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Union-Tech Corp., Ltd >> news >> Is it necessary to take the load amplifier only after boot

Is it necessary to take the load amplifier only after boot

In general, the PA should take the load properly after the power supply can be connected to open the machine, and blend easily damaged, especially in an input signal, connected to the power load without access, more dangerous. For the tube power amplifier, A class amplifier is strictly prohibited under load open-circuit power boot, because in this state, the power output of the device will be subject to the greatest power dissipation, there is likely to exceed its safe operating area and causing damage. And the load open-circuit condition, the work often leads to instability in the amplifier, and even self-excitation may also result in power output of equipment damage.


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