Each actuator is electrically connected to an amplifier unit (701).

每个执行器与放大器单元(701)电连接。

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Power amplifier unit formats are 2U 19", balanced input 6dB and 100 volts line output."

功率放大器的单位形式是2U 19”， 6分贝平衡输入和100伏水平输出。

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Preferably the common nodes (608, 609) have no additional electrical connection to the amplifier unit.

优选地，公共节点(608,609)没有到放大器单元的额外电连接线。

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In order to fully exploit the sound potential of the HDVD 800 with any audio source, a rotary gain switch at the rear of the unit provides simple adaptation of the amplifier output to the audio input voltage.

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