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STAX

STAX SRM-700T Electrostatic Headphone Amplifier

New high-end vacuum tube driver with high output GT tube “6SN7”

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Hybrid Performance

“6SN7” GT tube has been adopted in the second stage of the vacuum tube system, while custom-made low-noise dual FET is employed in the first stage. The vacuum tube 6SN7 that has become the original form of 6FQ7 realizes simple and powerful performance. The hybrid type driver has adopted the high-quality non-inductive winding resistor from VISHAY Co. as a load resistance. The clear and high slew-rate vacuum tube sound has been improved further to polish up warm and spacious reproduction.

Solid Performance

The newly developed large-sized aluminum insulator combined with new vibration-proof material and high frictional coefficient (grip power) has been employed. The friction power is so high that you almost need not hold the unit when inserting the plug of your earspeaker.

Features

• FET input + vacuum tube output hybrid DC amplification driver unit

• 6SN7 Vacuum tube

• Custom-Made Low Noise Dual FETs

• RCA input terminals

• XLR 3-pin input terminals

• RCA parallel output terminals

• 54W Power Consumption

Technical Specs

Frequency Response :DC – 100kHz (with one SR-009S)

Harmonic Distortion :0.01% or less (1kHz/100Vrms output)

Maximum output voltage :340Vrms (1kHz)

Bias Voltage :PRO 580V

Input impedence :50kΩ (RCA), 50kΩx 2 (XLR)

Gain :60dB

Operating Conditions :32 to 95 degrees fahrenheit @<90% humidity

Dimensions :240 W x 103 H x 393 D mm

Weight :5.7kg

SRM-700T

About STAX

STAX produce exclusively electrostatic headphones, or “earspeakers” as they call them, in Japan, 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.