Arturia AUDIOFUSE STUDIO User Manual page 12

48V: This button engages and disengages 48V phantom power for microphones
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requiring power. Note that this button only works when an XLR cable is plugged
into AudioFuse Studio. The button is ignored when 1/4" devices (Instrument or
Line-level) are plugged in, or when nothing is connected to the XLR connector.
Inst: This button lets you toggle between Line and Instrument modes. Line
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mode accepts standard line-level signals provided by most audio devices
(synthesizers, drum machines, studio and HiFi gear, etc.) Instrument mode
changes the impedance of the 1/4" instrument input to Hi-Z (high impedance).
This is designed to be used with instruments that have passive pickups, such
as electric guitars and basses, stringed instruments (mandolin, violin, etc.), and
electric pianos (reed or tine-based). If you're connecting an instrument like the
ones described, activate Inst mode for the best possible sound.
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♪: If your instrument has "active" electronics or you're using an external preamp or stomp box before
recording the signal with AudioFuse Studio, you may not need to use Inst mode at all. Feel free to
experiment and see if you notice an improvement in your sound.
Pad: This button engages and disengages input gain padding, which reduces
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the incoming signal levels by 20 dB before they reach AudioFuse Studio's
preamplifier. Switch this on when recording high output instruments or
microphones that overload the AudioFuse Studio's preamplifier even at minimum
gain settings.

!: AudioFuse Studio has a hidden microphone Boost mode that can be switched on by holding
down the Pad button for one second (the button will be illuminated in red when Boost mode is active).
This is is a special mode that provides +10 dB extra gain to incoming microphone signals and can be
handy when using microphones with low outputs (such as the popular Shure SM7B, for example) or
when recording very faint sounds. If your microphone has a reasonable output level (most modern
microphones do) then we recommend leaving Boost off to ensure the best possible sound. Note that
this mode is only available when XLR microphones are connected and it cannot be engaged when 1/4"
devices are connected.
Phase Invert: This button inverts the phase of the incoming signal. Phase
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inversion is very useful in certain situations, such as when you are using two
or more microphones to record an instrument. For example, let's say you are
recording a guitar amp with a microphone that is close to the speaker and
another microphone that is placed further away to capture the sound of the
room. You may notice that certain frequencies are being overemphasized (or
de-emphasized) due to phase cancellation caused by the spacing between
the microphones. If so, try pressing the Phase button on just one of your
channels (not both). By inverting the signal on one of your microphones, you
may immediately resolve the phase cancellation issue. If this does not provide
satisfactory results, you will need to move the room mic to a slightly different
location.
A2. Listen Button: This button lets you listen to a specific Input Channel (or multiple Input
Channels) without distraction by muting audio coming from the computer.
6 Arturia - User Manual AudioFuse Studio - AudioFuse Studio