STAX SRM-D50
SRM-D50 is a new generation low-noise desktop amplifier/DAC combo system. It comes with multiple source selections including hi-resolution USB audio interface, optical input and coaxial connection, which makes it suitable for many different applications.

The amplifier system is built with discrete components following a traditional STAX style. The whole system comes in full Aluminum housing with velvet feeling surface.

The bouncing voltage meter on the front deck with music adding extra enjoyment. Overall, SRM-D50 is a combination of modern aesthetic design, frontier technology, and a salutation to traditional STAX craftsmanship.

• 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
• Standard STAX 5Pin connector for all STAX headphones.

Specs

• Frequency response: DC -40KHz (+0dB, -3dB)
• Rated input level: 130mV (100V output)
• Maximum input level: 30V (minimum volume inRCA analog input)
• Gain: 59dB (900 times)
• Harmonic distortion: ?0.025% /1KHz-10KHz/SR-L series
• Input impedance: 20KΩ (RCA input)
• Maximum output voltage: 400Vr.m.s (1130Vp-p)
• Bias voltage: DC 580V
• Rated power consumption: 35W
• Recommended operating temperature: 0-35,90% RH (No condensation)
• Signal input: USB/Optical/Coaxial digital inputs RCA analog input