Product Description
RDL ST-MX2 Two-Channel Audio Mixer with Mic/Line Inputs and Outputs
Overview
The ST-MX2 is used in any application requiring mixing of two audio sources. A mic may be mixed with a line-level music source. Two mics may be mixed to feed the mic or line level input of a power amplifier. A mic or professional +4 dBu line-level mono sum is possible. It may be used to convert mono line-level signals from consumer to professional, or from professional to consumer format. It may also be used as a microphone preamplifier, or conversely to adapt unbalanced or balanced line-level signals into the microphone input of other equipment.
Power Supply Not Included
Recommended Power Supply:
- PS-24AS (USA)
- PS-24AX (International)
Features
- Two Input Audio Mixer
- Selectable Mic or Line Level Inputs
- Simultaneous Mic and Line Outputs
- Add Additional Inputs to an Existing Mixer
- Audio Output Dual-LED VU Metering
- Balanced or Unbalanced Inputs and Outputs
- Low-Noise and Low-Distortion Performance
Specifications
Input Connections | 2 x Mic / Line Selectable Inputs |
Input Level | For +4 dBu Output: Mic: -45 dBu to -65 dBu; Max Input -28 dBu Line: -18 dBV to +10 dBu; Max Input +22 dBu |
Input Impedance | Mic: 200 Ohms Line: 20 kOhms Bridging |
Input/Output | Configuration: Balanced or Unbalanced |
Outputs | 2 x Mic and Line |
Output Impedance | 150 Ohms (Mic or Line) |
Frequency Response | Mic: 25 Hz to 50 kHz (±1 dB) Line: 10 Hz to 30 kHz (±0.25 dB) |
Total Harmonic Distortion (THD) + N | Mic: < 0.05% (25 to 20 kHz) Line: < 0.005% |
IMD | < 0.004% |
Output Level | Mic: -45 dBu Line: +4 dBu |
Headroom | Mic Input: > 22 dB (Rel. -50 dBu), > 32 dB (Rel. -60 dBu) Line Input: > 18 dB (Rel. +4 dBu), Output: > 20 dB (Rel. +4 dBu) |
Noise | Below +4 dBu: Mic: < -70 dB (150 Ohms Source, 50 dB Gain), < -80 dB (200 Ohms Source, 50 dB Gain) Line: < -90 dB (Reference +4 dBu, Unity Gain) |
CMRR | Mic: > 65 dB (50 Hz to 120 Hz) Line: > 45 dB (50 Hz to 120 Hz) |
Ambient Operating Environment | 32 to 131°F / 0 to 55°C |
Power Requirements | Ground-Referenced, 24 VDC @ 60 mA |
Dimensions | 3.0 x 1.6 x 0.7" / 7.6 x 4.1 x 1.8 cm |