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ub40mx

 

ULTRABEAM PRESENTS YOU THE NEW UB-40 MX
 

This new antenna model operates in the following configurations :

 

Three-element full-size yagi on the 10-12-15-17-20 and 30 meter bands;
Two-element full-size moxon on the 40 meter band.

The new UB-40 MX is the first dynamic antenna system adopting the "Moxon" system.

 

It is the only possible solution to dimension-reduction without performance-loss.

Despite a dimension reduction of 30% , the UB-40 MX still shows very similar performances as a common two-element full-size yagi for the 40 meter-band.

 

There is no other Yagi design capable of reducing the dimensions of the UB-40 MX any further without inevitable losses in terms of forward gain and F/B ratio.

 

The UB-40 MX has been especially dedicated to those Hams who have always dreamed of a dynamic antenna operating with at least two elements on the 40 meter-band, but with reduced dimensions than those of the bigger full-size "sisters" which, space restrictions, very often do not permit to install.

 

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            YAGI 2 ELEMENTS 6-40 METERS

ultrabeam

 

The small 2 element yagi 6-20, adds the important bands of 30 and 40 meters.
This new model has long been requested, offers the possibility to operate up to 40 meters.

Antenna configuration:
- 2 elements yagi full-size 10-12-15-17-20 meters
- 1 full-size folded dipole element 30 to 40 meters

A new type of electronic circuitry, developed by Ultrabeam allows the dipole to work with a natural impedance of 50 ohms on both bands of 30 and 40 meters, to the benefit of a very low radiation resistance and the maximum of efficiency 'aerial.
On the other frequencies, the antenna has the same performance of the note 2 elements yagi 6-20.
With new hardware applications, taken on the new UB-40 MX, you can use the full power in 30 and 40 meters.
A little big yagi, operating from 6 to 40 meters with only 2 elements.

 

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Animated simulation of a 3 element yagi 6-20, where he depicts the movement of copper tape, inside of the elements

 

 

 

 

yagi 4 elements 6-40

 

 

 

 

Elettronica

controller.ultrabeam

Il cuore delle antenne è il controller per il quale è stata sviluppata un'elettronica all'insegna della robustezza con componenti e piste sovradimensionati.

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Meccanica

VRS.ultrabeam

Le UltraBeam impiegano elementi a lunghezza variabile, nei quali conduttore è costruito con uno speciale nastro in rame berillio

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Materiali

piastra.mast

Per la costruzione meccanica dei boom e degli accessori si è scelto quanto di meglio offre il mercato

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