SRM-700S Electrostatic Headphone Amplifier

The Stax SRM-700S Electrostatic Headphone Amplifier is a pinnacle of solid-state engineering, purpose-built by Stax to unlock the ultimate performance of their electrostatic earspeakers. This energizer employs an innovative all-stage FET configuration, featuring custom low-noise dual FETs and, for the first time in Stax history, J-FETs in the second amplification stage. This design, combined with a large current emitter follower circuit and pure DC amplification, ensures extraordinary linearity, incredibly low noise, and effortless power delivery for any Stax headphone. Housed in a meticulously engineered, robust chassis with advanced vibration control, the SRM-700S boasts impressive specifications, including a wide DC – 100 kHz frequency response and a maximum output voltage of 450 Vrms. It offers both RCA and XLR (balanced) inputs and two 5-pin Pro bias (580V DC) outputs. The SRM-700S delivers a supremely transparent, precise, and dynamic sound, excelling in detail retrieval and accurate soundstaging without any coloration. It’s the ideal choice for audiophiles seeking absolute clarity and a truly uncompromised listening experience with their Stax system.