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STAX

STAX SRM-500T Electrostatic Headphone Amplifier

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STAX is proud to introduce the SRM-500T, successor of the SRM-006tS. The SRM-500T utilizes a pair of 6FQ7/6CG7 vacuum tubes on the output driven by a custom-made noise noise dual FET. This updated design offers improved power efficiency allowing for better sound quality over the conventional vacuum tube output driver unit featured in the SRM-006tS. STAX prides itself in pricing this new electrostatic driver at a great value while still offering the best possible performance!

Features

• FET Input + vacuum tube output hybrid DC amplification

• Newly Designed Vacuum Tube Output Stage

• Custom-Made Low Noise Dual FETs

• Pair of 6FQ7/6CG7 pre-installed Vacuum Tubes

• Pair of RCA input terminals

• Pair of XLR 3-pin input terminals

• RCA parallel output terminals

Technical Specs

Frequency Response
DC - 90kHZ (with one SR-L500 MK2)

Vacuum Tube
6FQ7/6CG7

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

Input Impedance
50k Ohms (RCA) 50k Ohms x2 (XLR)

Maximum output voltage
300Vrms (1kHz)

Bias Voltage
DC 580V

Operating temperature / humidity
32 to 95 degrees fahrenheit @ no more than 90% humidity (non condensing)

Power Consumption
38W

Dimensions
(H)4.0" x (W)7.68" x (L)14.8" (maximum protruding portion included)

Weight
7.5 lbs

SRM-500T-Tubes

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.