Radio Design Labs STM 1 Microphone to Line Preamplifier

Radio Design Labs STM-1
Microphone to Line Preamplifier

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Radio Design Labs STM-1

The STM-1 is part of the group of STICK-ON products from Radio Design Labs. The STM-1 is a quality microphone preamplifier designed for use in commercial sound, broadcast, and recording applications. Its compact size makes it ideally suited for locations were a larger or heavier preamp cannot be used. Its performance makes it the best choice, even when larger preamps could be used! The single-ended supply input makes the STM-1 the ideal choice for both permanent and mobile equipment installations. Some features of the STM-1 are:

Balanced microphone input accepts impedances from 150to 600 ohm
Input circuitry permits connection of unbalancedmicrophones, or even 4 or 8 ohm speakers in intercom or monitoringapplications
Fixed 50 dB gain and ample headroom allow operationwith any mic
Phantom supply input terminals allow connection ofphantom power when STM-1 is used with condenser microphones
Supply input is single-ended and operates from 12 Vdcto 40 Vdc
Two separate outputs provide for balanced 600 ohm andunbalanced 10 kohm
No lugs required for reliable connections
Convenience of the STICK-ON package yields quick, efficientinstallation

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