated frequency and

remains with that amplitude change for all frequencies to the edge of the audio

spectrum.

LO SHELF: When LO SHELF is engaged, the low-frequency band changes

from a peaking to a shelving EQ

Peaking is the default mode

Illuminates in blue when engaged

HI SHELF: When HI SHELF is engaged, the high-frequency band changes

from a peaking to a shelving EQ

Peaking is the default mode

Illuminates in blue when engaged

For frequencies towards the center of the spectrum the change is gradual, but the slope

differs slightly from the peaking mode. This can have important effects on the midrange

character of the sound, but that is not the typical reason to select shelving. The two

principal reasons for using a shelving response is either to eliminate noises like rumble

that are outside the frequency range of the desired sound, or to give a general “tilt” to

the tonal balance towards treble or bass. The API 5500 accomplishes both of these tasks

without sounding resonant.

2.2.4 Boost and Cut

Each band equipped with eleven (11) fixed boost and cut selections:

• -12dB

• -9dB

• -6dB

• -4dB

• -2dB

• 0dB

• +2dB

• +4dB

• +6dB

• +9dB

• +12dB

2.2.4.1 Range

The RANGE control is a unique and powerful addition to the traditional 550 circuit. It is a

formal implementation of a popular factory modification of the 550 EQ. The RANGE of

each channel can be set independently.

In x1 mode, the equalizer behaves

identically to the classic 550A and B.

In x.5 and x.25 modes, the amplitude

scale as shown on the front panel is

reduced proportionally.

Bekijk gratis de handleiding van API Audio 5500 Dual Equalizer, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.