SRM-D50 Driver Unit for Earspeakers

Features Desktop amplifier/DAC for STAX electrostatic headphone with a compact size. ESS ES9018 DAC coupled with TI OPA1642 ultra low distortion op amp to achieve bit correct signal representation. XMOS USB interface supports DSD128 playback and PCM stream with up to 384KHz sample rate. Multiple input selections including optical fiber and coaxial. Amplifier circuitry based on discrete components - heritage from classical STAX amplifier product. Voltage meter dancing with input signal provides an enjoyment more than music. Well selected internal components reflect high quality requirement. Full Aluminium housing with multiple surface processing to achieve velvet feel. Standard STAX 5Pin connector for all STAX headphones. Specifications   • Frequency response : DC -40KHz (+0dB, -3dB) • Rated input level : 130mV (100V output) • Maximum input level : 30V (minimum volume RCA analog input) • Gain : 59dB (900 times) • Harmonic distortion: <0.025% /1KHz-10