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AMTOOLS AB1/4 Excellent 1:4 Balun kit.
Simplifies cobweb construction. For transforming low impedence balanced loop/single wire cobweb type antenna to 50 Ohm co-ax feeder. Sitable for power levels of up to 250 Watts + This is a bare bones kit which, for outdoor use, should be enclosed in suitable project box. (Not included). Please do not confuse this with 4:1 balun used for 200 Ohm balanced to 50 Ohm unbalanced. Direct alternative to other versions used in single wire cobweb, etc. which use twin coax for windings. Tried and tested at home QTH for several months with excellent results. For more information on single wire cobweb antennas, visit the excellent web site of G3TXQ Kit comprises; Ferrite toroid x 2 (Fair-rite 2631801202) with exceptional broadband performance. Heavy gauge insulated copper wire. Easy to follow illustrated instructions for construction of this 1:4 balun or 2 x 1:1 baluns! Can be constructed in around 15 minutes.
Post and packing, within the UK, is £2.95 Europe,£3.25, other, £3.75 FREE INSURANCE .
See other components and tools at low prices in the amtools e bay shop. Postal discounts given whenever possible, prior to checkout.
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