Studer DT731 CD Player

The Studer D731 (commonly referred to as the D731 rather than DT731) is a legendary, ultra-premium professional CD player launched in 1993. Built in Switzerland by Studer, it was designed specifically for heavy-duty radio broadcasting and recording studios. Key Specifications Disc Format: Standard Audio CD CD Transport Mechanism: Premium Philips CDM-4 Industrial / CDM-4/39 PRO Digital-to-Analog Converter (DAC): Advanced bitstream setup featuring a Philips TDA1547 converter with noise shaping (Note: Some early production variants utilized the iconic TDA1541A-S1 chip). Frequency Response: 20 Hz to 20 kHz Signal-to-Noise Ratio (SNR): 100 dB Dynamic Range: 95 dB Total Harmonic Distortion (THD): 0.006% Analog Outputs: Balanced XLR studio connections (2V Line Out) Digital Outputs: Professional AES/EBU connection Form Factor: 19-inch rack-mount chassis (2U vertical space) Weight: 7.7 kg to 8 kg Build and Performance Review The Studer D731 was engineered to run continuously for decades under harsh studio conditions. While its sister model (the D730) was a flat desktop console, the D731 was optimized for tight rack spaces in radio stations and outdoor broadcast vans.