User manual
Apogee Electronics Symphony I O Mk

User Manual for Apogee Electronics Symphony I O Mk II SoundGrid Chassis with 8x8 Analog I O, 8x8 Digital I O, and 8 Microphone Preamps

• Product category: Audio Interfaces & Systems Apogee Electronics
• Brand: Apogee Electronics
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Apogee Electronics Audio Interfaces & Systems

Product description

• Symphony I/O Mk II SoundGrid Chassis (No I/O Modules) The Apogee Electronics Symphony I/O Mk II SoundGrid Chassis is a SoundGrid-compatible audio interface chassis designed to provide Ethernet connectivity to computers and SoundGrid devices for recording and mixing engineers in broadcast, post-production, studio, and live stage applications. It features an RJ45 port in the pre-installed SoundGrid option card and BNC word clock I/O. A stereo 1/4" headphone jack enables quick and effective monitoring with a variety of headphone impedances. Ultra-low latency ensures proper timing in signal conversion and routing, even when connected to your Waves SoundGrid server and recording with your SoundGrid-compatible plug-ins. Configure and control the chassis via the free SoundGrid Studio app or utilize the color touchscreen display and large rotary control on the front panel. Install multiple I/O cards (available separately) for up to thirty-two channels of analog inputs and outputs. The Symphony I/O Mk II is made in the USA and ships with a power cable.
  • Pre-installed SoundGrid option card allows Ethernet connectivity to your computer, a network switch, and/or SoundGrid-compatible devices
  • Sync audio between multiple computers, DAWs, and rooms
  • Ultra-low-latency performance
  • Near-zero-latency recording with any SoundGrid-compatible plug-ins (requires SoundGrid server)
  • Compatible with Waves SoundGrid servers
  • Setup and advanced control via Waves SoundGrid Studio application
  • Stereo 1/4" headphone jack features Apogee's proprietary Constant Current Drive for smooth frequency response with any headphones
  • Easy-to-use color touchscreen display
  • Large front-panel control for quick adjustment of selected parameter
  • Supports multiple I/O cards for up to 32 channels of analog inputs and outputs
  • BNC word clock I/O for synchronizing external equipment
  • Designed in California, made in the USA
  UPC: 805676302140
• 8x8 Mk II Module - 16-Channel Analog and AES/Optical I/O Module for Symphony I/O Mk II The 8x8 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. Note: Requires Symphony I/O Mk II Chassis with available card slot.
  • 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
  UPC: 805676301532
• A8MP - Microphone Preamp Module for Symphony I/O The A8MP from Apogee is a module for the company's Symphony system that enhances the system's analog input by adding 8 microphone preamps. Additionally, up to 4 instrument inputs can be connected directly to the module and twin D-Sub connectors deliver 8 fully balanced inserts points.
  
  Microphones do not connect directly to the Mic Preamp Module. They must be connected to the analog inputs of an analog I/O Module that has been installed in slot 1 of the Symphony chassis. The microphone preamps are then enabled in the Maestro software. Phantom power can also be enabled individually from the software.
  • Eight digitally controlled, 85dB microphone preamps
  • Upgrades functionality of Analog I/O Module by adding microphone preamps to the existing line inputs
  • Creates a direct connection between the Mic Preamp Module and the Analog I/O Module by inserting a microphone preamp stage before the line inputs
  • Phantom power individually switchable (via Maestro)
  • Four Hi-Z 1/4" instrument inputs capable of handling high level instruments
  • Eight fully balanced insert points on 25-pin D-Sub connectors
  UPC: 805676300788

• Power Cable

• Limited 1-Year Warranty

• Limited 1-Year Warranty

• One (1) Year Warranty

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Technical parameters

• Symphony I/O Mk II SoundGrid Chassis (No I/O Modules)

  Interface Connector	1 x RJ45 port (SoundGrid interface)
  Word Clock I/O	1 x BNC word clock input 1 x BNC word clock output
  Outputs	1 x 1/4" TRS headphone jack
  Dynamic Range	121 dBA
  THD+N	-110 dB @ 19 dBu into 600 Ohms (= 80 mW) -101 dB @ 14 dBu into 32 Ohms (= 470 mW)
  Power Requirement	90 to 240 VAC, 50/60 Hz, 150 W
  Dimensions (W x H x D)	19.0 x 3.5 x 11.5" / 48.3 x 8.9 x 29.2 cm (with rack ears)
  Weight	14 lb / 6.4 kg
  Country of Manufacture	United States of America

  Box Dimensions (LxWxH)	23.0 x 18.1 x 9.9"

• 8x8 Mk II Module - 16-Channel Analog and AES/Optical I/O Module for Symphony I/O Mk II

  ADC	24-bit
  DAC	24-bit
  Sample Rates	44.1 to 192 kHz
  Analog In	1 x 25-pin D-Sub; 8 channels Requires optional breakout cable
  Analog Outputs	1 x 25-pin D-Sub; 8 channels Requires optional breakout cable
  AES In/Out	1 x 25-pin D-Sub for AES/EBU input and output 8 channels of input and output Requires optional breakout cable
  Digital Input Connectors	1 x RCA; coaxial S/PDIF; 2 channels 2 x TOSLINK; optical ADAT, S/PDIF, or SMUX ADAT: 8 channels, 44.1 - 48 kHz S/PDIF: 2 channels, up to 96 kHz SMUX: 8 channels, 88.2 - 96 kHz
  Digital Output Connectors	1 x RCA; coaxial S/PDIF; 2 channels 2 x TOSLINK; optical ADAT, S/PDIF, or SMUX ADAT: 8 channels, 44.1 - 48 kHz S/PDIF: 2 channels, up to 96 kHz SMUX: 8 channels, 88.2 - 96 kHz
  Word Clock	On chassis
  Power Requirements	From chassis
  Dimensions (WxDxH)	Fits slot on chassis

  Box Dimensions (LxWxH)	14.2 x 12.4 x 3.6"

• A8MP - Microphone Preamp Module for Symphony I/O

  ADC	24-bit
  DAC	24-bit
  Sample Rates	Up to 192kHz
  Analog In	4 x 1/4" TS phone 1 x 25-pin D-Sub Insert Returns (requires optional breakout cable)
  Input Impedance	10kΩ
  Maximum Input Level	+4dB setting: +24dBu -10dB setting: +6dBV
  Analog Outputs	1 x 25-pin D-Sub Insert Sends (requires optional breakout cable)
  Output Impedance	25Ω
  Maximum Output Level	∞ to +24dBu
  Digital Input Connectors	No
  Digital Output Connectors	No
  Dynamic Range	A/D: 120dB, A-weighted D/A: 129dB, A-weighted
  THD + N	A/D: -113dB @ 20dBu (0.00024%) D/A: -117dB @ 20dBu (0.00014%)
  Frequency Response	A/D: 1Hz to 20kHz (+/-0.05dB)@ 44.1kHz D/A: DC to 20kHz (+/-0.05dB)@ 44.1kHz
  Word Clock	On chassis
  Power Requirements	From chassis
  Dimensions (WxDxH)	Fits slot on chassis

  Box Dimensions (LxWxH)	14.2 x 13.7 x 3.6"

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