The Hitachi SDT-2660 is a digital audio tape (DAT) recorder that was part of Hitachi's product line in the late 1990s and early 2000s. It is designed for high-quality recording and playback of audio, leveraging the digital audio tape technology to provide superior sound fidelity compared to analog formats. The SDT-2660 features a compact and user-friendly design, making it suitable for both studio and home use. Key specifications include a sampling frequency of up to 48 kHz and a bit depth of 16 bits. It supports various tape lengths, typically ranging from 60 to 120 minutes. The unit is equipped with features such as automatic track increment, a level meter for monitoring recording levels, and a variety of input options including both digital and analog connections. The SDT-2660 is appreciated for its reliability and audio performance, making it a compelling choice for those seeking a durable DAT recorder.