The Focusrite Saffire 6 USB is a two-in/four-out USB audio interface. It uses the same award-winning Focusrite mic preamps as the rest of the Saffire range. This makes it the best value, and best sounding interface in its class.
Key Performance Figures
Real World ADC Dynamic Range: 105 dB (A-weighted)
Real World DAC Dynamic Range: 103 dB (A-weighted)
Chipset ADC/DAC Dynamic Range: 114 dB (A-weighted)
Latency (Minimum Buffer Size): 77 SamplesNote: For Latency, the test machine was a Dual Core 2.66gHz Xeon
Mac Pro with 2GB of RAM, running 10.5.7
Microphone Inputs
Dynamic Range (A-Weighted): 105 dB
SNR (A-weighted): -105 dB
Frequency Response: 20Hz - 20kHz +/- 0.1 dB
THD+N: 0.0025% (measured at 1kHz with a 20Hz/22kHz bandpass filter)
Noise: EIN > 120dB (measured with 50dB of gain with 150 Ohm termination (20Hz/22kHz bandpass filter)
Maximum Input level @ Minimum gain for 0 dBFS (without pad): -2.5 dBu
Pad Attenuation: 10 dB
Line Inputs
Dynamic Range (A-weighted): 105 dB
SNR (A-weighted): 105 dB
Frequency Response: 20Hz - 20kHz +/- 0.1dB
THD+N (A-Weighted): < 0.001% (measured with 0dBFS input and 22Hz/22kHz bandpass filter)
Noise: -90dBu (22Hz/22kHz bandpass filter)
Maximum level (A-weighted): 16.3dBu at 1%
Instrument Inputs
Dynamic Range (A-weighted): 105 dB
SNR (A-weighted): 105 dB
Frequency Response 20Hz-20KHz +/- 0.1 dB
THD+N, -1dBFS, min gain, no pad < 0.0025%
Maximum Input Level for 0 dBFS (minimum gain, no pad): -3 dBu
Maximum Input Level for 0 dBFS (maximum gain, no pad): -53 dBu
Maximum Input Level for 0 dBFS (minimum gain, with pad): +7 dBu
Maximum Input Level for 0 dBFS (maximum gain, with pad): -43 dBu
