Stax SRM-270S Electrostatic Headphone Amplifier – Compact Electrostatic Quality

Stax SRM-270S Electrostatic Headphone Amplifier – Compact Electrostatic Quality

$960

Discover the Stax SRM-270S Electrostatic Headphone Amplifier at Len Wallis Audio.
Experience entry-level electrostatic audio with precision and clarity.
Key Features
  • Low-Noise FET Design: Latest FET technology for clear, detailed sound.
  • Enhanced Heat Dissipation: Aluminium extrusion case for improved reliability.
  • Compact Chassis: Easy placement with a sleek, minimalist aesthetic.
  • High-Grade Connectivity: Upgraded RCA pin jacks for pristine audio.
  • Flexible Integration: Parallel RCA output for seamless system compatibility.
Local pickup or $11 flat rate shipping within Australia

The Stax SRM-270S Electrostatic Headphone Amplifier sets a new benchmark for entry-level electrostatic audio, delivering precise and clear sound in a compact design. An ideal choice for audiophiles new to electrostatics, it offers exceptional performance in a small footprint. Available at Len Wallis Audio, the Stax SRM-270S Electrostatic Headphone Amplifier is ready for audition in our Lane Cove showroom.


Stax SRM-270S Electrostatic Headphone Amplifier at Len Wallis Audio Why Choose the Stax SRM-270S Electrostatic Headphone Amplifier?

The Stax SRM-270S Electrostatic Headphone Amplifier is a newly developed driver unit, succeeding the SRM-252S with modern upgrades. It’s designed for audiophiles eager to explore electrostatic audio without compromise.

Featuring the latest low-noise FET in the first stage, it ensures a silent background for detailed sound. Audiophile forums praise its “clean and immersive” output, ideal for a variety of music genres.

The output stage uses an improved emitter follower circuit for enhanced clarity. With a frequency response from DC to 35 kHz, it captures every nuance with precision and balance.

A 3 mm thick front aluminium panel aids in heat dissipation, improving reliability by 15%. This ensures consistent performance during long listening sessions without overheating.


Stax SRM-270S Electrostatic Headphone Amplifier at Len Wallis Audio Not sure where to place a bulky amplifier? The SRM-270S’s compact chassis, at just 132 mm wide, fits effortlessly into any setup while maintaining a sleek look.

Upgraded RCA pin jacks provide high-grade connectivity for a pristine audio signal. Parallel RCA outputs allow easy integration into your existing audio system.

Audition the Stax SRM-270S Electrostatic Headphone Amplifier at our Lane Cove showroom. Discover why it’s a top choice for audiophiles seeking compact electrostatic precision.


Technical Specifications

  • Amplifier Type: Solid-state electrostatic headphone driver
  • First Stage: Latest low-noise FET for minimal distortion
  • Output Stage: Refined emitter follower circuit for clarity
  • Frequency Response: DC – 35,000 Hz (+0, -3 dB)
  • Harmonic Distortion: 0.01% or less at 1 kHz/100 V r.m.s.
  • Amplification: 58 dB
  • Maximum Output Voltage: 280 V r.m.s. at 1 kHz
  • Input Impedance: 25 kΩ (RCA input)
  • Bias Voltage: PRO 580 V DC
  • Signal-to-Noise Ratio: >100 dB (A-weighted, at maximum output)
  • Input Terminals: RCA x 1 for versatile connectivity
  • Output Terminals: Parallel RCA output x 1
  • Electrostatic Outputs: One 5-pin PRO bias connector
  • Power Supply: AC adaptor included, 230V, 50 Hz
  • Power Consumption: 10 W
  • Operating Conditions: 0°C to 35°C, <90% humidity (non-condensing)
  • Chassis Material: Aluminium extrusion with 3 mm front panel
  • Volume Control: Precision rotary knob for smooth adjustment
  • Dimensions (W x H x D): 132 x 38 x 153 mm
  • Weight: 540 g

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Elevate your audio with the Stax SRM-270S Electrostatic Headphone Amplifier at Len Wallis Audio. Browse our curated collection of Stax products here or visit our Lane Cove showroom to audition this exceptional unit. Contact us today to secure the Stax SRM-270S Electrostatic Headphone Amplifier and experience electrostatic sound at its finest.

Len Wallis Audio Excellence Promise

Since 1978, Len Wallis Audio has been a trusted name in hi-fi, curating premium audio solutions from our Lane Cove showroom in Sydney. For over four decades, we’ve selected products that deliver outstanding performance and quality.

Our focus on innovation ensures every item meets audiophile standards. Whether upgrading or building a new system, our team helps you find the ideal audio solution for your needs.

With expert guidance and a commitment to satisfaction, we make your audio journey seamless and rewarding.

Ready to enhance your setup with the Stax SRM-270S Electrostatic Headphone Amplifier?

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

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