RDL STMPA24 2-Channel Microphone 48 V Phantom Adapter

The Radio Design Labs ST-MPA24 contains two identical phantom power circuits and a common power supply input. If only one mic input is to be converted for phantom operation, only one circuit needs to be used. Each circuit has a mic input and a mic output. Phantom voltage appears on each of the mic input terminals; there is no voltage on the mic output terminals. Therefore, the Radio Design Labs ST-MPA24 can convert any existing mic input into a phantom powered input.

Module operation is from a 24 Vdc ground referenced power supply. The Radio Design Labs ST-MPA24 has an internal pass transistor-regulator filter circuit which permits this incoming voltage to be adjusted to the desired phantom voltage, up to 92% of the supply input voltage. A multi-turn trimming potentiometer is provided to reduce the phantom voltage if desired. In the default fully clockwise position, the Radio Design Labs ST-MPA24 provides "P24" 24 Vdc phantom voltage conformant to IEC 61938.

Radio Design Labs ST-MPA24 Features:

• Add Phantom Powered Mics to Standard Inputs
• Two Phantom Adapters in One Module
• P24 per IEC 61938
• Phantom Conversion with Full Frequency Response
• Phantom Voltage Adjustable Up to IEC Standard 24 Vdc
• Highly-Filtered Phantom Power

Radio Design Labs ST-MPA24 Specifications:

• Channels: 2
• Frequency Response: 20 Hz to 100 kHz (± 0.025 dB, 150O source, 1 kO load)
• Phantom Voltage: P24, 24 Vdc
• Standard for Phantom: IEC 61938: 2013
• Ambient Operating Environment: 0° C to 55° C
• Power Requirement: Ground-Referenced, 24 Vdc @ 35 mA(with 20 mA load)
• Package Type: Cardboard Box
• Package Dimensions: 2 x 2 x 4 in.
• Shipping Weight: 0.2 lbs.
• WEEE weight: 0.145 lbs.
• Tariff code: 8518.40.2000