Circuits that fall under the requirements of Art. 725 are remote-control, signaling, and power-limited circuits that aren’t an integral part of a device or appliance. Article 725 includes circuits for ...
Remember when a Crown DC 300 was considered a “monster” power amplifier? And then came the Phase Linear 700. Now, today, a kilowatt of audio power is no big thing, and there are amps up to 10 kW. This ...