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©2009 All Rights Reserved, Harman International Industries Inc. Specifications are subject to change. Part Number: 18-0675
MICROPHONE INPUTS: Female XLR Pin 2 Hot
INPUT IMPEDANCE: 3kΩbalanced
PHANTOM POWER: +48 Volts
MAXIMUM GAIN: +58 dB
E.I.N. (AT MAX GAIN): −125 dBu @ 58dB gain typical (150Ωsource)
−128 dBu @ 58dB gain typical A-weighted
(150Ωsource)
MAXIMUM INPUT LEVEL: +20 dBu at minimum input gain
FREQUENCY RESPONSE: +0/−1.0 dB, 20Hz - 20kHz
THD+N: <0.01% 20Hz - 20kHz, +4 dBu input level, +4 dBu output
(mic input to main output)
<0.008% 1kHz, +4 dBu input level, +4 dBu output,
(mic input to main output)
LINE INPUTS: 1/4” TRS balanced or unbalanced
INPUT IMPEDANCE: 20kΩbalanced, 13kΩunbalanced
MAXIMUM INPUT LEVEL: +32 dBu
FREQUENCY RESPONSE: +0/−1.0 dB, 20Hz - 20kHz
THD+N: <0.015%, 20Hz - 20kHz, +4 dBu input level,
+4 dBu output (line input to main output)
<0.005%, 1 kHz, +4 dBu input level, +4 dBu output
INSTRUMENT INPUT: 1/4” TS unbalanced
INPUT IMPEDANCE: 1MΩ
MAXIMUM INPUT LEVEL: +13 dBu
FREQUENCY RESPONSE: +0/−1.0 dB, 20Hz - 20kHz
THD+N: <0.05%, 20Hz - 20kHz, +4 dBu input level,
+4 dBu output, (instrument input to main output)
<0.007%, 1 kHz, +4 dBu input level, +4 dBu output
LINE OUTPUTS: 1/4” TRS balanced or unbalanced
LEVEL: >+18 dBu maximum
IMPEDANCE: 32ΩBalanced, 16ΩUnbalanced
HEADPHONE OUTPUT: 1/4” stereo jack 350mW per channel at 50Ω
MIDI INTERFACE: 5 pin DIN connectors for MIDI in and MIDI out
SAMPLE RATE: 44.1, 48, 88.2, or 96 kHz (determined by computer
application)
DYNAMIC RANGE: A/D (24 Bit) 102 dB typical, A-weighted, 20Hz - 20kHz
D/A (24 Bit) 106 dB typical, A-weighted, 20Hz - 20kHz
A/D/A (24 Bit) 101 dB typical, A-weighted, 20Hz - 20kHz
POWER REQUIREMENTS: Power adaptors available for
100 – 240 VAC, 50/60 Hz,12 Watts (U22)
100 – 240 VAC, 50/60 Hz,18 Watts (U42S)
100 – 240 VAC, 50/60 Hz, 24 Watts (U82S)
SPECIfICaTIONS
Combi-Jack Analog Inputs 2 4 8
Simult. Recording Sources 2 6 10
dbx 60V Mic Preamps 2 4 8
Hi-Z Instrument Inputs 1 2 2
High-Power Headphone Outputs 1 2 2
1/4” TRS Analog Outputs 2 2 2
44.1 kHz to 96 kHz/24-bit QQQ
Stereo S/PDIF QQ
MIDI I/O QQQ
Pantheon II VST/AU QQQ
Reverb Plug-In
Cubase LE4 QQQ
ToonTrack EZdrummer Lite QQQ
U22 /U42S /U82S I•ONIX DESKTOP RECORDING STUDIOS