Power Amplifier
UP4121
AMPLIFIER
UP4121
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2
O F 4 P A G E S
Specifications
Performance
Amplifier Power:
120W, nominal, 180W peak (10mS)
Frequency Response:
50Hz–15kHz ±3dB
Distortion:
Less than 1% THD at 1kHz
nominal power
Noise:
Better than 80dB
Equalization
Output:
Treble shelving: ±12 dB at 10kHz,
Bass shelving: ±12 dB at 100Hz
Inputs:
H-P filter: 12dB/oct. at 300Hz,
L-P filter: 12 dB/oct. at 7kHz
Audio Inputs
Line Level, Balanced:
775mV, 100k
Ω
, barrier connector
Line Level, Unbalanced:
775mV, 50k
Ω
or 80mV,
50k
Ω
, RCA connector
Audio Outputs
Number of Channels:
One
Impedance:
4
Ω
Constant Voltage:
One each, 25V, 50V, 70V,
100V, barrier connectors
Line Level:
Parallel to Unbalanced In, RCA connector
Control Inputs & Outputs
Outputs: Overload Indicator:
18Vdc (300mA)
Inputs: Priority Switch Input:
Dry contact closure
Stand-by Switch Input:
Dry contact closure,
barrier connectors
Controls
Front Panel:
Power switch, master Volume,
Treble shelving, Bass shelving
Rear Panel:
Unbalanced input sensitivity switch,
H-P Filter in/out switch,
L-P Filter in/out switch,
Mains Voltage Selector switch
Power Supply
115/230VAC (±5%), 50/60Hz, 450VA,
DC (24V battery) 10A/Hr
Environment
Maximum Ambient:
131°F (55°C),
Non-precipitating humidity
Physical
Dimensions (HxWxD):
3.46" x 17" x 12.4"
(88mm x 433mm x 315mm)
Weight:
30.5 lbs. (11.4kg)
Finish:
Black painted or treated
steel, white nomenclature
Warranty
3 years, parts & labor
one-time, no-fault repair policy