{HEAD ~ This arrangement} obviates {TAIL ~ needless routing} to prevent the reduction in output level and power application efficiency which may otherwise occur due to the mismatch of the impedances and the reduction in voltages supplied for driving or controlling the amplifiers AMP10, AMP20 
obviates
{ HEAD ~ This arrangement } obviates { TAIL ~ needless routing } to prevent the reduction in output level and power application efficiency which may otherwise occur due to the mismatch of the impedances and the reduction in voltages supplied for driving or controlling the amplifiers AMP10 , AMP20
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