Symphony I/O Mk II is a multi-channel audio interface featuring Apogees flagship AD/DA conversion, modular I/O (up to 32 inputs and outputs), intuitive touchscreen display and optional world-class microphone preamps. Designed to deliver professional sound
Symphony I/O Mk II is a multi-channel audio interface featuring Apogees flagship AD/DA conversion, modular I/O (up to 32 inputs and outputs), intuitive touchscreen display and optional world-class microphone preamps. Designed to deliver professional sound quality for audio recording, mixing and mastering, Symphony I/O Mk II is the ultimate music production centerpiece for any modern studio. With its option card flexibility, Symphony I/O Mk II can provide direct connectivity to one of 4 different platforms Thunderbolt, Pro Tools HD, Dante+ Pro Tools HD, or Waves SoundGrid network.
Specifications
Key Specs
| Channels of I/O | 4 Inputs / 12 Output |
| Maximum Sampling Rate | 192 kHz / 24-Bit |
| Number of Microphone Inputs | 4 |
| Analog Audio I/O | 4x XLR 3-Pin Line Input 2x DB-25 Line Output |
| Digital Audio I/O | 2x RCA Coaxial S/PDIF Input 2x RCA Coaxial S/PDIF Output 2x XLR 3-Pin AES3 Input 2x XLR 3-Pin AES3 Output 2x TOSLINK Optical ADAT / S/PDIF Input 2x TOSLINK Optical ADAT / S/PDIF OutputShowLess |
| Host Connection | 2x Thunderbolt/Mini DisplayPort (Class-Compliant, on Interface) 1x DigiLink Mini (on Interface) |
| OS Compatibility | macOS 10.10 Windows |
| Power Requirements | AC/DC Power Adapter (Included) |
| Channels of I/O | 4 Inputs / 12 Output |
| Built-In DSP | No |
| Maximum Sampling Rate | 192 kHz / 24-Bit |
| Number of Microphone Inputs | 4 |
| Built-In Microphone | No |
| Input Level Adjustment | 1x via Touchscreen 1x Knob |
Signal Processing
| Pad | No |
| Gain/Trim Range | +4 dBu |
| High-Pass Filter | 80 Hz, 12 dB/Octave |
Connectivity
| Analog Audio I/O | 4x XLR 3-Pin Line Input 2x DB-25 Line Output |
| Phantom Power | No |
| Digital Audio I/O | 2x RCA Coaxial S/PDIF Input 2x RCA Coaxial S/PDIF Output 2x XLR 3-Pin AES3 Input 2x XLR 3-Pin AES3 Output 2x TOSLINK Optical ADAT / S/PDIF Input 2x TOSLINK Optical ADAT / S/PDIF Output |
| Host Connection | 2x Thunderbolt/Mini DisplayPort (Class-Compliant, on Interface) 1x DigiLink Mini (on Interface) |
| Host Connection Protocol | Thunderbolt 2 |
| USB (Non-Host) | No |
| Sync I/O | 1x BNC Word Clock Input 1x BNC Word Clock Output 1x BNC Loop Sync Input 1x BNC Loop Sync Output |
| Network I/O | 2x RJ45 Dante |
| MIDI I/O | No |
| Expansion Slots | No |
| Wireless | No |
Performance
| Frequency Response | A/D Converters: 10 Hz to 20 kHz 0.05 dB D/A Converters: 10 Hz to 20 kHz |
| Maximum Input Level | +24 dBu (+4 dB Setting) +6 dBV (-10 dB Setting) |
| Maximum Output Level | +24 dBu |
| Impedance | A/D Converters: 10 Kilohms D/A Converters: 50 Ohms |
| Dynamic Range | A/D Converters: 122 dBA D/A Converters: 126 dBA Headphone: 121 dBA |
| THD+N | A/D Converters: -115 dB / 0.0002% (Unweighted) D/A Converters: -119 dB / 0.00014% (Unweighted) Headphone: -110 dB (@ 19 dBu into 600 Ohm (=80mW)) -101 dB (@ 14 dBu into 32 Ohm (= 470mW)) |
Digital Audio
| Sample Rates | Up to 192 kHz |
| Sample Rate Conversion | No |
| Bit Depths | Up to 24-Bit |
| Sync Sources | Word Clock |
| Clocking | Internal: |
Audio Storage & Playback
| Media/Memory Card Slot | No |
Compatibility
| OS Compatibility | macOS 10.10 Windows |
| Mobile App Compatible | No |
| Mobile Device Compatibility | No |
| Required Hardware | Thunderbolt 2 Port |
Power
| Power Requirements | AC/DC Power Adapter (Included) |
| AC Input Power | 90 to 240 VAC, 50 / 60 Hz |
| AC/DC Power Adapter | Included |
| Power Consumption | 150 W |
Physical
| Rackmount Size | 1 RU |
| Dimensions | 19 x 11.5 x 3.5″ / 48.26 x 29.2 x 8.9cm (with Rack Ears) |
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