The Heathkit AR-15 is a stereo audio amplifier kit that was popular among enthusiasts for its combination of performance and the satisfaction of building it oneself. It is a solid-state amplifier designed to deliver high-quality sound reproduction. The AR-15 has a power output of approximately 15 watts per channel into an 8-ohm load, making it suitable for driving a variety of speakers. It features a frequency response ranging from 20 Hz to 20 kHz, ensuring it can handle the full spectrum of audible sound. The design incorporates both a preamplifier and a power amplifier in one unit, along with a simple yet effective layout that enables easy assembly. Users appreciated the straightforward construction process, aided by detailed instructions provided in the kit. The AR-15 also includes protection circuits to safeguard against overloads and short circuits, enhancing its reliability during operation. Overall, the Heathkit AR-15 serves as an accessible entry point for audio hobbyists looking to explore amplifier design and performance.
