API 550B Controls

Low Band Gain

Range

-12dB to +12dB (2-3dB steps)

Default

0dB

Low Band Frequency

Range

30Hz, 40Hz, 50Hz, 100Hz, 200Hz, 300Hz, 400Hz

Default

50Hz

Filter types

Shelf, Bell

Cutoff points

30Hz, 40Hz, 50Hz, 100Hz, 200Hz, 300Hz, 400Hz

Low Mid Band Gain

Range

-12dB to +12dB (2-3dB steps)

Default

0dB

Low Mid Band Frequency

Range

75Hz, 150Hz, 180Hz, 240Hz, 500Hz, 700Hz, 1kHz

Default

500Hz

Filter types

Bell

Cutoff points

75Hz, 150Hz, 180Hz, 240Hz, 500Hz, 700Hz, 1kHz

High Mid Band Gain

Range

-12dB to +12dB (2-3dB steps)

Default

0dB

Waves API 550 User Manual - 10 -

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Waves user manual API 550B Controls