STAX SRM-500T Electrostatic Headphone Amplifier

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