The ASTC0000 is an inline amplifier designed for magnetic pickups and long cable runs. It amplifies the magnetic pickup signals by over 100 times and provides an NPN open-collector pulse output. The device features a low input sensitivity of 20mV, enabling operation at speeds as low as 1/50th of the typical threshold speeds specified for magnetic pickups. Encased in a stainless steel shell with epoxy encapsulation, it measures approximately 0.9 inches in diameter and 4.5 inches in length, including neoprene strain-reliefs at each end. To ensure optimal performance, it is recommended to keep the amplifier close to the magnetic pickup and use the longer cable run from the amplifier's output, avoiding routing input and output cables together with power or control voltage lines in conduit or cable bundles.