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Christie Vive Audio CDA2/CDA3 Amplifiers User Manual
15
020-100355-02 Rev. 1 (03-2014)
Specifications
This section provides Christie Vive Audio CDA2/CDA3 Professional Power Amplifiers specifications.
Audio
Specification
CDA2 Value
CDA3 Values
Input common mode rejection
ratio (CMRR)
>-69 dB @ 1kHz
>-76dB @ 1kHz
Voltage gain
x60 (+35dB)
x75 (+37dB)
Crossover
100Hz switchable 2nd order high pass
and 3rd order low pass per channel
100Hz switchable 2nd order high pass
and 3rd order low pass per channel
Crosstalk
>-70dB @ 1kHz @ 250 watts power @
8 ohms
>-70dB @ 1kHz @ 100 watts power @
8 ohms
Hum and noise
>-100dB, “A” weighted reference to
rated power @ 4 ohms
>-100dB, “A” weighted reference to
rated power @ 4 ohms
Slew rate
> 12
V/μ
s
> 12V/
μs
Damping factor (8 ohms)
> 170:1 @ 20Hz – 1kHz @ 8 ohms
> 255:1 @ 20Hz – 1kHz @ 8 ohms
Input sensitivity
0.775 volts +/- 3% for 1kHz 4 ohm
rated power, 35 volts +/- 3% for 1kHz
2 ohm rated power
0.740 volts +/- 3% for 1kHz 4 ohm
rated power, 0.71 volts +/- 3% for
1kHz 2 ohm rated power
Input impedance
15k ohms, balanced and 7.5k ohms,
unbalanced
15k ohms, balanced and 7.5k ohms,
unbalanced
Protection
•
Thermal
•
DC
•
Subsonic
•
Incorrect loads
•
Under and over voltage
•
Thermal
•
DC
•
Subsonic
•
Incorrect loads
•
Under and over voltage
Connections
Specification
CDA2 Value
CDA3 Values
Inputs
Dual combination 6.3 mm (1/4 in.) and
XLR
Dual combination 6.3 mm (1/4 in.) and
XLR
Outputs
(3) 4-pin twist-lock connectors for 2
channels plus bridge
(3) 4-pin twist-lock connectors for 2
channels plus bridge
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