Apogee Symphony I/O Mk II Thunderbolt (2X6)

Apogee Symphony I/O Mk II 2×6 Special Edition offers the highest quality AD/DA conversion of the Symphony series. Designed specifically for mastering engineers whose critical work demands ultimate sonic performance, 2×6 SE takes advantage of the latest advancements in digital and analog audio technology to offer inputs with 124 dB (A) of dynamic range, THD+N of -116dB and outputs with 131dB (A) dynamic range and an astonishingly low THD+N of -118dB. We dare you to compare these specifications to our competitors – 2×6 SE’s combined specs outperform just about any AD/DA converter available today.

Analog to Digital

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

Digital to Analog

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 Output

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

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)

General Specifications

Power	90 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
Weight	Not specified by manufacturer