The 70.7 V Line Transformers are designed for use in distributed sound systems. In installations where loudspeakers are positioned some distance from the amplifier, more efficiency and less loss may be obtained when a high-impedance transmission line o r 70.7 V constant voltage line is used. With the high-impedance distribution system, line matching transformers are necessary to match the impedance of the loudspeaker to the impedance of the line. The constant voltage line provides a simple means of m atching a number of loudspeakers to an amplifier. The 70.7 V Line Transformers are designed to be the most efficient transfer of power from the line to the loudspeaker.
Primary and secondary windings are electrically isolated and provide a balanced li ne to the load. At full rated power output, low insertion loss, low distortion and high efficiency are maintained throughout the frequency range. The Model 15704, 15708, 15716 and 15732 are 70.7 V line matching transformers with four selectable power t aps. Selectable line loss correction taps are provided to compensate line resistance, allowing significant savings in wire gauge.
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