Why is the Universal Audio Accessories HOST indicator unlit or red?
The HOST indicator might be unlit or red due to several reasons. First, check the Thunderbolt 3 connections. Then, make sure the Apollo X software is installed. If the issue persists, power the Apollo X off and on, and restart your computer. If that doesn't work, reinstall the Apollo X software or try using a different Thunderbolt 3 cable.
What to do if my Universal Audio apollo x16 unit won’t power on?
If your unit won’t power on, check the power supply connections at both the power supply input and the back of the unit. Ensure the power switch is in the UP position. Also, verify that AC power is available at the wall socket by plugging in another device.
How to fix audio glitches and dropouts during playback with Universal Audio Accessories?
If you are experiencing audio glitches or dropouts during playback, try increasing the audio buffer size setting. Also, confirm your clocking setups by checking cable connections and ensuring all device clocks are synchronized to one master clock device.
What to do if I can't hear anything from my Universal Audio apollo x16 monitor output?
If you're not getting any sound from your monitor output, first, check the connections, power, and volume of your monitoring system. Make sure the monitor knob is turned up and that the monitor outputs are not muted (push the monitor knob). Finally, check if the monitor LEDs are active to ensure signal flow.
Why can't I hear my mic or line input(s) on my Universal Audio Accessories?
If you can't hear your mic or line inputs, first ensure the mic/line switch setting is correct for the channel. Also, confirm that nothing is plugged into the channel’s Hi-Z input and that the MUTE is not engaged in the Console input channel strip.
How to stop static or white noise from Universal Audio apollo x16 when nothing is plugged in?
If you hear static or white noise when nothing is plugged in, mute or lower the preamp gain to the minimum on all unused preamp channels, as mic preamps can emit noise even without a connected device. Also, some UAD plug-ins model the noise characteristics of the original equipment; you can defeat the noise model in the UAD plug-in GUI or mute the channel containing the plug-in to temporarily eliminate the noise.
Why can't I hear my Hi-Z input(s) on Universal Audio apollo x16 Accessories?
If you're having trouble hearing your Hi-Z inputs, first confirm that the volume on the connected device is turned up. Also, ensure that the Hi-Z input cable is a 1/4” TS cable only (not TRS), and that MUTE is not engaged in the Console input channel strip.
What to do if Universal Audio apollo x16 preamp controls have no effect on channel?
If the preamp controls aren't affecting the channel, make sure the desired channel is selected for control by pushing the PREAMP knob. Remember that preamp controls are only available for preamp channels.
Why can I only adjust preamp input channels on my Universal Audio apollo x16 Accessories?
Signal levels for all non-preamp inputs, including digital inputs, are adjusted at the device connected to those inputs.
What to do if my Universal Audio Accessories is behaving unexpectedly?
As a last resort, perform a hardware reset on the unit by following these steps: 1. Power off Apollo X 2. Press and hold the PREAMP, LOW CUT, and POLARITY controls 3. Power on Apollo X while continuing to hold all three controls 4. After all front panel LEDs flash rapidly (after several seconds), release the controls
General| Type | Audio Interface |
|---|---|
| Connectivity | Thunderbolt 3 |
| A/D Resolution | 24-bit/192kHz |
| Mic Preamps | None (requires external preamps) |
| Phantom Power | No |
| UAD Processing | Yes |
| Dynamic Range | 129dB (A-weighted) |
| Supported Plugins | UAD Plugins |
| Form Factor | Rackmount |
| Power Supply | Internal |
| Operating System Compatibility | macOS, Windows |
| Digital I/O | ADAT, AES/EBU |
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