2 . 1 F R O N T P A N E L B A S I C L A Y O U T
Notice that the front panel of the Blue Tube is divided evenly at the
+48V switch in the center of the unit. The input and controls are a
mirror image of each other from left to center and from right to
center. Identical preamplifier sections - Channel One (left to right)
and Channel Two (right to left) – comprise the front panel .
Both preamp channels contain:
•
Combination Microphone (XLR) and Instrument (1/4 inch) input
•
Phase Reverse Switch
•
Drive Control (0 to 30dB)
•
-
20db Pad
•
Gain Control (0 to 40dB)
A 48 volt phantom power switch is used for both channels.
•
Phantom Power Switch
