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OB8040x 5el big Duo Monobander 80 / 40m (full sized elements 40m)

OPTIBEAM  OB8040x big Duoband-Yagi 80-40m (full sized elements 40m)

OB8040x interlaced duo monoband Yagi 80-40m
     
Bands   80 (multi switch) / 40
Gain (dBd)*   3,8 / 5,6
Gain (dBi)**   9,9 / 12,2
F/B (dB)   18 / 30
SWR (with the OptiBeam multi switch):    
80m SSB 1: 3,775 - 3,792 - 3,840   1,7 - 1,1 - 2,0
80m SSB 2: 3,735 - 3,755 - 3,800   1,7 - 1,1 - 2,0
80m SSB 3: 3,695 - 3,715 - 3,760   1,7 - 1,1 - 2,0
80m CW: 3,500 - 3,518 - 3,560   1,7 - 1,2 - 2,0
40m: 7,000 - 7,120 - 7,250   1,6 - 1,1 - 2,0
     
Elements (number)   5
Active Elements   2 (high Q coil shortened) / 3 (full sized)
Max. Elementlength (m)   22,8
Boomlength (m)   15
Turning Radius (m)   13,7
Feedlines (number)   2 coax 50 Ohm
Weight (kg)   220
Windload at 130 km/h   4.080 N / 5,15 m² / 54,83 feet²
     
Price (incl. 2 x 5 KW 1:2 balun   EUR 7.799,00
and multi switch system) ***    
* = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd
** = average gain at 20m (80m = 30 m) above ground  
*** = outside EU minus 19% tax - subject to change