UAD Resource Usage

• Apollo Twin uses DSP and memory for its internal DSP mixer. Therefore, the UAD Meter & Control Panel application will show some DSP and memory usage even when UAD plug-ins are not in use.

What is the lowest hardware buffer setting I can use with Apollo Solo for stable operation?

The audio interface hardware I/O portion of Apollo Solo can run at any hardware buffer setting that is stable within the DAW itself. Results may vary as a result of how much the DAW session stresses the computer system. This can be influenced by:

• Session track count and sample rate
• How many processor-intensive native plug-ins (such as virtual instruments, convolution reverbs, etc.) are in the session
• Processor type, speed, and overall power of the computer

Of course, for the lowest possible latency when monitoring live inputs, we recommend using the included Console application to take advantage of Apollo’s unique Realtime UAD Processing feature, where DAW I/O buffering does not apply at all.

System Sleep

System sleep is compatible with UAD Thunderbolt devices using the latest UAD software. However, disabling sleep when using DAW software is generally recommended. For optimum results when using Apollo Solo with DAW software, follow these guidelines:

• Disable sleep:
  
  On Mac: Open the Energy Saver panel within System Preferences* and drag the “Computer Sleep” slider (if present) to “Never” (the far right position).
  
  On Windows: Go to Control Panel > Power Options > Change Plan Settings and select "Never" from the "Put the computer to sleep" menu(s).
  
• Before sleeping the system, quit any DAW software using UAD plug-ins.
• If UAD-2 Satellite FireWire is connected, system sleep MUST be disabled. Sleep is not compatible with UAD FireWire devices (UAD-2 Satellite Thunderbolt is compatible with system sleep).
  
  *To access System Preferences, click the Apple icon in the macOS Menu Bar (upper left of screen) then select System Preferences from the drop menu.