Focusrite ISA 828

Taking care of drums…

8x ISA 828 Mikrofonvorverstärker über ein RME Dtox 16i/o…..

Microphone Inputs
All measurements taken at minimum gain, Z In: medium, unless otherwise stated. Measurements taken at the analogue outputs
Gain Range 0 to 30 dB or 30 to 60 dB (with ‘30-60’ switch enabled), in 10 dB steps,
plus 0 to 20 dB of continuous trim
Maximum Input Level +7 dBu
Input Impedance Transformer balanced, Low: 600 Ω, ISA 110: 1.4 kΩ, Medium: 2.4 kΩ, High: 6.8 kΩ
Signal-to-Noise Ratio 122 dB ‘A’-Weighted (typical), maximum gain
Frequency Response 20 Hz – 20 kHz ± 0.2 dB | 10 Hz – 110 kHz ± 1.5 dB
THD + N -92 dB (0.0025%) @ -1 dB
High-Pass Filter 75 Hz knee frequency, 18 dB/octave, switchable per channel
EIN <-123 dBu ‘A’-Weighted (typical), maximum gain
Common Mode Rejection Ratio -93 dB @ 1kHz