Presonus-audio-electronic Microphone Preamplifier User Manual download pdf (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.

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.

 XLR connector wiring for Phantom Power

• Pin 1 = GND

• Pin 2 = +48V

• Pin 3 = +48V

+22dBu Headroom.

The FireStudio Project microphone preamplifier has +22 dBu headroom.

This feature gives you wide dynamic range and excellent transient response characteristics.

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 Instrument

Mic Line

345678

FIRESTUDIO

™

0dB

-6dB

-40dB

0dB

-6dB

-40dB

0dB

-6dB

-40dB

3/ 4

48V

5/ 6

48V

7/ 8

48V

1/ 2

48V

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Presonus-audio-electronic Microphone Preamplifier User Manual Page 23

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