ART Pro Audio Tube Channel - Tube Mic Preamp/Compressor/EQ - Manual (Page 2)

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FEATURES ...................................................................................... 3
OVERVIEW..................................................................................... 3
W HY USE AN EXTERNAL PROCESSING CHANNEL ? ............................... 3
D ESIGN N OTES ................................................................................ 4
SETTING UP ................................................................................... 5
U NPACKING .................................................................................... 5
AC P OWER H OOKUP ........................................................................ 5
A UDIO C ONNECTIONS ...................................................................... 5
I NSTALLATION ................................................................................ 6
S AFETY P RECAUTIONS ..................................................................... 6
P OWERING U P ................................................................................. 6
FRONT PANEL CONTROLS & INDICATORS ........................... 7
P REAMP C IRCUIT ............................................................................. 7
Gain Control .............................................................................. 7
Gain Switch ................................................................................ 7
Phantom Power Switch ............................................................... 7
Tube Drive/Gain Reduction Display ........................................... 8
Preamp Output ........................................................................... 8
O PTICAL C OMPRESSOR C IRCUIT ....................................................... 9
Slope Switch ............................................................................... 9
Speed Switch .............................................................................. 9
Compressor Bypass Switch ......................................................... 9
Compressor Threshold and Output Controls ............................. 10
Compressor Threshold Control (outer control) ......................... 10
Compressor Output Level Control (inner Control).................... 10
Clip Indicator........................................................................... 11
E QUALIZER C IRCUIT ...................................................................... 11
Low Frequency Control ............................................................ 11
Low Shift Switch ....................................................................... 11
Lo-Mid Frequency Control ....................................................... 12
Lo-Mid Shift x 10 Switch .......................................................... 12
Hi-Mid Frequency Control ....................................................... 12
Hi-Mid Shift x 10 Switch........................................................... 12
High Frequency Control........................................................... 12
High Shift Switch...................................................................... 13
EQ Bypass Switch..................................................................... 13
Master Output Level Control .................................................... 13
Phase Switch ............................................................................ 13