The RDL ST-SX4 is a 4-input audio switcher designed for professional audio applications.
The RDL ST-SX4 is a 4-input audio switcher designed for professional audio applications. It features input and output levels of -10 dBV, unity gain, and 23dB of headroom. The device has a frequency response of 15Hz to 40kHz with +/- 0.5dB tolerance. Input impedance is 100 k ohms (unbalanced) while output impedance is less than 50 ohms (unbalanced). Crosstalk is below the noise floor, and off attenuation exceeds 85dB at 1kHz, 80dB at 10kHz, and 75dB at 20kHz.
Residual noise is less than -70dB referred to -10dBV. Control input resistance is 10 k ohms with pull-up to +15 VDC. The control input can be connected to none, 2.7 k ohms, 6.8 k ohms, 22 k ohms, or none for four inputs.
- Input and Output Level: -10 dBV
- Gain: Unity
- Headroom: 23dB
- THD + N: < 0.1% (Typical 0.05%)
- Frequency Response: 15Hz to 40kHz (+/- 0.5dB)
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