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For Sale -Home brew balanced line tuner - Twin Roller Inductors
A magnificently built, balanced output antenna tuner for use with
ladder line, open wire line. Item is for sale on e-bay Item # 290185692713 Auction ends Sunday 12/2 at 19:00 Z Highlights & Features of this tuner: The twin inductor/current balun design provides a truly balanced output. (2) 14 uH roller inductors, coupled to a WW II vintage dial with 25 turns, 1/100 turn markings. High/Low Impedance Switching: Switches the capacitor bank to tuner's input or output. "HI" position is used for impedances above 50 ohms; "LO" is used for impedances below 50 ohms. Variable and fixed capacitance controls - continuous range is from 25 to 1250pf @ 4500 Vpk. Variable capacitor dial is the classic 4-inch National Velvet Vernier. Beautiful, real wood venier over aluminum front panel. In Photo 1, the large coil on the right is a coaxial choke balun that goes between the output of the rig and the input of the tuner. Please indicate if you do not plan to use this coil, I will be happy to install a ferrite choke balun inside the cabinet. Dimensions: H,W,D = 8 X 19 x 15 inches, approximate weight = 30 lbs Good luck with the bidding, Bob WB2ICQ |
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