Hardware manual

Apollo Hardware Manual Rear Panel

Rear Panel

Analog I/O

(1) Monitor Outputs 1 & 2

These balanced ¼” TRS phone jacks are line-level analog outputs typically used for connection to a stereo

loudspeaker monitoring system. The signal levels at these outputs are controlled with the Monitor Level knob

(#18). Unbalanced ¼” TS cables can also be used.

The Monitor Outputs are completely independent from the eight Line Outputs. By default, the “1–2” or “Main”

outputs from a DAW are routed to these outputs. Stereo panning of input signals routed to these outputs is

defined within the Console and/or DAW applications.

The S/PDIF output can be configured to mirror the Monitor Outputs; see “(7) S/PDIF Ports” on page 15 for

details.

(2) Line Outputs 1 – 8

The individually addressable line-level analog outputs use balanced ¼” TRS phone jacks. Unbalanced ¼” TS

cables can also be used.

The Line Outputs can be configured in adjacent pairs to use –10 dBV or +4 dBu reference levels. This function

is configured in the Console application.

(3) Line Inputs 1 – 8

The individually addressable line-level analog inputs use balanced ¼” TRS phone jacks. Unbalanced ¼” TS

cables can also be used. The Hi-Z inputs override the Line Inputs on channels 1 & 2.

Line Inputs 5 – 8 can be configured in adjacent pairs to use –10 dBV or +4 dBu reference levels; this function

is configured in the Console application. Line Inputs 1 – 4 are fixed at a reference level of +4 dBu, however

gain for inputs 1 – 4 is continuously variable.

Adjacent input channel pairs can be linked for easy stereo adjustments. Stereo links for channels 1-2 and 3-4

can be established using the Link button on the front panel or in the Console application; channels 5-6 and 7-8

can be linked using the Console application only.

(4) Microphone Inputs 1 – 4

The balanced Microphone inputs use locking XLR connectors. Pin 2 is wired positive (hot). Inputs 1 – 4 are

switched between Mic and Line using the front panel controls. The Hi-Z inputs override the Mic inputs on

channels 1 & 2.

48V phantom power is available via the front panel switch (when the channel is selected), or from within the

Console application.