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Electronics > Portable Audio & Video > CB & Two-Way Radios > Accessories > Antennas > B00L8JML8G
  1. Unadilla W2AU 4:1 Ladder-Line Transition Balun HF 160-6 Meters
    Image(s) provided for illustrative purposes and may differ from the actual product
  2. Unadilla W2AU 4:1 Ladder-Line Transition Balun HF 160-6 Meters

    [B00L8JML8G]
    Delivery: 10-20 Working Days
    Price R1134.00

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Product Description

  • Unadilla W2AU 4:1 Ladder-Line Transition Balun HF 160-6 Meters
  • Ni4L Dipole Antenna
Additional Information

W2AU 4:1 Ladder-Line Transition Balun  Long the standard of the industry the W2AU baluns are built to last! 2 KW PEP (at SWRs of less than 3:1). W2AU Baluns are transformer designs with ferrite cores to provide 95% minimum coupling efficiency. Each has a built-in lightning arrestor, and 600 lbs of pull-apart strength in a weatherized, rugged package using only stainless steel hardware and quality materials. USAGE NOTE: Since many Hams are the inventive types, it should noted that they also tend to not read the instructions and succeed in achieving their goals. In any event, the matchbox is a tuner and all it does is make the transmitter believe it has an antenna with a lower SWR than it really has. This way it will introduce more power to the antenna than it can typically radiate. A random length antenna, one not tuned to any one frequency is a compromise antenna. Anywhere it is not resonant it will produce significant SWR above 3:1. With 200 watts of continuous key down CW it would heat up the core of the W2AU balun, at the feed point,and damage it, but that is the extreme example. Many Hams understand this and do it anyway with care. Also, note that new solid state equipment further limits your operating options never contemplated over 50 years ago when these instructions were made. The equipment manufacturer dictates the parameters of your operating ability. It is suggested that if using ladderline, no balun, because a balun at the feedpoint, would interfere with the radiation that the offset antenna needs from the ladderline. Instead use a W2AU 4:1 Ladder Line Balun at the end of the ladder line transitioning the ladder line to a coax entry into your shack. A 4:1 extends resonances available. Some hams use a 1:1. These are some ideas in using an offset antenna.

Specifications

Country
USA
Binding
Electronics
Brand
Ni4L Antennas & Electronics
Label
Ni4L Antennas & Electronics
Manufacturer
Ni4L Antennas & Electronics
Model
W2AU 4:1 Ladder-Line Transition Balun
MPN
W2AU 4:1 Ladder-Line Transition Balun
PartNumber
W2AU 4:1 Ladder-Line Transition Balun
Publisher
Ni4L Antennas & Electronics
Studio
Ni4L Antennas & Electronics
ReleaseDate
0000-00-00
Please Note

The authorised South African distributor of this product is under no obligation to honour the manufacture's guarantees/warranties or to provide after-sales service.

Please note that this product is based in the USA, and is designed and labelled to be used in the USA. If the unit is powered and plugs into an electrical socket, we cannot import the unit for you due to local regulations, as a permit is required for electrical goods. Please check with us if you are unsure or need any assistance!

Please also note that certain items cannot be imported, these include Alcohol, Agricultural Remedies, Animals, Batteries, Flammable Materials, Farm Feeds, Currency, Food, Furs, Chemicals, Explosives, Medications, Plants, Poisons, Seeds, Supplements, Nutrients, Pressurized Cans, Tactical Equipment, Vitamins, Weaponry and Weaponry Accessories. In these cases, information displayed above is for reference/informational purposes only and the item will not be imported. All content is generated and displayed from an automated USA product feed, and if the item cannot be imported for any reason, including carrier restrictions and/or import or sales restrictions under South African or American law, we do reserve the right to cancel and refund the order in full. If you are not sure if we are permitted to bring in an item, please send us an e-mail with a link to the item to confirm.

Please also ensure that you are ordering the correct item for your particular application as returns to the USA are costly. Product reviews are also provided for most of our items, which can give you a good idea for possible things to look out for and the quality of the item. By clicking Add to Cart, you are confirming that the item is correct and you accept the conditions listed here.