Not tested The Vintage ARS Electronics Model ES-103A Acoustic Stabilizer Stethoscope from Japan is a rare and sought-after piece in the world of electronic stethoscopes. The ARS brand is known for its quality products, and this particular model showcases the company's commitment to precision and innovation. With its unique design and origins in Japan, this stethoscope is a valuable addition to any collection or for professional use in the healthcare industry.