The MFJ-913 is a 300 Watt true current baluns/antenna center insulators that transforms 200 ohms to 50 ohms. Transmission Line Transformer construction using 100 ohm characteristic impedance transmission line gives flat 160-10 Meter response. Large low permeability ferrite cores easily handle full power. SO-239,

MFJ 4:1 current baluns are designed to replace the center insulator of a dipole antenna. They are made up of two large low-permeability ferrite cores. The MFJ-913 is rated at 300 watts and the MFJ-919 is rated at 1500 watts. Their SO-239 coax connectors have TeflonTM internal insulation for maximum insulation and extended life of the product.

LINE ADAPTOR, BAL TO UNBAL, 1.8-30MHz.

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The MFJ-913 is a 300 Watt true current baluns/antenna center insulators that transforms 200 ohms to 50 ohms. Transmission Line Transformer construction using 100 ohm characteristic impedance transmission line gives flat 160-10 Meter response. Large low permeability ferrite cores easily handle full power.

2024年10月26日 · MFJ could have provided a few basic details like the characteristic impedance of the windings, which is essential knowledge to building an antenna around a particular balun, without giving away the farm.

MFJ Baluns, UNUNs and Chokes MFJ-913. Balun, Current, 4:1 ratio, 300 W, 160-10 meters, Ferrite Core, SO-239, Each See More Specifications

The MFJ-913 4:1 Current Balun is a robust, high-performance antenna accessory designed to efficiently transform a 200-ohm impedance to 50 ohms. It supports up to 300 watts of power, ensuring reliability in demanding applications.

2025年1月21日 · You are purchasing (1) New MFJ-913 - 4:1 Current Balun, 300 Watts, 1.8 -30 MHz. Free S/H MFJ 4:1 current baluns are designed to replace the center insulator of a dipole antenna. The MFJ-913 is rated at 300 watts.

The MFJ-913 is a 300 Watt true current baluns/antenna center insulators that transforms 200 ohms to 50 ohms. Transmission Line Transformer construction using 100 ohm characteristic impedance transmission line gives flat 160-10 Meter response.