RDL STM-2X Microphone-Amplifier

Features:

Geräuschloses Schalten von Kondensator-Mikrofonen
Mikrofonpegel am Eingang und Mikrofonpegel oder Linepegel am Ausgang
Fernsteuerung durch Schalter oder Taster


The STM-2X is the 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.


Input: 500 Ω balanced; 5 kΩ unbalanced
Phantom: 24 Vdc; IEC 61938: 2013, Filtered
Outputs (2):
Line Level: +4 dBu 150Ω balanced
Mic Level: -45 dBu 150Ω balanced
Headroom: > 20 dB
Gain: Line: Adjustable 35 to 65 dB; Mic Level Output: Adjustable -15 to 15 dB
Frequency Response: 50 Hz to 30 kHz (± 1.5 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: >50 dB (50 Hz to 20 kHz)
Phantom Power Input: 24 Vdc @ 10 mA maximum
Ambient Operating Environment: 0° C to 55° C
Power Requirement: GROUND-REFERENCED, 24 Vdc @ 25 mA
Dimensions: Height: 0.7 in. (1.7 cm), Width: 3 in. (7.6 cm), Depth: 1.6 in. (3.9 cm)
Package Type: Cardboard Box
Package Dimensions: 2 x 2 x 4 in.
Shipping Weight: 0.195 lbs.
WEEE weight: 0.145 lbs.