CONTROLS AND CONNECTIONS
FIRESTUDIO™ 
1 2
Mic 
Instrument
•Instrument Inputs (Channels 1 and 2). The ¼” TS connector on channels 1 and 2 are for use with an instrument (guitar, bass, etc.). When an instrument is plugged into the instrument input, the microphone preamp is bypassed, and the FireStudio Project becomes an active instrument preamplifier.
NOTE: Active instruments are those that have an internal preamp or a line level output. Active instruments should be plugged into a line input rather than into an instrument input. Plugging a line level source into the instrument inputs on the front of the FireStudio Project not only risks damage to these inputs but also results in a very loud and often distorted audio signal.
(In other words, don’t plug a line level source into the combo jacks of channel 1 or 2.)
•Input Gain/Trim Control. These knobs provide the following gain structure:
oXLR Microphone Inputs. 54 dB of variable gain
oTS ¼”
o TRS ¼” Line Inputs. 32 dB of variable gain
1 | 2 | 3 | 48V | 4 | 5 | 6 | 7 | 8 |
| 48V | 0dB | 0dB |
| 48V | 0dB | 48V | |
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| 1/ 2 | 3/ 4 |
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•LED Meters / Clip Indicator. Each channel features three LED level indicators. The green LED will light up when your input signal from the XLR (Mic) or ¼” (line) reaches
22 PreSonus 2007
