Specifications

Chapter 3: Focusrite D2 11
Low-Shelf Filter
The Low-Shelf Filter provides two rotary controls:
The upper rotary control adjusts the corner fre-
quency, variable from 33 Hz to 460 Hz. The lower
rotary control adjusts the filter’s amplitude gain or
attenuation. Amplitude range is ±15 dB from
unity.
Low-Mid Peak Filter
The Low-Mid Peak Filter provides three rotary
controls. The upper rotary control adjusts the cen-
ter frequency, variable from 33 Hz to 6.4 kHz. The
lower left rotary control adjusts the filter’s ampli-
tude gain or attenuation. Amplitude range is
±15 dB from unity (utilizing a reciprocal curve for
both gain and attenuation). The lower right rotary
control adjusts filter “Q” which is variable from
0.7 to 4.0.
High-Mid Peak Filter
The High-Mid Peak Filter provides three rotary
controls. The upper rotary control adjusts the cen-
ter frequency, variable from 120 Hz to 18 kHz.
The lower left rotary control adjusts the filter’s am-
plitude gain or attenuation. Amplitude range is
±15 dB from unity (utilizing a reciprocal curve for
both gain and attenuation). The lower right rotary
control adjusts filter “Q” which is variable from
0.7 to 4.0.
High-Shelf Filter
The High-Shelf Filter provides two rotary con-
trols: The upper rotary control adjusts the corner
frequency, variable from 3.3 kHz to 18 kHz. The
lower rotary control adjusts the filter’s amplitude
gain or attenuation. Amplitude range is ±15 dB
from unity.
Low-Shelf Filter
Low-Mid Peak Filter
High-Mid Peak Filter
High-Shelf Filter