®
ARCHITECTURAL ACOUSTICS®
S P E C I F I C A T I O N S
TM
®
AUTOMIX
™
8 Channel,
Automatic
Mixer
GENERAL
Output Impedance (transformer bal-
anced):
600 ohms (nominal)
Distortion:
< 0.1 % at nominal
Frequency Response:
20 Hz to 20 kHz, +1/-2 dB at nominal
Maximum Output Level:
+20 dBu (Hi-Z load)
+16 dBm (600 ohm load)
Remote Volume Range:
0 dB to 70 dB of attenuation
Off Channel Attenuation:
0 dB to -70 dB
Mute:
Channel is attenuated 45 dB when mute
to ground connection is made.
MuteBus:
Multiple channels can be attenuated
45 dB when mutebus to ground
connection is made.
Status Output:
Status is low (0 V) when channel is
active. It is high (3.8 V) when channel is
not active.
Power Consumption:
AC 120 volts, 60 Hz - Domestic
AC 230 volts, 50/60 Hz - Export
15 watts
PREAMP
EIN:
-122 dBu (terminated 150 ohms)
Preamp Gain Range:
25 dB to 55 dB
Input Impedance: (MIC and LINE)
2,000 ohms (transformer balanced)
Phantom Power:
+12 Volts at Mic
±
terminals
Input Sensitivity:
-65 dBu
Priority (Channels 1 & 2):
0 dB to 9 dB
Low Cut Filter:
-3 dB at 75 Hz (6 dB per octave)
Common Mode (Rejection Ratio):
-85 dB
SPECIFICATIONS
Nominal Out = +2 dBu (1 volt)
Weight:
10.8 lbs
Dimensions:
3-1/2" H x 17" W x 10-1/8" D
FEATURES
Channel Features:
• Switchable low cut filter (-3 dB at 75 Hz)
• Switchable phantom power (12 V)
• Switchable manual or automatic
operation
• Switchable mutebus (all attached
channels can be muted externally)
• Transformer balanced mic and line
inputs
• Adjustable priority (Channels 1 & 2)
• Signal processor loop (Channels 1 & 2)
• External muting capability
• Direct outputs
• Activity logic output (status)
