Description
The Neumann N 149A-US, Power Supply for M 149 and M 147 Tube Microphones. It operates with all mains voltages from 100 V to 240 V, 50 or 60 Hz. Main’s power is connected through a standard IEC 320 socket. The microphone connects via a DIN-8 connector.
The microphone signal is fed to an XLR 3 M connector. The modulation output is balanced. The N 149 A supplies the bias voltages for the microphone capsule, the filament voltage controlled by a sensor circuit, and a further voltage to generate the plate voltage and other necessary operating voltages within the microphone itself.
The unit produces a constant current affecting the soft start of the tube. The KT 8 cable between the microphone and power supply can be up to 100 m long. Modulation cable lengths up to approx. 300 m are allowed.The three available versions of the N 149 A just differ in their enclosed mains power cable.
Product Specifications:
Mains Voltage US: 117 V/60 Hz
Output Voltages: for M 149 Tube
Weight Approx: 1.5 kg
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