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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
......................... 200 ohms
Mic
.......................... 300 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