13
Operating Manual - digiMIX24 Digital Mixer
3 REAR PANEL FEATURES
3.1 Combo Jack Inputs, Channel 1-16
There are 16 mic/line channels that use a XLR-1/4 phone jack" combo connector. The female XLR connector is for a balanced
mic input, and the TRS (tip-ring-sleeve) phone jack is for balanced line level input. See the illustration for proper balanced or
unbalanced wiring of XLR and phone jacks. The mic preamp circuit is overridden when the phone jack is inserted. Avoid plugging
or unplugging connectors when the volume is turned up, as loud transient pops can result which may damage loudspeakers.
3.2 TRS Insert, Channel 1-8
Channels 1-8 are each equipped with a single TRS jack insert point
for use with external processors. Tip=send, and ring=return. The
outgoing signal is taken right after the analog trim control, and
the return signal goes directly to a D/A converter for routing to
the digital bus for DSP processing.
3.3 Channel 17-18, 19-20 Stereo Line Inputs
These inputs function as two stereo line level inputs (
sec. 2.7
) or
as four mono inputs. There is no adjustable preamp on these inputs,
so a strong input signal level (0dBu) is recommended. Plugging
in only the left inputs (channels 17 or 19) sends a mono signal to
both left and right inputs.
3.4 Tape Inputs
These two RCA inputs are controlled by the tape (21-22) level
control (
sec. 2.8
)
3.5 Main XLR Outputs*
The left and right main outputs on balanced XLR male connectors are controlled by the main volume control (
sec. 2.13
). They are
wired in parallel with the main phone jack outputs.
3.6 Main Phone Jack Outputs*
The left and right main outputs on TRS phone jack connectors are wired in parallel with the main XLR outputs.
3.7 Aux 1-4 Outputs*
These four phone jacks are pseudo-balanced outputs for aux1-4 (
sec. 2.10
). They have single-ended signal with balanced impedance.
* If plugging any digiMIX24 output into a powered speaker or other mixer input, phantom power
must
be turned off at that input.
3.1 - Balanced and Unbalanced connector wiring
