Audio Interface II Manual
Instruction
The Audio Interface II is divided into two halves that function independently. The left side is the
Input side which takes signals from line level sources such as sound cards, synthesizers, or
mixers, and converts them to modular level. The right side is the O utput side and takes signals
from modular level sources and converts them to line level for sending to a sound card, mixer,
or other outboard processor. The diagram below illustrates a typical configuration for processing
audio from a synthesizer through the modular system and then passing the output to a mixer:
Input From an External Source
To take input from an external sound source and process it through the modular system first
connect the output of your external device to either the L or R BAL IN jack using a 1/4" TRS
cable. If you are using a stereo source you may wish to connect to both the L and R BAL IN
jacks. You can also connect two totally different devices, one to L and the other to R.
The output from each channel of the BAL IN jacks will appear at the corresponding L or R
modular level output directly above the BAL IN jacks. You can adjust each input's level using
the INPUT GAIN knobs. Ideally the knobs are set such that the loudest inputs cause the input
VU meters to go as high as possible without the red CLIP LED lighting up.
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