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Power Amplifier: Radio Design Labs FP-PA18

Radio Design Labs' new FP-PA18 and FP-PA18H are high-efficiency 18W power amplifiers with a line input, 8-ohm output, and an integral audio compressor. Both are designed for low power consumption.

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Radio Design Labs’ FP-PA18 and FP-PA18H are high-efficiency 18W power amplifiers with a line input, 8-ohm output, and an integral audio compressor. The FP-PA18 ($212) circuits are designed for low power consumption; in the absence of an audio input, a digital timer will switch the Class D output stage off. In this sleep mode, the amplifier module and its power supply consume less than 1W of main power. Both have a balanced line-level input that may be connected unbalanced. The FP-PA18H ($202) is a high-ambient-operating-temperature version of the FP-PA18 that is designed to work at temperatures up to 158 degrees F. 800-281-2683. www.rdlnet.com.

 


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