| {  "Noise" : {  "Main Mix Fader Down, Channel Faders Down" : "-101 dBu",  "Main Mix at Unity, Channel Faders Down" : "-91 dBu (95 dB signal to noise ratio, ref +4 dBu) ",  "Main Mix Fader at Unity, Channel Faders at Unity" : "-86 dBu"  },  "Total Harmonic Distortion (THD)" : {  "Microphone Pre @ Insert" : "<0.0007%"  },  "Crosstalk / Attenuation" : {  "Main Mix Fader Down" : "-100 dBu",  "Channel Alt / Mute Switch Engaged" : "-90 dBu",  "Channel Fader Down" : "-90 dBu"  },  "Frequency Response" : {  "Microphone Input to Main Output (Gain at Unity)" : [  "+0, -1 dB, 20 Hz to 50 kHz",  "+0, -3 dB, <10 Hz to >100 kHz"  ]  },  "Equivalent Input Noise" : {  "150 Ω Termination" : "-128.5 dBu, 20 Hz to 20 kHz",  "Microphone input to insert send out, maximum gain" : ""  },  "Common Mode Rejection Ratio" : "Better than -70 dB @ 1 kHz",  "Maximum Level" : {  "Microphone In" : "+22 dBu",  "Tape In" : "+16 dBu",  "All Other Inputs" : "+22 dBu",  "Main Mix XLR Out" : "+28 dBu",  "All Other Outputs" : "+22 dBu"  },  "Impedance" : {  "Microphone In" : "2.5 kΩ",  "Channel Insert Return" : "2.5 kΩ",  "All Other Inputs" : "10 kΩ or greater",  "Tape Out" : "1.1 kΩ",  "All Other Outputs" : "120 Ω"  },  "Equalizer" : {  "High Shelving" : "±15 dB @ 12 kHz",  "Mid Peaking" : "±15 dB @ 2.5 kHz",  "Low Shelving" : "±15 dB @ 80 Hz"  },  "Power Consumption" : "25 W, 100 to 120 VAC, 50 to 60 Hz",  "Operating Temperature" : "32 to 104°F (0 to 40°C)",  "Fuse Rating" : {  "100 to 120 V" : "500 mA slo blo, 5 x 20 mm",  "220 to 240 V" : "250 mA slo blo, 5 x 20 mm"  },  "Dimensions (H x W x D)" : "12.5 x 14.0 x 3.2" (317.0 x 356.0 x 81.0 mm)",  "Weight" : "9.5 lb (4.5 kg)"  } |