Apogee Electronics Symphony I/O Mk II Chassis (Thunderbolt)

The Apogee Electronics Symphony I/O Mk II Chassis (Thunderbolt) features 2 Input/Output Module Slots Up to 16 Channels. This chassis is designed for professional audio applications and includes specifications such as ADC, DAC, headphone output, system requirements, power, dimensions, weight, and package details. The product is compatible with Thunderbolt-equipped Mac computers and requires a minimum of 4 GB RAM, with 8 GB RAM recommended. It operates on 90 to 240 VAC, 50/60 Hz, and has a power consumption of 150 W. The dimensions are 17.8 x 11.5 x 3.5" without rack ears and 19.0 x 11.5 x 3.5" with rack ears. The package weight is 18.4 lb.

• ADC: THD+N: -114 dB @ 22 dBu (0.00020%) Dynamic Range: 122 dB (A weighted) Maximum Input Levels: +4 dB Setting: +24 dBu -10dB Setting: +6 dBV Frequency Response at 44.1 kHz: 1 Hz to 20 kHz (±0.05 dB) Input impedance: 10 kOhms
• DAC: THD+N: -117 dB @ 21 dBu (0.00014%) Dynamic Range: 129 dB (A weighted) Max Output Levels: -∞ to +24 dBu Frequency Response at 44.1 kHz: DC to 20 kHz (±0.05 dB) Output Impedance: 25 Ohms Outputs are balanced through Apogee's proprietary Perfect Symmetry Circuitry (PSC)
• Headphone: Stereo Headphone Output (Front Panel): 1/4" / 6.35 mm THD+N: -110 dB @ 19 dBu into 600 Ohm (=80 mW) -101 dB @ 14 dBu into 32 Ohm (=470 mW) Dynamic Range: 121 dB (A weighted) Output: Apogee's proprietary Constant Current Drive provides smooth frequency response with any headphones
• System Requirements: Computer: Thunderbolt-equipped Mac Memory: 4 GB RAM minimum, 8 GB RAM recommended OS X 10.9.5 or greater Thunderbolt cable (sold separately)
• Power: 90 to 240 VAC, 50/60 Hz, 150 W