American Audio Professional Power Amplifier User Manual download pdf (Page 22)

©American Audio® - www.americanaudio.eu ELX Series User Manual Page 22

7.7.2 CLIP LIMITER

When the input signal overloads, the Clip LEDs will indicate a signal overload, at this time, the master volume should be lowered to reduce

distortion. If the input gain level is not reduced, the built-in limiter will activate. During signal overload, the limiter will reduce the input audio

signal enough to minimize the amount of clipping. A limiter takes the gain of an overloading signal and reduces it; the reduction in gain reduces

distortion that can cause damage to your speakers and amplifier. During normal operation below clipping and momentary clips on peaks, the

limiter does not affect the audio signal and is inaudible. It will allow brief clipping of peaks and will only activate when continuous, hard clipping

occurs. During excessive clipping the limiter will reduce the audio signal enough to minimize the amount of clipping. When the input signal

decreases enough that clipping ends, the limiter will deactivate and cease its gain reduction. The limiter has a fixed threshold and cannot be

adjusted.

Note: If the input signal is clipping or exceeds linearity working range of input circuit, then the Clip Limiter will not work.

7.7.3 SHORT CIRCUIT PROTECTION

The ELX Series amplifiers all come with built-in Short Circuit Protection. If a short circuit is detected on the output signal, the Clip and Protect

Indicator LEDs will both glow. This protection makes the output transistors work at a safe range and there will be no output from the amp. The

amp will recover after 10 seconds after the terms of the short circuit have been removed.

7.7.4 AC LOCAL POWER PROTECTION

If the AC power voltage is lower than 70% of the required voltage, the power supply will turn off automatically until the power voltage is normal.

Note: The correct AC main voltage is listed above the Power Cord input. Connecting to the wrong voltage is dangerous and may damage the

amplifier. Always be sure the source voltage for your area matches the required voltage for your amplifier.

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American Audio Professional Power Amplifier User Manual Page 22

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