STAX SRM-727II Electrostatic Amp


    The STAX SRM-727II is an electrostatic amplifier that employs semiconductor output drive stage and non-feedback (NON-NFB) output stage for the first time ever in a STAX driver unit. pure balance DC amplifier configuration is used for the large current emitter follower Class A output stage.The SRM-727II has a wide dynamic range in the higher frequency and high sound purity through a simple two-stage amplification circuit with low-noise FET input stage. 

    • Frequency Response: DC-115 kHz (SR-007 or SR-404, when using one unit)
    • Rated Input Level: 200 mV / 100 V outputs
    • Maximum Input Level: 30 V r.m.s. / at minimum volume
    • Amplification: 54 dB (x 500)
    • Total Harmonic Distortion: 0.01% / 1 KHz, 100 V r.m.s. Output SR-007 or SR-404 Signature, when using 1 unit
    • Input Impedance: 50 KΩ / XLR balance 50KΩ×2
    • Input Terminals: RCA×1 or XLR×1 (balanced)
    • Maximum Output Voltage: 450 V r.m.s. / 1 KHz
    • Standard Bias Voltage: 580 V DC
    • Power Consumption: 46 W
    • Temperature Range for Use: Between 0º and 35ºC, max. 90% (no condensation)
    • External Dimensions: 195 (w) x 103 (h) x 420 (d) mm (including VR knob and pin jack (20 + 10)
    • Weight: 5.2 Kg

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