The Stax SRM-D50, available pre-owned at Len Wallis Audio’s Lane Cove showroom or online, is a high-performance electrostatic headphone amplifier and Digital-to-Analog Converter in silver, complete with original packaging and in great condition.

Inspired by the portable SRM-D10, the Stax SRM-D50 offers an elegant all-in-one design, delivering the iconic Stax earspeaker sound. As noted by Headamp, its amplifier section outperforms the SRM-353X, providing crisp, detailed audio for audiophiles.

With versatile inputs including USB, optical, coaxial, and RCA, the Stax SRM-D50 supports high-resolution audio up to PCM 32/384 kHz and DSD 5.6. Visit our Sydney showroom to audition this pre-owned Stax SRM-D50 and experience its exceptional clarity with Stax PRO-type headphones.

Why Choose the Stax SRM-D50?

ESS ES9018 DAC ensures bit-correct signal representation for pristine audio. Multiple inputs offer versatile connectivity for various sources.

Electrostatic driver delivers dynamic, high-fidelity sound. Non-magnetic aluminium chassis provides durability and low interference.

Ideal for audiophile headphone setups seeking legendary Stax performance.

Visit our Lane Cove showroom to explore how the pre-owned Stax SRM-D50 enhances your listening experience with expert guidance.

The Stax SRM-D50 is a pre-owned gem for audiophiles, offering electrostatic amplification and high-resolution DAC performance in a compact, silver chassis.

In great condition with original packaging, this unit features a 4mm non-magnetic aluminium cover and an R-core power transformer for minimal leakage flux, ensuring clean power delivery.

The Stax SRM-D50 uses an ESS ES9018 DAC chip paired with a TI OPA1642 ultra-low distortion op-amp, supporting high-resolution audio up to PCM 32/384 kHz and DSD 5.6, as highlighted by HeyNow HiFi. Its VU meter adds a retro aesthetic, displaying input strength, while the 580V DC bias drives Stax PRO-type earspeakers with exceptional clarity.

Compatible with audio players and PCs via USB, optical, coaxial, and RCA inputs, the Stax SRM-D50 is ideal for setups with Stax SR-L series headphones. Handcrafted in Japan, this pre-owned amplifier is rigorously tested by our team to ensure reliability.

Audition the Stax SRM-D50 in our showroom or purchase online to elevate your headphone listening experience. Have questions? Visit our contact page to connect with our team.

Technical Specifications

• Product Type: Pre-owned electrostatic headphone amplifier/DAC (Available for Purchase)
• Condition: Great, silver finish, includes original packaging
• Frequency Response: 20Hz – 40kHz (+/-3dB)
• Rated Input Level: 130mV r.m.s
• Maximum Input Level: 30V (RCA, at minimum volume)
• Maximum Output Voltage: 400V RMS (1130Vp-p)
• Gain: 59 dB
• Harmonic Distortion: 0.025% or less (1kHz-10kHz, with SR-L series)
• Input Impedance: 20kΩ (RCA)
• Bias Voltage: DC 580V
• Digital Inputs: USB (Type B) ×1, TOSLINK Optical ×1, COAX RCA ×1
• Analogue Input: RCA ×1
• DAC Support: PCM 32/384 kHz, DSD 5.6
• Mains Voltage: AC 110V / 60Hz
• Power Consumption: 35W
• Operating Temperature: 0 to 35°C (less than 90% humidity, non-condensing)
• Dimensions: 192(W) × 67(H) × 268(D) mm
• Weight: 4.5 kg
• Accessories: User manual, power cable
• Manufacturing: Handcrafted in Japan by Stax

Learn more about the Stax SRM-D50

Let us show you the difference a quality headphone amplifier can make with the Stax SRM-D50 at Len Wallis Audio. Explore our headphone collection here or contact our team to audition this pre-owned amplifier at our Lane Cove showroom or purchase online.

Len Wallis Audio Excellence Promise

Since 1978, Len Wallis Audio has been Sydney’s premier destination for high-end audio, proudly partnering with the best brands in the market to deliver cutting-edge sound solutions.

Our expert team offers personalised guidance to integrate the Yamaha R-S700 Integrated Amplifier or any of our products into your hi-fi setup. Visit our Lane Cove showroom to hear the difference.

Discover the best in audio excellence at Len Wallis Audio, where we make your listening journey effortless and rewarding.

Ready to transform your audio setup with the Yamaha R-S700 Integrated Amplifier?

Call (02) 9427 6755
Email Sales@lenwallisaudio.com.au
Or visit us at 64 Burns Bay Road, Lane Cove, NSW, 2066