Manual
Table Of Contents
- The BOX Cover
- Table of Contents
- Important Safety Instructions
- 1.0 Overview
- 2.0 Input Channels 1-4
- 3.0 Summing Input Channels 1-16
- 4.0 Master Section
- 5.0 Stereo Program Master
- 6.0 527 Compressors
- 7.0 Auxiliary Masters
- 8.0 Cue Master
- 9.0 Talkback
- 10.0 Solo System
- 11.0 Monitoring Systems
- 12.0 VU Meters
- 13.0 Rear Panel Connections
- 14.0 Application Guide
- APPENDIX
- API “The BOX”
API “The BOX” Operator’s Manual
75
13.1 Input Channels 1-4 Connections
Input Channel Preamp Connections
All four input channels have the same preamp input connections on the rear panel.
The rear panel provides a
comprehensive and flexible
set of input channel
connections.
Connections include:
• Preamp inputs (mic,
instrument, and line)
• Insert sends and returns
• Direct outputs / preamp
outputs
• Preamp output / 500 slot
input (channels 3 & 4
only)
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