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Sony's DTC-ZE700 Digital Audio Tape Recorder was introduced in October 1996

Features include Super Bit Mapping® technology, an Advanced pulse D/A converter, and an Anti-Resonant Mid-Ship drive, which reduces radiated noise. Additional features are the Sony 3 Motor Mechanism, and Optical and coaxial digital inputs.

One of the best features of the DTC-ZE700 is Sony's SBM, a process that raises the standard of DAT recording and playback quality. The basic theory is that when you record on the DTC-ZE700 through its 24-bit analog converters using SBM, the processor filters the 24-bit audio to yield a final product that sounds better than normal 16-bit quality. SBM does that by weaving out the least significant 8-bit information into 16-bit filtered data.

Sony claims the reshaped noise pattern results in deeper bass and more dynamic midrange. According to Sony, by reorienting quantization noise to frequencies above 15,000 Hz - where human hearing is far less sensitive - the SBM process can achieve a result that is comparable to nearly 20-bit quality, yet you can still play the DAT on any DAT recorder/player.

• Super Bit Mapping® technology
• 44.1 kHz analog recording capability
• Remote Commander® wireless remote control
• Advanced Pulse D/A converter
• Quick Loading
• SCORE digital filter
• Long Record/Play modes 1
• Anti-resonant Mid-Ship drive
• 200/400 times high speed search
• Sony 3 Motor Mechanism
• Two repeat modes
• 2-way time display
• 50 second rewind time
• Auto Renumber
• Blank Search
• Inputs and Outputs:
• Optical and Coaxial Digital Inputs
• Inputs Line: 500 mV, 47
• Optical Digital Output
• Outputs Line: 2 Volts rms, 10 k load