STAX SRM-D50 Driver Unit / Electrostatic Headphone Amp and DAC
The STAX SRM-D50 driver unit is a state-of-the-art desktop amplifier and DAC designed specifically for STAX electrostatic headphones, combining compact size with high-performance capabilities. This premium device features an ESS ES9018 DAC and a TI OPA1642 ultra-low distortion op-amp, ensuring precise signal representation. The XMOS USB interface supports DSD128 playback and PCM streams up to 384KHz, providing versatile high-resolution audio options. With multiple input selections including USB, optical fiber, and coaxial, the SRM-D50 offers exceptional compatibility and flexibility.
Key Features:
- Compact Desktop Amplifier/DAC: Ideal for STAX electrostatic headphones.
- High-Quality DAC and Op-Amp: ESS ES9018 DAC and TI OPA1642 op-amp for accurate signal representation.
- Versatile USB Interface: XMOS USB interface supporting DSD128 and PCM up to 384KHz.
- Multiple Input Options: Includes USB, optical fiber, and coaxial digital inputs, along with RCA analogue input.
- Discrete Component Amplifier Circuitry: Heritage from classic STAX amplifier designs.
- Visual Appeal: Voltage meter responds to input signals, adding visual enjoyment.
- Premium Build: Full aluminium housing with a velvet-feel surface.
- Standard STAX 5Pin Connector: Compatible with all STAX headphones.
Specifications:
- Frequency Response: DC - 40KHz (+0dB, -3dB)
- Rated Input Level: 130mV (100V output)
- Maximum Input Level: 30V (minimum volume RCA analogue 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°C, <90% RH (No condensation)
- Signal Input: USB/Optical/Coaxial digital inputs, RCA analog input
The STAX SRM-D50 represents a perfect blend of modern aesthetic design, cutting-edge technology, and traditional STAX craftsmanship, making it an ideal choice for audiophiles seeking high-quality sound and exceptional versatility in a compact form factor.
The manufacturer does not recommend using other electrostatic headphones with STAX amplifiers. These headphone amplifiers are available in black and silver colors.
