Presonus Audio electronic Recording Interface w/ Eight Microphone Preamplifiers Version 1.0 - Manual (Page 23)

CONTROLS AND CONNECTIONS
21 | PreSonus 2007
3.2 FRONT PANEL LAYOUT
• Microphone Pre-Amplifier. Your FireStudio Project is equipped with eight custom designed PreSonus
X-MAX microphone preamplifiers for use with all types of microphones including Dynamics, Condensers
and Ribbons as well as instruments and line level signals. The award winning PreSonus preamplifier
design is a Class A input buffer followed by a dual servo gain stage. This arrangement results in ultra
low noise and wide gain control allowing the FireStudio Project user to boost desirable signal without
increasing unwanted background noise.
o
48 Volt Phantom Power. The FireStudio Project has 48V Phantom power available in groups
of two via push button switches on the front panel. From left to right, each button activates
Phantom power for channels 1&2, 3&4, 5&6 and 7&8.
ƒ XLR connector wiring for Phantom Power
• Pin 1 = GND
• Pin 2 = +48V
• Pin 3 = +48V
o
+22dBu Headroom. The FireStudio Project microphone preamplifier has +22 dBu headroom.
This feature gives you wide dynamic range and excellent transient response characteristics.
o
Neutrik Combo Connectors. Each channel of the FireStudio Project has a Mic/Line connector
using the Neutrik Combo connector. This revolutionary style connector lets you use either ¼”
phone or XLR connectors in the same female input. The first two channels of the FireStudio
Project are ¼” instrument and microphone XLR inputs. The line level inputs for these two
channels are on the back panel of the FireStudio Project.
Mic Inst r ument
1 2
Mic Line
3 4 5 6 7 8
FIRESTUDIO ™ 10X10 FireWire Interface | 8 XM AX Preamps | 96kHz | M IDI I/O | S/PDIF I/O | Digital M ixer
0dB
-6dB
-40dB
0dB
-6dB
-40dB
0dB
-6dB
-40dB
3/ 4
48V
5/ 6
48V
7/ 8
48V
1/ 2
48V
1 2 3 4 5 6 7 8