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1:1 current Balun 1kW 1 to 75 Type 43 so239-so239
£39.00 inc. tax
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.

Absolutely top quality now with:
  • Gold plated So239 socket to so239 socket
  • Ptfe heat resistant wire wingdings silver plated twin 100 ohm impedance in parallel (aircraft quality).
  • Teflon high temp tape covering all the core.
  • Giving a match of greater than 60 MHz.
  • Maximum common mode choking available over 35db even on the low bands.
  • Efficiency of 99.999%.

Do not buy any Balun without knowing the choking attenuation in db.

Set up with a spectrum analyzer with tracking generator for maximum performance and minimum losses.

The core does not contact any of the case with plenty of air flow around the windings. Good for Power levels of around 1200 watts with so239 ntype connector.

Ideal for spider beams dipoles and yagi beams quads and almost any other antenna you can think of.

Can be added to any other balun you already have i.e. 4:1 balun and a must to any 9:1 balun.

Baluns have zero 0.02db attenuation.

Stop rf in the shack now.

Stop hiding from the neighbours...

This is the best Balun available on the market.

Don't take my word on it watch this YouTube video by TRXBench on baluns:

(You'll be shocked!)

Regardless of the antenna you're using, an isolation balun can provide numerous advantages:

Preventing unwanted RFI by eliminating feedline common mode currents and radiation.
All power goes to the antenna, improving efficiency.
Power is balanced between driven elements of antenna.
Can help overcome a less than optimal ground.

Warning a 1:1 balun should never be used on its second harmonic I.e a half-wave center-fed dipole fed with any coax (open line is ok) (like an 80 meter dipole being used on 40 meters). The impedance can be 7000 ohms or greater creating very high voltages which can bring about voltage breakdown and/or excessive heating. damage to most baluns will be permanent as it alters the magnetic properties of most cores the K type will survive this however you amplifier may not!

11BALUN1KWSO239 :Product Code
10 :Units in Stock
New :Product Condition
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