Heavy duty 5kw, 4:1 balun with antenna specific design for the excellent multiband verticals from ZeroFive-Antennas . Utilizes stacked cores to provide efficient broadband performance, high power rating across all HF frequencies and is constructed using Dr. Jerry Sevick's (W2FMI) enhanced design.
Why pay for the high priced models from the "big guys" when you can save 30-40% from Balun Designs and still receive the same quality. Any other balun of comparable construction and quality will cost between $125 and $140. Every balun is performance tested and backed by a 30 day money back guarantee and a life time warranty.
Still not convinced, read what other hams have to say on eham. 4:1 Baluns 1:1 Baluns
Additional Photos: 
The Model 41ZF fits the Zero Five mounting plate exactly with the output studs specifically configured for ZeroFive verticals.
Design features:
Utilizes a design enhanced by Jerry Sevick, W2FMI, the authority on baluns. This is his 4:1 balun which he created to handle extreme high power.
By utilizing toroids with low permeability in a stacked configuration, the low frequencies are provided the necessary inductive reactance.
Windings are Thermaleze wire inserted in teflon tubes providing a breakdown voltage of 10,000 volts.
Typical insertion loss is less than 0.2 dB
Power handling of 5kw continuous 10kw intermittent upto 35MHz.
All Hardware is stainless steel. Studs are 1/4"
