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Summary of Contents for DX Engineering DXE-MBV-1
- Page 1 Vertical Multi-Band Antenna DXE-MBV-1 DXE-MBV-1-INS-Revision 0 © DX Engineering 2014 1200 Southeast Ave. - Tallmadge, OH 44278 USA Phone: (800) 777-0703 ∙ Tech Support and International: (330) 572-3200 Fax: (330) 572-3279 ∙ E-mail: DXEngineering@DXEngineering.com...
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Page 2: Table Of Contents
Table of Contents Introduction Features Warning Tools Required DXE-MBV-1 Parts List Suggested Parts Not Included Additional Material Needed, Not Supplied Manual Updates Installation Site Selection Mounting Pipe Assembly Tilt Base to Mounting Pipe Vertical Base Section Base Section to Tilt Base... -
Page 3: Introduction
Introduction The DX Engineering MBV-1 is a 35 foot 8 inch high vertical antenna system. The vertical antenna operates using a customer supplied radial system and good quality outboard tuner. There are no traps, coils or linear loading elements. Designed with 6063 corrosion-resistant aluminum tubing and stainless steel hardware, this antenna is very durable and attractive. -
Page 4: Tools Required
Suggested Parts Not Included DXE-UN-43 - Multi-Band UNUN for Vertical Antenna Systems ® The DXE-UN-43 DX Engineering Multi-Band Vertical UNUN built with proven Maxi-Core Technology is a matching device specifically designed for application with non-resonant vertical multi-band antennas. The DXE-UN-43 assures the best efficiency from your vertical multi-band antenna and transmission line/tuner installation. -
Page 5: Additional Material Needed, Not Supplied
Every effort is made to supply the latest manual revision with each product. Occasionally a manual will be updated between the time your DX Engineering product is shipped and when you receive it. Please contact DX Engineering (DXEngineering@DXEngineering.com) for the latest revision manual. -
Page 6: Mounting Pipe
Assembly The DXE-MBV-1 shipping boxes contain the vertical tubing sections, an insulated U-channel, two DXE-SAD-200A 2" U-Bolt assemblies, a backing plate, a Tilt Base with two stainless steel V- Clamps, 15 stainless steel clamps, a black vinyl cap, and stainless steel hardware. -
Page 7: Tilt Base To Mounting Pipe
Note: The following assembly instructions are based on using a 2" OD Mounting Pipe, with the following options: DXE-UN-43 UNUN, DXE-UN-BRKT Mounting bracket for the UNUN, and DXE-TCB-UNFK-WR Feedpoint kit for the UNUN. Tilt Base to Mounting Pipe Install the Tilt Base to the 2" OD mounting pipe using the two DXE-SSVC-2P V-Bolt Saddle Clamps allowing approximately 5-1/2"... - Page 8 Figure - 2 Using the 36" base section tube, install the feedline 1/4-20 x 1" long bolt through the hole in the tube from the inside, so the threads stick out. Put on a 1/4" star washer, 1/4" flat washer, then a 1/4-20 nut. Tighten securely. Add another 1/4"...
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Page 9: Base Section To Tilt Base
Base Section to Tilt Base Place the Lower Base Section into the holes of the mounted Tilt Base and loosely install the Tilt Base mounting hardware shown in Figure 5. Leave the flange nuts and Nyloc nuts slightly loose. Figure - 5 Using a wrench or nut driver, securely tighten the two Nyloc nuts at the bottom of the patented Tilt Base. -
Page 10: Assembling The Vertical Sections
Test the tilt function to ensure proper clearances. Standing in front of the Tilt Base, lift the antenna base section, slide it to the right, and let it down slightly until the lower outside bolt is resting in the pivot point. Then slowly tilt as shown in Figure 6. Make sure when you are tilting the antenna to lift, slide to the right, and then tilt. - Page 11 Deburring is a finishing method used in manufacturing. Our aluminum tubing is machine cut on both ends and machine slit on one end. Although DX Engineering manufactured aluminum tubing is deburred, you should further assure that there are no ragged edges or protrusions.
- Page 12 Each tubing section is inserted 4" into the next larger tube. Assembly is easier if the overlaps in the tubing sections are pre-marked. A dark color felt-tip marker works well. Measure and mark 4" from the end of each tube without the slit using a marker so it will be clearly visible. Locate the 10 Element Clamps.
- Page 13 The top section may be adjusted to vary the length for fine adjustment if necessary. Overall height is 35 feet 8 inches Figure 9 - Finished Antenna Assembly (Drawing not scale) - 12 -...
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Page 14: Mating The Vertical Sections To The Tilt Base
Mating the Vertical Sections to the Tilt Base CAUTION: Attempting final assembly without proper precaution can be dangerous. You should have someone help you steady the vertical antenna sections during mating with the base section. Note: A pair of sawhorses or ladders should be used to support the vertical sections during assembly with the Tilt Base and whenever the vertical is tilted down. -
Page 15: Assembling The Unun Mounting Bracket
to the left toward the tilt-base mounting pipe to allow the two parts of the tilt-base to line up and drop down into the slots. Lightly tighten the top flange nuts on the tilt-base to hold the antenna. As you raise the antenna to the vertical position, it’s important to Note: maintain the parallel alignment between the antenna mounting channel and the Tilt Base backing plate to minimize binding. -
Page 16: Installation Of Unun Assembly To Antenna
Installation of UNUN Assembly to Antenna Lower Section The completed UNUN and UNUN Mounting Bracket assembly are mounted to the antenna lower section. To allow easy installation of the UNUN Bracket to the lower base section, open the upper and lower custom studded element clamps as shown in Figure 11. Figure 11 Position the UNUN Mounting Bracket so the bottom element clamp is located between the feedpoint hardware and the U-Bolt as shown in Figure 12. - Page 17 Once in position, re-insert the clamp ends into the worm drive of the clamps and using a flat blade screwdriver or nut driver, snug them up as shown in Figure 13. Note position of lower clamp is between the feedpoint hardware and the U-Bolt. Figure 13 Position the UNUN so it faces forward.
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Page 18: Feedline Connections
Feedline Connections The DXE-UN-43 UNUN is attached to the feedline antenna connection using the DXE-TCB- UNFK-WR - UNUN Feed Point Connection Kit which contains one pre-drilled copper tinned braid for connection to the vertical antenna system. The braid is 1" wide by 9" in length. Connect the braid from the antenna feedpoint located on the base section of the antenna to the terminal on the Red "+"... - Page 19 Your coaxial cable feedline connects direct to the SO-239 connector on the DXE-UN-43 UNUN. ® Weatherproof this coaxial connection using TRM-06132 - Scotch Super 33+ and DXE-3M2155 - 3M Temflex™ 2155 Rubber Splicing Tape. Figure 15 Completed Base Assembly for Reference - 18 -...
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Page 20: Tuning The Vertical
Tuning the Vertical Antenna System The use of a customer supplied, high quality, outboard tuner is required for any multi-band trapless vertical antenna system. The tuner should be capable of tuning the wide range of impedances presented by the antenna and coaxial cable at all the operating frequencies. Tuners of this type generally have a good quality variable roller inductor and at least one large variable capacitor for fine tuning. -
Page 21: Guying A Vertical Antenna System
Guying a Vertical Antenna System Guying of vertical antennas is always recommended for stability. However, if your area encounters severe wind velocities or icing conditions, simple guying will reduce the possibility of failure. Using the DXE-GUY kits, you can install four guy ropes starting approximately 1/2 the way up the vertical antenna system to ground level. -
Page 22: Optional Accessory Items
Optional Accessory Items DXE-UN-43 - UNUN - 4:1, High Power, for use with Non-Resonant Verticals ® DX Engineering high power transmission line transformers with Maxi-Core Technology allow your antenna to perform to its full potential and reduces the stresses on your equipment more efficiently than similar competitive products. - Page 23 1/2” OD. The complete tool kit, model UT-KIT-DBR, includes both sizes of conical tools, a small hand deburrer and a half round file. DX Engineering Tube Deburring Tools are reversible, so they are ideal to debur both ID and OD of aluminum tubing prior to telescoping the sections together. These tools assure a smooth fit without galling and seizing that can occur with the slightest roughness.
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Page 24: Technical Support And Warranty
Warranty All products manufactured by DX Engineering are warranted to be free from defects in material and workmanship for a period of one (1) year from date of shipment. DX Engineering’s sole obligation under these warranties shall be to issue credit, repair or replace any item or part thereof which is proved to be other than as warranted;...
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