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RDL STM-2X


Microphone Preamp

BSW PART: STM2X

RDL STM-2X
The STM-2X is the ideal choice in many installations where a microphone preamplifier is required, and is the ideal choice where either a toggle-type switch or push-to-talk switch is to be provided for microphone control, particularly if condenser microphones are used.

Power Supply Not Included PS-24AS.

Main Features:
• Quiet Switching of Condenser Microphone
• Remote Microphone Soft-Switching
• Switch a Mic-Level Source to a Mic or Line Level Output
• Remote Toggle Switch or Push-to-Talk Button
• Adjustable Preset Gain on Microphone Source

Specifications:
• Input: 500 Ω balanced; 5 kΩ unbalanced
• Phantom:24Vdc; IEC 1938: 1996-12, Filtered
• Line Level Output:+4 dBu 150Ω balanced
• Mic Level Output:-45 dBu 150Ω balanced
• Headroom: > 20 dB
• Line Level Output Gain:Adjustable 35 to 65 dB
• Mic Level Output Gain:Adjustable -15 to 15 dB
• Frequency Response: 50 Hz to 20 kHz (+/-1 dB)
• THD+N:< 0.05% (50 dB gain)
• Residual Noise ON: < -70 dB (below to +4 dBu; 150 Ω source @ 50 dB gain)
• OFF Attenuation: > 100 dB (1 kHz) > 80 dB (50 Hz to 20 kHz)
• Switch Control Input: Connect to ground to activate signal; 0.5 mA maximum current required
• Switching Time:< 5 ms (soft-switching transition on or off)
• CMRR:> 60 dB (50 Hz or 20 kHz)
• Phantom Power Input:24 Vdc @ 10 mA maximum
• Power Requirement: GROUND-REFERENCED, 24 Vdc @ 25 mA
• Ambient Operating Environment:0° C to 55° C

RDL STM-2X Figure 1

RDL STM-2X Figure 2

List Price: $241.06
$171.82
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