STAX / SRM-353X

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The SRM-353X is a driver unit exclusively for STAX ear speakers. It is equipped with RCA pin inputs as well as XLR balanced inputs.

■ Original low-noise dual FET in the first stage
■ Fully direct-coupled Class A DC amplifier configuration without coupling capacitors
■ Abundant input options. Includes RCA and XLR balanced inputs
■ Custom-made 2-axis 4-gang volume control
■ Traditional non-magnetic aluminum alloy chassis
■ Carefully selected components with minimal degradation over time

■ Frequency response: DC to 90 kHz (*1)
■ Harmonic distortion: Less than 0.01%/1 kHz 100 V rms. (*1)
■ Gain: 60 dB
■ Rated input level: 100 mV/100 V rms. output
■ Maximum output voltage: 400 V rms./1 kHz
■ Input impedance: 50 kΩ
■ Number of inputs: 1 (RCA or XLR used exclusively)
■ Bias voltage: 580 V DC
■Power Consumption: 30W
■Dimensions: 150(W) x 100(H) x 360(D)mm (excluding protrusions)
■Weight: 3.0kg

*1 When using one SR-L series unit