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Old November 26th 07, 01:54 AM posted to rec.radio.swap
[email protected] jrsinglesli@gmail.com is offline
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First recorded activity by RadioBanter: May 2007
Posts: 8
Default BALANCED LINE ANTENNA TUNER - TWIN ROLLER INDUCTORS

This item is for sale on e-bay, auction ends
Sunday 12/2 at 19:00 Z

Item number: 290185692713


A magnificently built, balanced output antenna tuner for use with
ladder line, open wire line.



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.


Dimensions: H,W,D = 8 X 19 x 15 inches, approximate weight = 30 lbs