Universal Audio UAD Manual download pdf (Page 15)

Apollo FireWire 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 17 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.

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

be established using the front panel Link button or the Console application.

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Universal Audio UAD Manual Page 15