focusrite-isa-828

For detailed info and specifics please visit the manufacturer’s website

Specifications:
Mic Inputs
Gain range0 dB to 60 dB in 10 dB steps
Input ImpedanceVariable, 600Ω, 1k4Ω, 2k4Ω, 6k8Ω
EIN (equivalent input noise)-126 dB measured at 60 dB of gain with 150 Ohm terminating impedance and 22 Hz / 22 kHz bandpass filter
Noise at main output with gain at unity (0 dB)-97 dBu measured with a 22 Hz / 22 kHz bandpass filter
Signal to noise ratio relative to max headroom (9dBu)106 dB
THD at medium gain (30dB)0.0008% measured with a 1 kHz -20 dBu input signal and with a 22 Hz / 22 kHz bandpass filter
Frequency response at minimum gain (0 dB)-0.5 dB down at 10 Hz and –3 dB down at 110kHz
Frequency response at maximum gain (60 dB)–3 dB down at 16 Hz and –3 dB down 85 kHz
CMRR91.8 dB (Channel 1, 1 kHz, maxiumum gain)
Crosstalk Channel to ChannelWith 10 dB @ 1 kHz input to chA, chB output = 102 dBrA. With 10 dB @ 10 kHz input to chA, chB output = 84 dBrA
Line Inputs

Gain range-20 dB to +10 dB in 10 dB steps
Input Impedance10 kΩ from 10 Hz to 200 kHz
Noise at main output with gain at unity (0 dB)-96 dBu measured with a 22 Hz / 22 kHz bandpass filter
Signal to noise ratio relative to max headroom (24 dBu)120 dB
Signal to noise ratio relative to 0dBFS(+22dBu)118dB
THD at unity gain (0dB)0.001% measured with a 0 dBu input signal and with a 22 Hz / 22 kHz bandpass filter
Frequency Response at unity gain (0dB)0.3 dB down at 10 Hz and –3 dB down at 122 kHz
Instrument Inputs

Gain range10 dB to 40 dB continuously variable
Input Impedance1 MΩ or 300 kΩ
Noise at minimum gain (+10 dB)-90 dBu measured with a 22 Hz / 22 kHz bandpass filter
Noise at maximum gain (+40 dB)-62 dBu measured with a 22 Hz / 22 kHz bandpass filter
THD at minimum gain (+10 dB)0.002% measured with a 10 dBu input signal and with a 22 Hz / 22 kHz bandpass filter
Frequency Response at 10 dB gain with -10 dB input10 Hz – 200 kHz +/- 0.6 dB
Frequency Response at 40 dB gain with -40 dB input-2.5 dB down at 10 Hz and 0 dB at 200 kHz
Instrument Inputs

Roll off18 dB per octave 3 pole filter
FrequencyFixed 75Hz measured at the 3dB down point
Weight and Dimensions

Weight8.84 kg19.5 lbs
Dimensions (W x H x D)484mm (W) x 85mm (H) x 305mm (D) (350mm depth with heat sink)19″ (W) x 3.5″ (H) x 12″ (D) (13.8″ depth with heat sink)