ProFire 610 - High-Definition 6-in/10-out FireWire Audio Interface with Octane Preamp Technology
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Specifications


Line Inputs (Balanced)
Frequency Response+/- 0.1dB, 20Hz to 22kHz
+/- 0.2dB, 20Hz to 80kHz (192kHz)
Signal-to-Noise Ratio-108dB (A-weighted)
Dynamic Range108dB (A-weighted)
THD+N0.002% (-94dB), 1kHz, -1dBFS
Crosstalk<-110dB @ 1kHz
Maximum Input level+16.1dBu, typical
Input Impedance>20k ohm, balanced

Mic Inputs (Balanced) At Min Gain, No Pad
Frequency Response+/- 0.2dB, 20Hz to 22kHz
Signal-to-Noise Ratio (min gain, no pad)-108dB (A-weighted)
Dynamic Range (min gain, no pad)108dB (A-weighted)
THD+N (min gain, no pad)0.0022% (-93dB) @ -1dBFS, 1kHz
Crosstalk< -110dB @ 1kHz
Maximum Input levelfrom +28dBu @ min gain, pad on to -45dBu @ max
gain, no pad
Input Impedance3.7k ohms, balanced, no pad
Adjustable Gain>53dB without pad
Pad-20dB

Inst. Inputs (Unbalanced) At Min Gain, No Pad
Frequency Response+/- 0.2dB, 20Hz to 22kHz
Signal-to-Noise Ratio (min gain, no pad)107dB (A-weighted)
Dynamic Range (min gain, no pad)107dB (A-weighted)
THD+N (min gain, no pad)0.0025% (-92dB), 1kHz, -1dBFS
Crosstalk< -110dB @ 1kHz
Maximum Input levelfrom +14.5dBV @ min gain, no pad to -39dBV @ max
gain, no pad
Input Impedance1M Ohm unbalanced
Adjustable Gain>53dB without pad
Line Outputs (Balanced)
Frequency Response+/- 0.1dB, 20Hz to 22kHz
+/- 0.2dB, 20Hz to 80kHz (192kHz)
Signal-to-Noise Ratio-108dB (A-weighted)
Dynamic Range108dB (A-weighted)
THD+N0.0016% (-96dB) @ -1dBFS, 1kHz
Crosstalk< -105dB @ 1kHz
Maximum Output Level+15.9dBu balanced, typical
Output Impedance940 ohm balanced

Headphone Outputs at Maximum Volume into 32 ohm Load
Frequency Response+/- 0.1dB, 20Hz to 22kHz
Signal-to-Noise Ratio-108dB (A-weighted)
Dynamic Range108dB (A-weighted)
THD+Noise0.003% (-90.0dB), 1kHz, -1dBFS
Max Output Level into 32 ohms+2.9dBV, typical
Power into Ohms60 mW into 32 ohms
Output Impedance75 ohm
Load Impedance24 to 600 ohms
Crosstalk<-75dB @ 1kHz
*Typical measurements at 48kHz sample rate unless otherwise stated.