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Reviews Categories | Antennas: HF: Yagi, Quad, Rotary dipole, LPDA | Cubex Quads Help

Reviews Summary for Cubex Quads
Cubex Quads Reviews: 30 Average rating: 4.8/5 MSRP: $449.95
Description: Photo shows Cubex Model MK II-PT3 model; 2 ele, 3 band Quad
Product is in production.
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LA4UOA Rating: 5/5 Dec 9, 2010 00:20 Send this review to a friend
dont like snow/ice  Time owned: 3 to 6 months
This is my second review,first one was written in summer,now its winther in Norway.
I still give antenna 5,but it dont like snow/ice,swr goes up very much.
Perhaps better not using bare wire,if you get snow/ice.Antenna came with bare wire.
N2QQF Rating: 5/5 Jun 26, 2010 10:20 Send this review to a friend
Follow Up  Time owned: more than 12 months
This is a follow up to let hams on the fence know how the antenna is performing after one of the worst winters here in the Northeast. I live upstate NY outside NY City and we had a horrible winter this year with plenty of ice storms as well. Well, I am please to report I had not one issue with the antenna at all. I had quite a few scary situations with ice buildup and strong winds and I held my breath and to my surprise there wasn't one moment that I was unable to use my antenna.

I was told by quite a few hams that my antenna would come down in ice and strong winds but this was certainly not the case. I hate to jinx myself but I attribute the success to the quality of materials and construction Roger @ Cubex uses with his antennas. I would never hesitate to buy another one if some unfortunate incident were to occur. If you want a big signal and quite antenna buy a Cubical Quad.
K4TIN Rating: 5/5 Jan 1, 2010 15:26 Send this review to a friend
10 Meter Expo-Pleasant Memories  Time owned: more than 12 months
Hastily purchased when I moved out here in 2000 with so much to do and so little time to build antennas. It went together in a few hours and was lashed to half of a rusty old tower left here with a TV rotor.
I have no test equipment to confirm or dispute its performance claims, but I know that many many European and Asian contacts were made--50 watts--and many more at 5.
It was placed behind my barn, then became a victim of my carelessness. So a new boom and a couple spreaders will be ordered this week.
Great little antenna!
VK5SW Rating: 5/5 Mar 22, 2009 22:42 Send this review to a friend
Great Performer  Time owned: 0 to 3 months
My 2 element HF Cubex Quad is up in the air at 10 metres and performs very well. It's about 3 S-points better than my multiband ground plane and is very quiet on receive. It seems that if you can hear it on the Quad you can usually work it. It gets through very well and anyone considering building one wont be disappointed as the materials supplied are of a high order and the performance is excellent.

W8VZ Rating: 5/5 Jun 25, 2008 18:28 Send this review to a friend
Excellent antenna  Time owned: more than 12 months
I installed the 4 element 10-15-20 antenna and have been very impressed with the signal reports and its performance. It has been up one year and survived an ice storm. I got good support from the manufacturer for the few questions I had.\W8VZ
W3RXO Rating: 5/5 Apr 24, 2008 16:16 Send this review to a friend
Love my Scorpion 88!!!  Time owned: more than 12 months
Fantastic antenna. Easy to assemble, fantastic performance, outstanding F/B and side rejection. The only way I could be happier would be to stack them and put them up higher.
VK4WT Rating: 5/5 Apr 24, 2006 22:23 Send this review to a friend
Cubex Quality  Time owned: more than 12 months
I have a 3 element, 4 band Cubex Quad that just went through a Category 5 Cyclone. The Quad survived without a problem but the tower sustained some damage from a large branch from an Iron Bark tree.
Wind gusts were reportedly in excess of 280 kilometres an hour, I had 9 large trees ripped out of the ground and numerous small trees either laid over or ripped out and blown away.
The elements are direct fed except for 10M which uses a 3/4 wave 75Ohm coax. No baluns or gamma matches, all bands are less than 1.5:1 where I need it to be. (12M wires are not installed)
The antenna is over one year old and previously I had a Cubex 2 element, 5 Band Quad and it worked flawlessly.
Well done Norman, you build the best Quads around.
Oh, and before I forget, it will soon have a fourth element added.
Gary (VK4WT)
G7VKX Rating: 5/5 Sep 28, 2005 09:28 Send this review to a friend
Small size - Big performance!  Time owned: 3 to 6 months
I use the Magnum 2CB (two element mono band) quad due to space limitations, however the performance is unbelievable for such a relatively small antenna. It's mounted at about forty feet & fed with Ecoflex 10 (another great product)& it drastically reduces static and other noise compared to a three element Yagi. Performance is claimed to be 7dbd gain, we'll all I can say is that I'm getting out further and pulling-in better (with less unwanted noise)than I ever did with a Yagi. Build quality seems to very robust although it's yet to survive a North East winter! Assembly was simple and SWR was acceptable for a pre-tuned element (I calculated my own eventually)The Cubex customer service are efficient & helpful. Oh, & Norm is a top geezer too - when do I get the extra 10% discount Norm??? Hi Hi, 73's
N7EKX Rating: 5/5 Jun 11, 2005 23:17 Send this review to a friend
Great (with a little help)!  Time owned: more than 12 months
I purchased the Cubex Mk II 3-band (20-15-10) 2-element quad on an 8-foot boom in 1996, the second time I had built this antenna. Based on 10 years of experience with the earlier quad in a very windy environment (western Washington), I knew exactly what I needed to do, to make it permanent. First, to eliminate "boom sag" with the earlier quad, I substituted 1/4" thick aluminum for the supplied 1/8" thick aluminum. Second, I threw out the "pre-tuned" solid wire elements (no quad can really be "pre-tuned," if you really want best results), and substituted #14 stranded copper with tough THHN insulation. Third, I attached the elements to the fiberglass spreaders with a combination of UV-protected tyrap plastic and a short run of insulated wire. Finally, I tuned each band separately on the 40' tower for best F/B at the design frequency. The "reinforced" quad has survided winds close to 100 mph on occasions, with no damage over the past 8 years. The Cubex quads are probably the best on the commercial market, but if you really want to make them survive permanently (and continue to irritate Yagi owners!), you can make them a little better, like I did.
KK6D Rating: 3/5 Feb 23, 2005 12:46 Send this review to a friend
5 band 2 element with 3 inch boom  Time owned: more than 12 months
In 1997, a friend had a 5 band 2 element Cubex Quad on the 3 inch 8 foot boom. He lives in the mountains of Southern California at the 6000 ft level. We have had to rebuild and rework his Cubex on several occasions because the Cubex Quad has failed to make it through the cold winters and southern winds.

We initially had difficulty getting a good swr match with the transformer and the specifications given by Cubex. The single feed match point failed to provide low enough swr to all bands. 12 and 15 meters were especially problematic. After several attempts to match the 5 bands, an Ameritron Antenna Switch was used with stubs that allowed for good matches on all bands. Lots of time was wasted trying other fixes before going with the dedicated stubs.

The wire provided by Cubex at that time was not very durable, and several of the wires broke after a few months. The flexing of the spreader, with the wire threaded through holes in the spreaders, caused the wire to stretch and break. In addition, the boom to mast was not pinned and the boom spun in the winds.

The second rebuild replaced the wire with 14 ga copperweld wire and the boom was pinned to deter spinning in winds. The copperweld wire worked nicely and pinning the boom kept the future spinning problems from occurring during the remainder of the antennas lifetime.

During the second winter one of the boom to spreader spiders failed in a winter storm, and brought one side of the antenna onto the roof and other antennas. Cubex was good about replacing the failed spider. By the different color of the metal at the failure point, the failure appeared to have been caused by a bad casting. After the third rebuild, the antenna was replaced by a Force 12 C3SS, and it has survived without incident. Hope this is helpful!
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