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11 product(s) found for "Baluns"
1:1 Current Balun 1.2kW 1.2kw watts 72MHz K Material so239..
sorry no overseas shipping . New for 2017 K material This is an improved design by Jerry Sevick W2FMI. This material is the only one that will withstand permanent damage due to high swr and high power these cores are expensive expect to pay 20 each for these if you can find one jerry sevick sites this...
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1:1 Current Balun 1000-Watts 1 to 220 MHz
High powered current balun (common mode choke) 1 to 220 MHz. So239 to so239 version. Contact us for so239 to side binding posts. Rated 1000w (1kw) pep handling power. Rg142 military spec Teflon coaxial cable (rated 2.4 kW). Large Amidon ft-240-43 core material. Transmission range from 1 to 220 MHz will...
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1:1 current Balun 1kW 1 to 75 Type 43 so239-so239
international shipping please contact for costs EU 6.50 USA 10.50 As good as it can get designed to have a maximum dip of 40 db. TVi a problem, or do you want maximum output from your antenna not your coax? Common mode current on you coax? Kill it dead with this well designed 1:1 current choke Balun....
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1:1 Current Balun 750W High Common Mode Attenuation.
Excellent 1:1 current balun (this is the one we use at Superyagi antennas on out 40m dipole ) with great results... international shipping contact please EU 6.50 USA 10.50 1MHz to 90MHz bandwidth. Offering the maximum common mode choking possible with over 30dB even at 1.8 MHz. Using Premium Teflon silver...
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1:1 or 9:1 or 4:1 balun low power 200W
Designed by the world renowned Jerry Sevrick W2FMI. 99% Efficiency. 1:1 Ratio 50 to 50 Ohms. 200-watt pep handling power or 1.8 MHz to 30MHz. Waterproof poly housing with seal. Marine grade stainless steel wing nuts. We even replaced the box screws to stainless steel. Our entry level balun cost effective...
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4:1 High Power Balun 1000watts 1 to 90MHz
Extreme wideband by design. Full HF and much more even up to 145 MHz So239 socket to binding as standard. Internal so239 socketfor maximum power transfer with minimum corrosion for long lasting life. PTFE Teflon heat resistant wire wingdings (100% silver plated) for twin 100 ohm impedance in parallel(top...
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9.1 ulun and 1.1balun
Excellent 9:1 current balun (this is the one we use at Superyagi antennas on out 40m dipole ) with great results... (note photo is 4:1 ) with built in high attenuation 1: 1 current balun 35 db rejection of RF current on the outside of your coax. why have them in one unit ? no need for extra connections...
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9:1 4:1 1:1 Baluns powder iron
Designed by the World Number 1, Jerry Sevick W2FMI. This balun follows W2FMI instructions and uses his recommended materials (unbalanced to unbalanced) matching HF matching transformer. 9:1 balun (unun) - 50 ohms to 450 ohms. Perfect for long wire antennas. Covers all the HF bands without need for any...
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9:1 Balun unun - Top band 1.8MHz duel cores
Specially wound for the top band. Most uluns dont have enough windings on the core to be efficient!! This ulun has optimum windings covers 1.8 to 3.8 mhz. Duel powdered iron cores allowing 600 watts of power. Brass terminals allowing optimum power to the so239 socket. Marine grade stainless steel bolts...
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9:1 High power balun 1000 watts 1 to 30MHz
Extreme wideband by design full HF (1.8 to 30 MHz) So239 socket to single binding post for a long wire. Internal mounted so239 socket for maximum power transfer. PTFE Teflon heat resistant wire wingdings 100 % silver plated. (Very expensive aircraft quality) Wound on a premium quality core wrapped in...
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9:1 or 4:1 or 1:1 Balun unun MK2 wideband 1-50 MHz
9:1 balun (unun). Wide band 1 to 30 MHz. Perfect for long wire antennas. Covers all the hf bands some without need for any ATU ! Use as a backpack sota antenna on fishing pole, or home install to a random length of wire. If you can get the wire vertical then your in for real DX. 4:1 version ideal for...
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