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AM4120
Integrated Mixer/Amplifier
Specifications
Performance
Amplifier Power:
Frequency Response:
Distortion:
Noise:
Equalization
Output:
Treble shelving: ±12 dB at 10kHz
Bass shelving: ±12 dB at 100Hz
Inputs 2–4:
Audio Inputs
Microphones:
Microphone/Line:
parallel barrier, switched mic/line;
Line Level:
Three, unbalanced, RCA connectors.
Two each, left and right (summed) Aux,
One, Main (signal processing return), 775mV
Audio Outputs
Number of Channels:
Low Impedance:
Constant Voltage:
Line Level:
One, signal processing output, 2.5V, 600Ω
Two, tape (auxiliary) outputs 0–2.2V,
Control Inputs & Outputs
DC Outputs:
Inputs:
Priority switch input, dry contact closure
Controls
Front Panel:
Rear Panel:
Chime output level (if installed),
120W, nominal,
180W peak (10mS)
50Hz–15kHz ±3dB
Less than 1% THD at
1kHz nominal power
Better than 65dB
H-P filter: 12dB/oct. at 300Hz
L-P filter: 12dB/oct. at 7kHz
Three, active balanced XLR,
LoZ, 1.3mV, 24V phantom
powering with on-off switch
One, active balanced XLR and
Mic: LoZ, 1mV, Line: 80mV
either pair selectable via
front-panel switch, 100mV;
One
4Ω
25V, 50V, 70V, 100V
Barrier connectors
RCA connectors
LED relay output, aux DC
output: 18Vdc (300mA)
activated by priority
barrier connectors
Power switch, master Volume,
Inputs 1–4,
Aux level, Aux 1/2 Switch,
Treble shelving, Bass shelving
Tape output level,
Voice priority threshold,
24V phantom on/off switch,
H-P Filter in/out switch,
L-P Filter in/out switch,
Source Voltage Selector switch
Power Supply
450VA DC (24V battery) 10A/Hr
Environment
Maximum Ambient:
Physical
Dimensions (HxWxD):
Weight:
Finish:
Warranty
Accessories
A1708
RM4000
115/230Vac (±5%), 50/60Hz,
131°F (55°C),
Non-precipitating humidity
3.46" x 17" x 12.4"
(88mm x 431mm x 314mm)
25.4lbs. (11.5kg)
Black painted or treated steel,
white nomenclature
3 years, parts & labor
one-time no-fault repair policy
Three Chime Card
Rack Mounting Ears
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