Rolls PB23 Mic Power Manual & Schematic 电路图.pdf

PB23 MIC POWER IPB23 MIC POWER I 6/04 The PB23 is for powering a phantom powered microphone with a solid 48 VDC. The unit uses a 100kHz switching power supply to eliminate noise generated by common power supplies. The PB23 has pull-down resistors so it will work with any mixer. INTRODUCTION Thank you for purchasing the PB23 Mic Power I 48 Volt Phantom Power Supply. This unit is designed and manufactured to provide 48 volts of clean dc power for your favorite condenser microphone. Powered microphones provide much greater dynamic range, lower noise, and better sound quality. OPERATION Connect a condenser microphone to a three conductor XLR cable, and to the Input connector on the PB23. Connect the PB23 Output to a mixer or other audio input device via another XLR cable. Apply power to the unit by connecting the enclosed adapter to an AC outlet and to the 12VDC Power jack. The LED on the front of the unit will light. The PB23 provides no audio gain as it is not a microphone preamp. SPECIFICATIONS Phantom Voltage: 48V Jacks: Male and Female XLR jacks, 5mm DC input jack Power Input 12 - 18 VCD (adapter included) Size: 3 x 2.75 x 1.5 Weight: 1 lb (.45 Kg) PB23 MIC POWER I RadioFans.CN 收音机爱 好者资料库