CONTROLS & CONNECTIONS
30
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PreSonus 2008
•
Input Gain/Trim Control.
These knobs control the gain for the microphone preamps located on the rear
of the unit and provide the following gain structure:
o
XLR Microphone Inputs.
54 dB of variable gain (-4dB to +50dB)
o
48 Volt Phantom Power.
The FireStudio Tube 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
•
Phones.
The Phones knob controls the amount of volume going to the headphone output on the front of
the unit. Notice the volume indicator goes to 11 … use this setting with extreme caution.
•
Main.
The Main
knob controls
the output level for the Main Outputs on the back of the FireStudio
Tube with a range of -80db to +10dB.
•
¼” Headphone Jack.
This is where you connect your headphones to the FireStudio Tube.
•
Power Button.
This button turns your FireStudio Tube on and off.
•
Red-Blue Power/Sync Light.
This light is a clock source (sync) indicator. It lets you know if your unit
is receiving word clock correctly. Word clock is the manner by which digital devices sync frame rates.
Proper word clock sync prevents digital devices from having pops, clicks or distortion in the audio
signal due to mismatched digital audio transmission.
o
Blue.
FireStudio Tube is correctly synced via FireWire
o
Flashing Red and Blue
. Sync invalid or not present
Содержание FIRESTUDIO TUBE
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