This vintage Heathkit AA-1800 stereo power amplifier is a rare find for collectors and enthusiasts of vintage electronics. The amplifier is a great addition to any vintage audio and video collection and is known for its high-quality sound output. The AA-1800 model is a powerful amplifier that can be restored to its former glory with the right expertise and attention to detail. The amplifier has the brand name’Heathkit’ and is a type of power amplifier. Its model number is AA-1800. It falls under the vintage electronics category, which includes vintage amplifiers and tube amps.