Description
4-710d 4-Channel Mic Preamp Specifications:
Analog Section, Channels 1-4
Note: all specifications are typical performance unless otherwise noted. Unless otherwise noted, all specifications are 20Hz-20kHz, minimum gain, maximum level, 24-bits, all switches in neutral or off mode, 100% solid state, digital output = 0dBFS.
Microphone Preamplifier to Line Out:
Gain Range: 56dB
Min Gain: 14dB
Max Gain: 70dB
Max Input Level (bal): 6.7dBu
Max Output Level (bal): 20dBu
Input Impedance (bal): 2kÎ
Input Impedance (Hi-Z): 2.2MÎ
Output Impedance (bal): 600 Î
Equiv. Input Noise (150Î, 56dB gain): -127dBu
Frequency response (20Hz-20kHz): +0.1/-0.15dB
Crosstalk (max gain, 1kHz): < -115dB
Low Cut Filter:
Type: Bessel 2nd Order
Corner Frequency: 75Hz
Attenuation (20Hz): -23dB
Pad:
Attenuation: 15dB
Phantom Power:
Phantom Power Current (per jack): 10 mA
Voltage: 48V ±1V
Compressor:
Threshold: 10dBu
Compression Ratio: 4:1
Fast Attack Time: 0.3ms
Fast Release Time: 100ms
Slow Attack Time: 2.0ms
Slow Release Time: 1100ms
Analog-To-Digital Converter Section
Note: all specifications are typical performance unless otherwise noted. Unless otherwise noted, all specifications are 20Hz-20kHz, minimum gain, maximum level, 24-bits, all switches in neutral or off mode, 100% solid state, -1dBFS output.
Microphone & Line Inputs (Ch 1-4):
THD+N (-1dBFS): -100dB (0.001%)
SNR (A-Wt): 110dB
Dynamic Range (-60dBFS, A-wt): 110dB
Frequency response: +0.1/-0.15dB
Stereo Phase: <0.3 deg
Line Input (Ch 5-8):
THD+N (-1dBFS): -103dB (0.0007%)
SNR (A-Wt): 117dB
Dynamic Range (-60dBFS, A-Wt): 117dB
Frequency response: ±0.1dB
