Details High end vacuum tube driver unit The newly designed SRM-700T is a hybrid electrostatic headphone driver. Inspired by the flagship model SRM-T8000, the 700T uses solid-state FET as a driver stage and vacuum tube as the output stage. Hybrid Masterpiece Experience the best of both worlds with the unique hybrid design. The SRM-700T seamlessly blends a custom-made low-noise dual FET input stage with a warm, musical 6SN7 vacuum tube output stage. This synergy delivers exceptional clarity, detail, and a captivatingly spacious soundstage. Inspired by Greatness Drawing from the heritage of the flagship SRM-T8000, the SRM-700T incorporates high-quality non-inductive winding resistors and strictly selected pair-matched special FETs. These meticulous engineering choices ensure uncompromised audio performance and unwavering reliability. Unleashing the Potential Drive even the most demanding Stax earspeakers with ease. The SRM-700T boasts a powerful high-voltage power supply, delivering impeccable control and dynamic range for a truly immersive listening experience. STAX produce exclusively electrostatic headphones, or “earspeakers” since 1938. STAX chose the electrostatic technology for its ability to produce transparent sound, and low weight for comfort/ergonomics, both due to the driver design not employing fixed magnets and moving coils, as opposed to other common headphone driver designs. The minimal weight of the driver ensures a very quick response to the signal, creating a more faithful sound reproduction. Features Type: FET input + vacuum tube output hybrid DC amplification driver unit Vacuum tube: 6SN7 Frequency response: DC – 100kHz (with one SR-009S) Gain: 60dB Harmonic distortion: 0.01% or less (1kHz/100Vrms output) Input impedance: 50kΩ (RCA), 50kΩx 2 (XLR) Maximum output voltage: 340Vrms (1kHz) Bias voltage: PRO 580V Operating temperature / humidity: 0 to 35 degrees C / less than 90% (non condensing) Input terminal: RCA x 1, XLR x 1 Output: RCA parallel output terminal Power consumption: 54W Dimension: 240 W x 103 H x 393 D mm (maximum protruding portion included) Weight: 5.7kg
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