Symphony64 Thunderbridge not showing up correctly after updating to macOS 10.12 Sierra

There is a known issue where the Symphony64 Thunderbridge would show up with the generic ‘Device’ label and wouldn’t work correctly after updating to macOS 10.12 Sierra.

This issue has been fixed in the latest Sierra-compatible Symphony software installer.

If you are updating to macOS 10.12 Sierra and use Symphony64 Thunderbridge, make sure to run the most current Symphony installer that is compatible with Sierra.

What is ‘SBUS’ (connecting 2 Macs together via 2 Symphony64 cards) and is it still supported?

SBUS was a functionality that was included with the original Symphony 64 PCIe release.  SBUS let you connect multiple Macs together to pass audio back and forth between them using Symphony 64 PCIe cards. Unfortunately, it was no longer supported after the release of Symphony I/O.


To use SBUS, you need at least 2 Macs (each Mac must be running OS version 10.5.8 or 10.6.8) and 2 Symphony 64 cards, along with at least one compatible Legacy Apogee converter (AD16x, DA16x, Rosetta800, or Rosetta200).  If you meet all these requirements and would like to use SBUS, click here to download the compatible Symphony 64 installer.


For a detailed description of SBUS, including how to set it up and use it, see pages 12-16 of the Symphony 64 user’s guide.




What is the ‘A button’ (device ID) in Maestro for?

Most Apogee products that use the Apogee Maestro 2 control application will include a ‘Device ID’ button that can be found in multiple Maestro tabs under a graphical icon for the connected Apogee device. You will usually see this button as an ‘A’.

Here is an example of what it looks like when you have a Symphony I/O connected:



The purpose of this button is to quickly identify which Apogee device you’re adjusting parameters in Maestro for. When you click on the button, it will light up the front-panel of the corresponding Apogee device so you can see which device you are adjusting parameters in Maestro for. Click the button again and the device will no longer be identified.

Since multiple Apogee devices can be connected and appear in Maestro at the same time, it can sometimes be confusing to know which device you’re adjusting parameters for. Having more than one Duet or Quartet connected to a Mac may not be as common as having multiple Symphony I/Os or Ensembles connected, but the ‘Device ID’ buttons are there for each product, just in case.


A typical use-case:

You have 2 Symphony I/Os connected to one Mac and both are showing up in Apogee Maestro. You can go to the ‘Device Settings’ tab in Maestro and change the peripheral prefix of the 2nd Symphony I/O to ‘B’ (or any other letter you want). Now, when you click the ‘B’ button (Device ID) in Maestro, the 2nd Symphony I/O will become identified.  If you click the ‘A’ button, the 1st Symphony I/O will become identified.


Why are the input and output level/volume popup indicators not showing up?

Several Apogee products have pop-up level indicator graphics that will appear on the desktop of your Mac when the input and output levels are adjusted from the device or from the Mac’s keyboard volume buttons.


If the pop-ups aren’t appearing, there are a few things to check:

Launch ‘Apogee Maestro 2’ from your Applications folder, click on the ‘Apogee Maestro 2’ drop-down desktop menu and select ‘Preferences’. Confirm that the ‘Display pop-ups’ checkbox is checked. If you don’t see this option, then pop-ups aren’t available for the product you’re using.


If you’ve confirmed that the ‘Display pop-ups’ checkbox is checked and you’re still not getting the pop-ups, try the following:


– Unplug/replug your Apogee device

– Restart your Mac

– Launch ‘Activity Monitor’ (Applications> Utilities> ‘Activity Monitor’), click the ‘View’ drop-down desktop menu and select ‘All Processes’. Type ‘apogeepopup’ in the searchbar in the upper right-side corner of Activity Monitor. Once you see ‘ApogeePopup’ displayed in the list, highlight it and force-quit the process by clicking the ‘X’ button in the upper left-side corner of Activity Monitor. Wait a few seconds and you should see the popups again after adjusting input/output level.


*Note for Duet Firewire and Ensemble Firewire customers*

There was a known issue with pop-ups not working for Duet Firewire and Ensemble Firewire when using any version of Mac OS 10.8. It is recommended that you use either a version of Mac OS earlier than 10.8 or later than 10.9.



Using Legacy interfaces (AD16x, DA16x, Rosetta) with Symphony64 card or Thunderbridge

Click here to download the latest Symphony Installer package


To update

  1. If youʼre installing this release over a previously installed version of Symphony 64/Maestro 1, you should run the Symphony64 Uninstaller before updating to the current Symphony Release installer. If youʼre installing this release over a previously installed version of Symphony I/O software, you should run the Symphony Uninstaller included with the current Symphony Release installer package. If youʼve installed both versions, you should run both uninstallers.
  2. Double-click the Symphony System Software Installer and follow the instructions provided by the installation application.
  3. No firmware updates are required – the Symphony IO Firmware Updater is for Symphony I/O users only.
  4. You will be required to re-start your computer once installation is complete.

After updating – After updating, verify that the Symphony Source setting (found in the Maestro 2 > System Setup tab and Audio MIDI Setup) is set to the appropriate Port setting:

  • If interfaces are connected only to Port 1, set Source to Port 1 Chs 1-32.
  • If interfaces are connected to both Ports 1-2, set Source to Ports 1-2 chs 1-64.

New Features – Legacy interfaces

  • The “A” icon that previously appeared in the Apple Menu bar has been removed – Look in Maestro 2ʼs Toolbar System Status display for system information.
  • To distinguish between an AD16X and DA16X when the interface is set to Advanced routing mode or a Rosetta 800 and 200, the setting Device Type is provided in Maestro 2 (Device Settings tab). This ensures that audio paths displayed in the Input and Output Routing tabs correspond to the actual hardware I/O. If neither a 16X Series in Advanced routing nor a Rosetta is connected, the Device Type drop down is not displayed.

Known issues – Legacy DA16X Interface

  • When a single DA16X is connected in Advanced routing mode, it will initially appear as an AD16X. Simply choose DA16X under Maestro 2ʻs Device Settings > Device Type drop down menu for the interface to be correctly detected.
  • When using Symphony I/O and legacy interfaces together, Routing tabs may not display the proper number of inputs and outputs. To work around this issue, restart the computer.
  • The AD16X may initially be detected as a Rosetta 800. Workaround – restart the computer.

Using Legacy Apogee Interfaces with OS X Lion & Maestro 2

  • Note that at the current time, the use of only 1 Symphony 64 card is supported regardless of the interface connected.
  • When connecting legacy Apogee interfaces to a Symphony 64 PCIe card or Thunderbridge, ensure that the interfaces are connected in a supported hardware combination, as listed below. With a Symphony 64 PCIe card or Thunderbridge, itʼs possible to connect one supported combination to each port.
  • When connecting both Symphony I/Os and legacy Apogee interfaces to a Symphony 64 PCIe card or Thunderbridge, connect the Symphony I/O to Port 1 Channels 1-32 port and legacy interfaces (in a supported combination) to the Port 2 Channels 1-64 port.
  • Legacy Apogee interfaces donʼt include Loop clock functionality (as found on Symphony I/O). Thus, when legacy interfaces are connected to a Symphony 64 PCIe card or Thunderbridge, the “Use Loop Sync” checkbox does not appear and Loop sync functionality is defeated on the Symphony I/O. Use one of the clock configurations described on pages 6-7 of the Symphony 64 Userʼs Guide v1.1.

Legacy Interface Supported Combinations

See the Symphony 64 Userʼs Guide v1.1 for connection diagrams

1 to 4 Rosetta 800s
1 to 4 Rosetta 200s
1 AD16X (standard routing) 1 AD16X (advanced routing) 2 AD16X (standard routing) 2 AD16X (advanced routing)

1 DA16X (standard routing) 1 DA16X (advanced routing) 2 DA16X (standard routing) 2 DA16X (advanced routing)

1 AD16X (standard routing) + 1 DA16X (standard routing)
1 AD16X (standard) + 1 DA16X (standard) + 1 AD16X (standard) + 1 DA16X (standard) 1 AD16X (advanced routing) + 1 DA16X (advanced routing)

1 Rosetta 800 + 1 AD16X (standard routing) 1 Rosetta 800 + 1 AD16X (advanced routing) 1 Rosetta 800 + 1 DA16X (standard routing) 1 Rosetta 800 + 1 DA16X (advanced routing)

1 AD16X (standard routing) + 1 Rosetta 800 1 AD16X (advanced routing) + 1 Rosetta 800 1 DA16X (standard routing) + 1 Rosetta 800 1 DA16X (advanced routing) + 1 Rosetta 800

1 AD16X (standard routing) + 1 DA16X (standard routing) + 1 Rosetta 800

“Bus Error” when using Symphony64 PCI card or Symphony64|ThunderBridge

Bus Error is a message that will appear in the Apogee Maestro 2 window under the System Status section. This is typically a communication issue between the connected device, and the Symphony64 or Symphony64|Thunderbridge.

This can be caused by several things:

  1. A common cause for this is that the port setting in Audio MIDI Setup (Applications>Utilities) is set to Ports 1-2, when only one port is actually being used.

  2. A bad PC32 cable (DigiLink)

  3. If using a Symphony I/O, the AIM setting could be incorrectly set to “USB Audio”, “Standalone”, or “Pro Tools HD”, instead of the “Symphony” setting.

  4. Connecting a single device to Port 2 (17-32), instead of Port 1 (1-32)

If only one device is connected and you are receiving the Bus Error message in the system status window in Maestro, please revert back to the Port 1 (32 channels) setting in Audio MIDI Setup. You may need to reboot your computer for the new setting to take place. Secondly, ensure by pressing and holding the right-hand encoder knob on the front panel of SymphonyIO, you are in fact in “Symphony” mode.