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

Analog to Digital
ADCTHD+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
Digital to Analog
DACTHD+N: -117 dB @ 21 dBu (0.00014%)
Dynamic Range: 129 dB (A weighted)
Max Output Levels: -8 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 Output
HeadphoneStereo 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
System RequirementsComputer: Thunderbolt-equipped Mac
Memory: 4 GB RAM minimum, 8 GB RAM recommended
OS X 10.9.5 or greater
Thunderbolt cable (sold separately)
General Specifications
Power90 to 240 VAC, 50/60 Hz, 150 W
Dimensions (W x D x H)Without Rack Ears: 17.8 x 11.5 x 3.5" / 450.9 x 292.1 x 88.9 mm
With Rack Ears: 19.0 x 11.5 x 3.5" / 482.6 x 292.1 x 88.9 mm
WeightNot specified by manufacturer
Packaging Info
Package Weight8.5 kg
Box Dimensions (LxWxH)22.8 x 17.9 x 9.9"

Apogee Electronics 16x16 Mk II Module - Analog Input/Output Module For Symphony I/O Mk II Specs

ADC24-bit
DAC24-bit
Sample Rates44.1 to 192 kHz
Analog Inputs2 x 25-pin D-Sub; 16 x channels total
Requires optional breakout cable
Analog Outputs2 x 25-pin D-Sub; 16 x channels total
Requires optional breakout cable
Digital Input Connectors1 x RCA coaxial S/PDIF
Digital Output Connectors1 x RCA coaxial S/PDIF
Word ClockOn chassis
Power RequirementsFrom chassis
Dimensions (WxDxH)Fits slot on chassis
Packaging Info
Package Weight1.15 kg
Box Dimensions (LxWxH)14.1 x 12.3 x 3.5"