4.5.3. The preamp section
The preamp section has knobs (potentiometers) for the Input Gain, adjustable between -80
dB and -20 dB, positioned right below the VU meters.
By adjusting the input gain, we change the color of the sound by adding harmonic distortion
and saturation. Even at minimum input gain with EQ off, there is a very slight coloration as
you would find on the original.
Right below these we have another pair of knobs to control the Output level (labeled Output
Trim), with a range between -24dB and +24dB.
We also have a switch that lets us choose between two different types of transformers.
This is an add-on introduced by Arturia. Type 1 is the original transformer, while Type 2 is a
different model, inspired by another famous brand of vintage equipment. The difference is
subtle. Try each of them and use the one you like best for your audio.
When operating in double channel (two channels) the plug-in has two other switches. The
first one is to activate/deactivate Stereo Link (the label is two intersecting circles). The
second one is labeled Stereo Mode, and switches between L/R and M/S.
1973-Pre Single Channel
Preamp and Output
24 Arturia - User Manual 1973-Pre - 1973-Pre OVERVIEW
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