The 8×8 version of the Symphony I/O Mk II – Audio Interface from Apogee Electronics consists of the Symphony I/O Chassis outfitted with the 8×8 Mk II – Analog/Digital In/Out Module. The front-panel touch screen offers convenient access to nearly every setting including sample rate, clock source, headphone & speaker output levels, meters for all I/O and section navigation, as well as input levels, digital I/O, and configuration settings. The rear panel provides access to the additional I/O Module slot for adding another optional I/O card, while the two Thunderbolt connectors ensure compatibility with newer Mac computers. Also included are Wordclock I/O connectors & termination, an option card slot, and a quiet digitally controlled fan to keep everything running cool.
The 8×8 Mk II module offers any combination of 8 x 8 analog input and output, and 8 x 8 AES/EBU or optical digital input and output. The module occupies one of the two slots available on the chassis. The A/D circuit has been refined to offer a streamlined circuit design, resulting in the most transparent signal path to the A/D stage possible. A dual-sum A/D stage is utilized where two conversion stages are summed for each analog channel, offering the lowest distortion and the greatest dynamic range of any A/D converter Apogee has ever designed.
The D/A section has been optimized with a more powerful and robust output driver that is capable of driving virtually any input without a decrease in performance, regardless of the load presented by the connected gear. The analog inputs and outputs are offered on DB25 connectors and require optional breakout cables, available in various configurations to suit individual requirements.
Apogee Electronics Symphony I/O Mk II Chassis (Thunderbolt)
The Symphony I/O Mk II from Apogee Electronics is an advanced, flexible multi-channel audio interface featuring the newest flagship AD/DA conversion, modular I/O (up to 32 inputs and outputs), and an intuitive touchscreen display. The chassis provides two I/O Module slots for a variety of digital audio conversion options that form the interface side of the Symphony I/O Mk II. The front-panel touch screen offers convenient access to nearly every setting including sample rate, clock source, headphone & speaker output levels, meters for all I/O and section navigation, as well as input levels, digital I/O, and configuration settings.
The rear panel provides access to the two I/O Module slots that are capable of a combined thirty-two channels of input and output, while the two Thunderbolt connectors ensure compatibility with newer Mac computers. Also included are Wordclock I/O connectors & termination, an option card slot, and a quiet digitally-controlled fan to keep everything running cool.
The Symphony I/O Mk II features a single ultra-high-fidelity DAC and headphone amplifier with Apogee’s Constant Current Drive technology, which was first introduced in the Apogee Groove. The headphone amplifier dynamically compensates for non-linearities of any connected headphones, providing massive power while maintaining extremely low distortion and linear frequency response.
The optional five I/O Modules allow the user to choose from standard configurations, or customize the following – channel count, analog to digital input, digital to analog output, microphone preamps (requires an analog card), and digital I/O.
- Legendary AD/DA conversion
- Up to 32 channels of modular analog I/O with optional 8 mic preamps
- Ultra-low latency performance
- Intuitive touchscreen display and front panel control
- Option card slot for future platform flexibility
- Dynamic Temperature Control
- Designed in California, built in the U.S.A.
- Apogee Electronics 8×8 Mk II Module – 16-Channel Analog and AES/Optical I/O Module for Symphony I/O Mk II
The 8×8 Mk II Module from Apogee is a 16-channel module for the Symphony I/O that allows for any combination of 8 x 8 analog input and output, and 8 x 8 AES/EBU or optical digital input and output. The module occupies one of the two slots available on the chassis. The A/D circuit has been refined to offer a streamlined circuit design, resulting in the most transparent signal path to the A/D stage possible. A dual-sum A/D stage is utilized where two conversion stages are summed for each analog channel, offering the lowest distortion and the greatest dynamic range of any A/D converter Apogee has ever designed.
The D/A section has been optimized with a more powerful and robust output driver that is capable of driving virtually any input without a decrease in performance, regardless of the load presented by the connected gear. The analog and AES inputs and outputs are offered on DB25 connectors and require optional breakout cables, available in various configurations to suit individual requirements.
- 8 x 8 channels of analog input/output with 8 x 8 channels of AES/EBU or optical digital input/output, available simultaneously up to a total of 16 channels
- Optical digital supports ADAT, SMUX, and S/PDIF
- S/PDIF input and output up to 192 kHz on RCA coaxial that replaces two input channels and mirrors two output channels
- Ultra-low latency AD and DA conversion
- Rear-panel digital I/O hardware switch selects AES or optical digital I/O format
- Symphony I/O Mk II – Chassis
- 8X8S2 – Analog/Digital In/Out Module
- 8 Channels of Analog & Digital I/O
- Front-Panel Touchscreen w/ TFT Display
- Multi-Function Control Knob
- Headphone Output
- Dynamic Temperature-Controlled Fan
- Compatible with any Core Audio Software
- Direct Connect to Thunderbolt Mac
- Includes Rack Ears and Bolts





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