SPL Channel One Mk3 Manual page 9

ON
dB
CO M P R E S S O R
VU
GR ON
IN
OUT
dB
Hz
R E S S O R EQ UA L I Z E R & A I R B A N D
dB Hz
Hz dB
EQ UA L I Z E R & A I R B A N D
dB
Hz dB
Q UA L I Z E R & A I R B A N D
VU
+
dB
+
DE-ESS TUBE POST
MHF
The center frequency of the semi-parametric mid/high
frequency filter is set with the MHF control. (MHF: mid/high
frequencies). The frequency range can be set between 680 Hz
and 15 kHz so that this filter covers a range of 4.5 octaves and
can be equally be used in the lower mid as well as the high
frequency range.
Hz dB
EQ UA L I Z E R & A I R B A N D
The MHF filter operates to the proportional-Q-principle, in other words the bandwidth is
dependent on the selected boost or cut.
The -/+ control (right to the MHF control) determines the cut of
the MHF filter.
Hz dB
dB dB
The maximum values are at +/- 12 dB.
AIR
dB dB
The high frequency filter in the equalizer module is labeled as
Model
2130
AIR. A coil-capacitor filter with so called bell characteristics and
a center frequency of 19 kHz comes into operation here.
ON
At this frequency the maximum possible accentuation is
+10 dB, the maximum possible damping is -10 dB.
dB
Model
2130
The equalizer section is activated via the On switch.
MUTE
ON
dB
dB
EQ pre TD
MUTE
The EQ pre TD switch swaps the order of the Equalizer and
Transient Designer: if the switch is pressed, the Equalizer is
dB
placed in front of the Transient Designer; if the switch is not
EQ PRE TD OVL
pressed, the order remains unchanged.
Model
2130
ON
dB
Model
2130
MUTE
ON
dB
MUTE
ON
dB
CO M P R E S S O R
VU
GR
IN
OUT
dB
Channel One Mk3 – Manual
Hz dB
EQ UA L I Z E R & A I R B A N D
Hz dB
EN
DE
Model
2130
ON
dB
MUTE
dB
9