Universal Audio 4-710d Four-Channel Tone-Blending - Manual (Page 37)

37
Specifications
Analog Section, Channels 1–4
Note: all specifications are typical performance unless otherwise noted. Unless otherwise noted, all
specifications are 20 Hz-20 kHz, minimum gain, maximum level, 24 bits, all switches in neutral or off
mode, 100% solid state, digital output = 0 dBFS.
MICROPHONE PREAMPLIFIER TO LINE OUT
Gain Range 56 dB
Min Gain 14 dB
Max Gain 70 dB
Max Input Level (bal) 6.7 dBu
Max Output Level (bal) 20 dBu
Max Output Level (unbal) 14 dBu
Input Impedance (bal) 2 kΩ
Input Impedance (Hi-Z) 2.2MΩ
Output Impedance (bal) 600 Ω
Output Impedance (unbal) 300 Ω
Equiv. Input Noise (150Ω, 56 dB gain) -127 dBu
Frequency Response (20Hz-20kHz) +0.1/-0.15 dB
Phase (Mic In to Line Out, 20 kHz) < 0.5 deg
Stereo Phase Mismatch < 0.6 deg
Stereo Level Balance (1 kHz) < 0.01 dB
Crosstalk (max gain, 1kHz) < -115 dB
Common Mode Rejection Ratio (max gain, 60 Hz) > 62 dB
LINE IN TO LINE OUT
Gain Range 56 dB
Min Gain -7 dB
Max Gain 49 dB
Max Input Level (bal) 26 dBu
Max Input Level (unbal) 20 dBu
Max Output Level (bal) 20 dBu
Input Impedance (bal) 10 kΩ
Input Impedance (unbal) 5 kΩ
Output Impedance (bal) 600 Ω
Output Impedance (unbal) 300 Ω
Frequency Response (20Hz-20kHz) +0.1 / -0.15 dB
Phase (Line In to Line Out, 20 kHz) < 0.5 deg
Stereo Phase Mismatch < 0.5 deg
Stereo Level Balance (1 kHz) < 0.2 dB
Crosstalk (max gain, 1kHz) < -115 dB
Common Mode Rejection Ratio (max gain, 60 Hz) > 70 dB
Tube @ 100% – LINE IN TO LINE OUT
Tube Complement 12AX7 (2)
THD+N (19 dBu, 1 kHz, 20 kHz BW) -30 dB (3.1%)
THD+N (17 dBu, 1 kHz, 20 kHz BW) -20 dB (1.0%)
SNR (min gain, 1 kHz, A-wgt, 20 kHz BW) 109 dB
SNR (max gain, 1 kHz, A-wgt, 20 kHz BW) 74 dB