Universal Audio 4-710d User Manual

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

Universal Audio 4-710d Specifications

General

Type	Pre-amp
Proper use	Concert/Studio
Product color	Silver