P. O. Box 352
Alto, MI 49302
or by email
|We sincerely believe that our 52+ years in the Quad Antenna Business (specializing
exclusively in quad Antennas) has made it possible for us to offer you the very best in
electrical and mechanical design and performance. CUBEX is currently the only manufacturer
offering a choice of our premium MK SERIES, PRE-TUNED QUADS, the
"do-it-yourself" SKYMASTER KIT series, and our new lower cost EXPO series of
full size antennas.
THE COMPLETE PRE-TUNED QUAD- MARK
THE QUAD KIT- SKYMASTER SERIES
PERFORMANCE AND DURABILITY
A superior, one piece Cast Aluminum Spiders are used for our "Top of the Line" MARK and the kit SKYMASTER series designs. They are heat-treated for maximum strength and durability. Durable ONE PIECE tapered spreaders in the Mark series and Three piece, telescoping fiberglass SKYMASTER arms are standard. Our booms heavy wall 2 or 3 inch aluminum tubing with the larger arrays using a bridge Truss to eliminate any possibility of "boom-droop". The CUBEX wire elements are either 14 ga. solid, tinned, copper wire, and our super strong #14- 19 strand, tinned copper clad steel (Copper weld). The copper weld is recommended for used in extreme weather conditions such as high winds and icing.
Our new line up of EXPO and MAGNUM-CB series antennas utilize the same robust fiberglass used in the SKYMASTER, and featuring aluminum booms (square and/or round), with stainless hardware for critical assemblies. Easy to assemble, AND take down, making them ideal for Field Day or Expedition service. The EXPO series specializes in Mono-band arrays, but Dual and Tri-band arrays are available.
We appreciate your interest in CUBEX products and hope that we may soon have the pleasure of welcoming you into the ever-growing, world wide family of CUBEX QUAD owners.
Roger Greenfield, WB8NDC
QUAD VS. YAGI
Dear fellow Amateur,
Why should you choose a Quad antenna over a Yagi? Well lets see! More gain, lighter weight, smaller turning radius, better front to back ratio, better side rejection, less QRN (static), better reception, lower radiation angle, and will work efficiently at a lower elevation than a Yagi. Wow that's a lot of reasons, lets look at them one at a time.
So you might say, why isn't everybody using a Quad antenna? Well I don't know for sure but I think its because the early Quads were built with bamboo spreader arms, and make shift, wood arm-to-boom supports. Although quick and easy, these materials were rather fragile, and the antenna structure was prone to pre-mature failure. The quads that Cubex builds today use nothing but best fiberglass spreader arms available, cast aluminum hubs for strength and heavy duty aluminum booms on our HF quads. Let me tell you these Quads are tough. When Hurricanes FRANCIS and JEANNE came through Florida there were a lot of towers that came down with the Quads still intact (until they hit the ground!). We have unsolicited reports of Cubex Quads withstanding over 100 M.P.H. winds with no damage. Check out some of our customer comments as to the ruggedness and survivability of their Cubex Quads.
In closing I might add that the Cubex five band Quad is actually 5 separate, full wave loop element arrays, independent of each other on one support structure. I would say that's really a fantastic antenna and I haven't seen any Yagi's that compare.
Some of this information is from the Crown Manual written by Clarence C. Moore W9LZX the inventor of the Cubical Quad Antenna.
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