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Specifications
†
Input Impedance
Mic
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8,000 ohms
Line
. . . . . . . . . . . . . . . . . . . . . . . . . . . 50,000 ohms
Aux
. . . . . . . . . . . . . . . . . . . . . . . . . . . 50,000 ohms
Link In
. . . . . . . . . . . . . . . . . . . . . . . . 20,000 ohms
Output Impedance
Balanced
Line
. . . . . . . . . . . . . . . . . . . . . . . . . 300 ohms
Mic
. . . . . . . . . . . . . . . . . . . . . . . . . . 200 ohms
Unbalanced
. . . . . . . . . . . . . . . . . . . 400 ohms
Link Out
. . . . . . . . . . . . . . . . . . . . . . 100 ohms
Preamp Out
. . . . . . . . . . . . . . . . . . . 750 ohms
Maximum Input Level
Mic
. . . . . . . . . . . . . . . . . . . . . . . . . . . . –24 dBV
Line
. . . . . . . . . . . . . . . . . . . . . . . . . . . +27 dBV
Aux
. . . . . . . . . . . . . . . . . . . . . . . . . . . +17 dBV
Maximum Output Level*
. . . . . . . . . . +22 dBm
Nominal Output Level (0 VU)*
Balanced
Line
. . . . . . . . . . . . . . . . . . . . . . . . . +4 dBm (600 ohms), +4.4 dBV (open circuit)
Mic
. . . . . . . . . . . . . . . . . . . . . . . . . . –46 dBm (600 ohms), –44 dBV (open circuit)
Unbalanced
. . . . . . . . . . . . . . . . . . . –10 dBV (open circuit)
Preamp Out
. . . . . . . . . . . . . . . . . . . –10 dBV (open circuit)
Maximum Monitor Output
. . . . . . . . . 700 mW, 20 ohm load
Maximum Gain
. . . . . . . . . . . . . . . . . . . . 73 dB
Frequency Response
. . . . . . . . . . . . . . . 40 Hz to 22 kHz
Equivalent Input Noise
1
. . . . . . . . . . . –128 dBV (150 ohms) at maximum gain
Input Attenuation
. . . . . . . . . . . . . . . . . 10 dB
Mic/Line Input Pads
. . . . . . . . . . . . . . . 50 dB
Maximum NOMA Attenuation
. . . . . ≈20 dB (up to 100 mics on simultaneously)
Microphone Phantom Power
. . . . . . . +48V DC
Control Voltage Out
. . . . . . . . . . . . . . . +4V DC
Power Supply
. . . . . . . . . . . . . . . . . . . . . . 120V/230V AC (switchable), 50/60 Hz, 10W
Operating Temperature
. . . . . . . . . . . 32° to 104° F (0° to 40° C)
Dimensions
. . . . . . . . . . . . . . . . . . . . . . . . 16.93" (430 mm) W x 9.38" (327 mm) D x 1.75"
(44 mm) H (including feet, knobs and connectors)
Weight
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 lbs. 13 oz (3.1 kg)
Accessories Included
. . . . . . . . . . . . . . . AC power cable, AT8325/1.0 Link Cable,
rack mount adapters, security caps
†
In the interest of standards development, A.T.U.S. offers full details on its test
methods to other industry professionals on request.
* Master Level control at maximum (fully clockwise).
1
Input terminated with 150 ohms, A-weighted using Audio Precision System One.
15