The Audio Technica AT 13 Ea is a cartridge used in turntables. It is known for its high-quality audio reproduction and precise tracking ability. The cartridge features a moving magnet design and is compatible with standard tonearms. It has a frequency response of 20Hz to 20kHz and a tracking force range of 1.25 grams to 1.75 grams. The AT 13 Ea is known for its balanced sound and excellent clarity, making it a popular choice among audiophiles and vinyl enthusiasts.