API Audio THE BOX User Manual
Page 13

API “The BOX”
Operator’s Manual
13
Rear Panel Preamp Connections
All four input channels have the same preamp input connections on the rear panel.
DIRECT OUTPUTS / PRE OUTPUTS: DB-25, balanced, low-impedance, line-level
•
Outputs 1-4: Direct out (post-fader) or preamp output from input channels 1-4
o
Fed post-fader/mute by default (direct output)
o
Preamp output replaces post-fader output if DIR PRE is engaged
•
Outputs 5 & 6: Insert send from input channels 1 & 2
•
Outputs 7 & 8: Preamp outputs from input channels 3 & 4
•
Standard pin-out
: 1-4=direct or preamp outputs 1-4, 5-6=insert send 1-2, 7-8=preamp
outputs 3-4
In addition to the DB-25 connector, input channels 3 & 4 have a separate preamp
output that’s part of an extra set of connections that support the 500 slots.
INSTRUMENT INPUT: ¼” tip-sleeve, unbalanced, high-
impedance
•
MIC must be engaged to use this input
•
Replaces MIC signal as preamp input
MIC INPUT: 3-pin female XLR, balanced, low-impedance
•
MIC must be engaged to use this input
•
Provides phantom power when the 48v switch is
engaged
LINE INPUT: ¼” tip-ring-sleeve, balanced, low-impedance
•
MIC must be disengaged to use this input
The DIRECT OUTPUTS / PRE OUTPUTS connector
carries direct or preamp outputs from input
channels 1-4, as well as the insert send from
input channels 1 & 2 and the preamp outputs
from input channels 3 & 4.
PREAMP OUTPUT: ¼” tip-ring-sleeve, balanced, low-
impedance, line-level
•
Not available on input channels 1 & 2