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gain 1&2 - These controls adjust the input gains of the two selectable inputs (TRS
and RCA). Both Left and Right circuits are simultaneously adjusted. Unity gain is at the
mid-point (with a detent), min and max gain adjust is 20dB. The stereo inputs were
designed for line-level sources and can accommodate a wide range of input levels. Use
the appropriate input when patching-in your external gear. For most semi-Pro or Pro
outboard gear with balanced output jacks, use Stereo Line input 1. The TRS input jacks
accept balanced or unbalanced sources. Use an adapter plug or cable to patch-in XLR
gear. For semi-Pro or consumer equipment with RCA output jacks, use Stereo Line
input 2.
left, right and mono switchs - These buttons determine which signal(s) will
be routed to the main buses, subgroup buses or post fader aux sends. The Pre-Fader
Source (27) determines the source for the pre-fader aux sends.
both in the “OUT” position — true stereo signal passes through.
left button only in the “IN” position — only the left signal passes through.
right button only in the “IN” position — only the right signal passes through.
both in the “IN” position— a summed left and right mono signal passes through.
line 2 switch - This button selects which inputs are active (Line 1 or Line 2 Inputs).
By depressing this switch (“IN” position), line input 2 becomes active.
EQ features
Many audio signals coming into the console require some degree of corrective equaliza-
tion in order to be part of a good sounding mix.
Each Stereo Input is equipped with a fixed-frequency, four-band EQ. The HF and LF bands
have a shelving response. The HM band is bell-shaped, centered at 4kHz. The LM band is
centered at 250Hz. The EQ circuitry is always in the signal path. Set all EQ controls to
“0” (flat) if no equalization is desired.
high frequency— HF 15dB boost and cut at 10kHz — Shelving Response
high mid frequency— HM 15dB boost and cut centered at the 4kHz, Q of 1.5
low mid frequency— LF 15dB boost and cut centered at the 250Hz, Q of 1.5
low frequency— LF 15dB boost and cut at 80Hz — Shelving Response
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stereo input - options