Audio Analogue Absolute - Over Temperature; Technical Information; Measurement Conditions

24
Alarms
In case of a malfunction condition, the controller of the device disconnects the loudspeakers and
turns off the power stages.
To show the alarm condition to the user, the ABsolute uses the volume LEDs which will be lit in
specific configurations.
In case of an alarm condition, we recommend to turn off the unit as soon as possible by
the rear main switch.
When the unit is in protection mode, no operation is allowed.
The conditions that cause the unit to enter protection mode are:
1. DC VOLTAGE on the loudspeaker outputs.
2. POSITIVE or NEGATIVE power supply fault.
3. OVER TEMPERATURE.
These conditions can be both on the left and the right channel.
Below the Volume LED bar configurations used to indicate the different alarms are shown:
Over temperature left
Over temperature right
Output DC voltage left
Output DC voltage right
Positive power supply right
Negative power supply right
Positive power supply left
Negative power supply left
Technical information
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Technical Data
Parameter Measurement conditions Value
Channels - 2
Input impedance - 47 kΩ
Max input signal 6V
rms
Power on 8Ω load: One channel working 50W(class A)150W(class AB) @ 1% THD + N
Power on 4Ω load: One channel working 25W(class A)300W(class AB) @ 1% THD + N
Power on 2Ω load: One channel working 12.5W(class A)600W(class AB) @ 1% THD + N
Sensitivity 8Ω output nominal power
Class A, 50W – 0.5V
RMS
Class AB, 150W – 0.87V
RMS
Frequency Responce Attenuation 0dB, -3dB band 1Hz/200KHz
Output resistance 2Ω nominal power and 1kHz 0.09Ω (class A), 0.14Ω (class AB)
Input Noise
referred to the input, max volume
level, A-weighted
< 9 µV
Dumping factor Nominal power @8Ω/1kHz 89 (class A), 57 (class AB)
Signal/noise ratio
Attenuation: 0dB, A weighted
referred to 8Ω load nominal power
>93dB(class A)
>100dB(class AB)
Distortion
@10W, 1KHz < 0.008%(class A), < 0.03%(class AB)
@50W, 1KHz < 0.02%(class A)
@150W, 1KHz < 0.05%(class AB)
Standby power consumption 230VAC <1W