ENGLISH
4
Input Stage
Three input options are provided to give compatibility with
microphone, line or instrument level sources.
Select
Pressing SELECT steps through each of the three inputs as
indicated by the corresponding LEDs. When the Mic LED is
lit, the Mic input is active etc.
Mic Input Gain
With the mic input selected, the user has access to the full
gain range, from 0dB to +60dB, in 10dB steps. With the ‘30-
60’ switch off, 0dB to +30dB settings are accessible. With
the ‘30-60’ switch on (illuminated), +30dB to +60dB settings
are accessible (yellow legend).
Line Input Gain
With the line input selected, the user has access to gain
settings ranging from –20dB to +10dB (white legend). The
‘30-60’ switch is inactive when the line input is selected.
Instrument Input Gain
With the instrument input selected, gain changes can be
made using the trim control only (see below) which allows
+10dB to +40dB of additional gain. This input is suitable for
high impedance sources such as guitar or bass pickups
(which may be connected directly without the need for an
external DI box), or vintage synthesisers with high
impedance outputs.
Trim
The Trim control provides additional variable gain of 0dB to
+20dB (with mic or line inputs selected – white legend) or
+10dB to +40dB (with instrument input selected – yellow
legend).
+48V
This provides +48V phantom power for condenser mics
when pressed. This switch does not affect the other inputs.
If you are unsure whether your microphone requires
phantom power, refer to its handbook, as it is possible to
damage some microphones by providing phantom power.
Phase
Pressing PHASE inverts the phase of the selected input, to
correct phase problems when using multiple microphones,
or when incorrect wiring polarity has occurred.
EQ Module
All EQ
Pressing ALL EQ activates all sections of the EQ module
(including the Hi and Lo Pass Filters), placing the whole
module in the audio path. (Also note that each section may
also be switched out of circuit individually.) Toggling ALL
EQ allows A/B comparison of EQ settings without having to
use BYPASS, which switches both EQ and Dynamics
modules in or out of the audio path.
Filter In
Press in to make the Hi and Lo Pass Filters active in the
audio path. Both filters provide 18dB/octave rolloff, and
since the filter frequencies overlap they may be configured
as a very tight band-pass filter.
Low Pass Filter
A variable control sets a rolloff frequency from 400Hz to
22kHz.
High Pass Filter
A variable control sets a rolloff frequency from 20Hz to
1k6Hz.
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