Symphony I/O: Connecting to a Symphony 64 Thunderbridge or PCIe Card


When audio interface mode is set to Symphony, one (1) Symphony I/O with up to 32 channels of input and output may be connected to each port of a Symphony 64 Thunderbridge or PCIe card.

Connect one end of an Apogee PC-32 cable (supplied with the Thunderbridge or PCIe card) to the first Symphony I/O Main port and the other end to the Symphony 64's Channels 1-32 port. Connect a second PC-32 cable to the second Symphony I/O Main port and the other end to the Symphony 64's Channels 33-64 port. 

IMPORTANT - Once all PC-32 connections are made, launch Audio MIDI Setup (Applications Utilities Audio MIDI Setup). We recommend using Audio MIDI Setup instead of System Preferences Sound. Make sure that ‘Symphony64′ (PCIe or Thunderbridge) is selected in the left-side column. In the ‘Source’ menu on the right, choose the appropriate port selection depending on how many Symphony I/Os you have. If you have 1 unit, choose ‘Port 1: 32ch’… if you have 2 units, choose ‘Ports 1-2: 64Chs’. Quit Audio MIDI Setup and restart the computer.

Connecting 16X and Rosetta Series Interfaces

With Symphony I/O Release 4.2 and greater, it's possible to integrate Apogee 16X and Rosetta Series interfaces into your Symphony system. Please follow the guidelines listed below:

  • Note that at the current time, the use of only 1 Symphony 64 Thunderbridge or PCIe card is supported regardless of the interface connected.
  • When connecting legacy Apogee interfaces to a Symphony 64 Thunderbridge or PCIe card, ensure that the interfaces are connected in a supported hardware combination, as listed below. Itʼs possible to connect one supported combination to each port.
  • When connecting both Symphony I/Os and legacy Apogee interfaces, 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 Thunderbridge or PCIe card, the “Use Loop Sync” checkbox does not appear and Loop sync functionality is defeated on the Symphony I/O. See "Making Clock Connections - Locking multiple interfaces using a Star clock configuration".

Maestro cannot distinguish between an AD16X and DA16X when the interface is set to Advanced routing mode. Similarly, Maestro can't distinguish between a Rosetta 800 and Rosetta 200. In order that audio paths displayed in the Input and Output Routing tabs correspond to the actual hardware I/O, specify the connected device in the Device Settings Device Type drop down. If neither a 16X Series in Advanced routing nor a Rosetta is connected, the Device Type drop down is not displayed.

The following combinations of legacy interfaces are supported.

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