DX Engineering DXE-HEXX-BAL-KIT Manuale utente

DX Engineering

Hexxagonal Beam - Mark 2

Balun Kit

DXE-HEXX-BAL-KIT

DXE-HEXX-BAL-INS Revision 0

Shown Installed

1200 Southeast Ave. - Tallmadge, OH 44278 USA

Phone: (800) 777-0703 ∙ Tech Support and International: (330) 572-3200

Fax: (330) 572-3279 ∙ E-mail: [email protected]

- 2 -

Introduction

The DX Engineering Hexxagonal Beam - Mark 2 Balun Kit - DXE-HEXX-BAL-KIT –is a combination

of products that includes everything needed to install the best 1:1 Current Choke Balun on your new or

existing DX Engineering Hexxagonal Beam - Mark 2 antenna.

This manual will cover the installation of the new MaxiCore®20 1:1 Current Choke Balun and feedpoint

wire connections at the top of your DX Engineering Hexxagonal Beam Mark 2 antenna on the 1.250 in.

OD Fiberglass Center Post on the opposite side of the Balanced Rigid Flat Feeder using the parts included

in this kit.

The DXE-BMB-4P Balun Mounting Bracket custom-made, patented (US Patent No D597,086) UV

resistant poly-resin adapter plate with stainless Balun

mounting hardware is used to mount the DXE-MC20-

1-1 MaxiCore®20 1:1 Current Choke Balun. The

DXE-MC20-1-1 has High CMI, 50 ohm 1/4-20

feedline connection studs and an SO-239 coaxial

cable connector. This Balun eliminates currents on the

outside of your feedline, forces equal currents on the

balanced feeder resulting in more transmitted signal to

the antenna for higher efficiency, the best antenna

pattern and maximum performance. Stainless Steel

Nyloc Hex Nuts replace the Balun Wing Nuts.

Replacing the original coax pigtail, new Balun

Feedpoint Wires are included, made with tinned solid

copper wire and properly sized ring terminals. They make the electrical connections from the 1/4-20

Balun studs to the 10-24 studs on the Hexxagonal Beam Mark 2 antenna 20 meter Driven Element

feedpoint, at the top of the Rigid Flat Feedline.

Features

DX Engineering Maxi-Core®20 1:1 Current Balun, Single Core

Power handling from 3 kW CW to 5 kW SSB

Typical insertion loss is less than 0.2 dB

Unique high-voltage compensating capacitor for unequaled SWR bandwidth

Outstanding ferrite mix coated toroid core with special design to accommodate close coupling without

excessive stress

Special wire size selection and Teflon-insulated wire sleeves provide exact impedance matching and

superb insulation, unlike common Thermaleze wire

Gasketed SO-239 connectors are silver plated and have PTFE insulation

Sealed in a weatherproof 4 in. x 4 in. x 2-1/2 in. NEMA box with weep holes to help remove any

condensation

Stainless steel hardware

DX Engineering Balun Mounting Plate

Custom DX Engineering design (US Patent No D597,086)

UV resistant Poly-Resin

Two Aluminum Brackets for attachment to the DX Engineering Hexxagonal Beam Mark 2 Fiberglass

Center Post, on the opposite side of the Rigid Balanced Flat Feed

All Stainless Steel Hardware for mounting the custom DX Engineering Balun with Nyloc hex nuts

added to the kit to replace the existing Wing Nuts on the included DX Engineering Balun

- 3 -

DXE-HEXX-BAL-KIT Parts List

JTL-12555 - Jet-Lube™ Anti-Seize compound must be used on the threads of all

Stainless Steel Hardware to prevent galling and aid in proper tightening torque.

Part Number

Description

Qty

DXE-MC20-1-1

MaxiCore® 20, 1:1 Current Choke Balun, 5 kW

DXE-BMB-4P

Balun Mounting Bracket for MaxiCore® 20 Baluns

6-32 Hex Nyloc Nut, Stainless Steel

6-32 x 3/4” Hex Head Bolt, Stainless Steel

#6 Flat Washer, Stainless Steel

10-24 Nyloc Hex Nut, Stainless Steel

DXE-HEXX-BAL-K1

Balun Mounting Bracket, Aluminum

ECL-1750 Element Clamp, Stainless Steel

10-24 x 5/8 Flat Head Socket Cap Screw, Stainless Steel

#10 Flat Washer, Stainless Steel

1/4-20 Washer, Ext Tooth, Stainless Steel

1/4-20 Nyloc Hex Nut, Stainless Steel

4.5 inch Feedpoint Wire with 1/4” and #10 Ring

Terminals Soldered in place

DXE-HEXX-BAL-INS

Instruction Manual

Assembly

This custom made patented Balun Mounting Bracket and Stainless Steel Hardware Kit will allow you to

mount your quality DX Engineering Maxi-Core®20 Balun directly to the DX Engineering Hexxagonal

Beam Mark 2.

The unique design provides minimum capacitive coupling to the wire and field surrounding the Balun

core plus a special UV resistant, strong black plastic compound.

Use the included Stainless Steel Hardware to mount the Balun as shown below. When installing stainless

steel hardware, Jet-Lube SS-30 Anti-Seize (JTL-12555) must be used to prevent thread galling on

stainless steel hardware.

Remove the existing Wing Nuts on the Balun. Install the new 1/4-20

Stainless Steel Nyloc nuts in place, just finger tight, on the Balun. This

hardware will be tightened later in the assembly process. The Wing Nuts

will not be reused.

Attach the DX Engineering Balun to the Balun Mounting Bracket using the hardware as shown below.

Tighten the hardware in place.

- 4 -

Mount the two aluminum mounting brackets with the countersunk holes facing away from the resin

mounting plate using the 5/8 inch counter sink hex head bolts with a customer supplied 1/8” Allen

wrench, flat washers and Nyloc nuts as shown below. Tighten in place.

Enclosed in this kit are two feedpoint connections (Tinned Copper Wire) with 1/4” and a #10 Ring

terminals soldered in place. These are the new feedpoint connections from the Balun to the antenna’s 20

meter Driven Element connections at the top of the Rigid Flat Feeder. The larger 1/4” Ring Terminals fit

the Balun connections. The smaller #10 Ring Terminals fit the Hexxagonal Beam feedline connections.

On your existing Hexxagonal Beam Mark 2, remove the pigtail from the top 20 meter Driven Element

feedline connection bracket as shown below. Replace and finger tighten the hardware.

- 5 -

Attaching the Balun Assembly to your existing Hexxagonal Beam Antenna

Install two Band Clamps on the Hexxagonal beam center post. The clamps are temporarily positioned as

shown and just snug. The clamps go around the fiberglass center post - not the Rigid Flat Feedline (Flat

Feed).

Slide the Balun assembly in place on the opposite side of the Rigid Flat

Feedline assembly under the two band clamps as shown and tighten the Band

Clamps in place holding the Balun assembly firmly in place just below the 20

meter Driven Element connections.

The new feedline connections are attached from the Balun to the Hexxagonal

Beam top 20 meter Driven Element feedpoint connections (where the old

pigtail was removed).

Attach the two new Feedpoint wires (with 1/4 inch terminals attached) to the Balun as shown below.

Leave the hardware loose.

- 6 -

Gently bend each Feedpoint connection wire and route them to the top antenna feedpoint connections as

shown leaving the hardware loose. Take care not to short out against any hardware or the Flat Feedline.

There is enough slack in the wire to make a small drip loop to shed any moisture.

20 meter Driven Element

Carefully tighten the new Nyloc Nuts on the Balun using a 7/16” Nut Driver and a7/16” Open Wrench as

shown.

Important Note: Use an Open Wrench to avoid accidently rotating the Balun connection bolts

which will damage the Balun internally.

Tighten the feedline hardware on the 20 meter Driven Element.

The coaxial cable connection at the bottom of the Balun should be weather proofed using 3M Temflex

Rubber Splicing Tape with an overwrap of 3M Super 33+ Premium Vinyl Electrical Tape for UV

protection. Secure the coax to the back of the fiberglass Center Post on the opposite side from the Rigid

Flat Feedline with 3M Super 33+ Premium Vinyl Electrical Tape, not wire ties (also called zip ties), to

prevent crimping of the coax. Wire ties can squeeze too hard and cause changing of the electrical

characteristics of the coaxial cable and damage to the jacket. Remember to leave an extra length of coax

to form a rotator loop below the Hexx Hub to allow antenna rotation.

- 7 -

Notes:

- 8 -

Manual Updates

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

check the DX Engineering web site (www.DXEngineering.com) for the latest revision manual.

Technical Support

If you have questions about this product, or if you experience difficulties during the installation, contact

DX Engineering at (330) 572-3200. You can also e-mail us at:

[email protected]

For best service, please take a few minutes to review this manual before you call.

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; no allowance shall be made for any labor

charges of Buyer for replacement of parts, adjustment or repairs, or any other work, unless such charges are authorized in

advance by DX Engineering. If DX Engineering’s products are claimed to be defective in material or workmanship, DX

Engineering shall, upon prompt notice thereof, issue shipping instructions for return to DX Engineering (transportation-charges

prepaid by Buyer). Every such claim for breach of these warranties shall be deemed to be waived by Buyer unless made in

writing. The above warranties shall not extend to any products or parts thereof which have been subjected to any misuse or

neglect, damaged by accident, rendered defective by reason of improper installation, damaged from severe weather including

floods, or abnormal environmental conditions such as prolonged exposure to corrosives or power surges, or by the performance

of repairs or alterations outside of our plant, and shall not apply to any goods or parts thereof furnished by Buyer or acquired

from others at Buyer’s specifications. In addition, DX Engineering’s warranties do not extend to other equipment and parts

manufactured by others except to the extent of the original manufacturer’s warranty to DX Engineering. The obligations under

the foregoing warranties are limited to the precise terms thereof. These warranties provide exclusive remedies, expressly in lieu

of all other remedies including claims for special or consequential damages. SELLER NEITHER MAKES NOR ASSUMES

ANY OTHER WARRANTY WHATSOEVER, WHETHER EXPRESS, STATUTORY, OR IMPLIED, INCLUDING

WARRANTIES OF MERCHANTABILITY AND FITNESS, AND NO PERSON IS AUTHORIZED TO ASSUME FOR DX

ENGINEERING ANY OBLIGATION OR LIABILITY NOT STRICTLY IN ACCORDANCE WITH THE FOREGOING.

©DX Engineering 2021

DX Engineering®, DXE®, DX Engineering, Inc.®, Hot Rodz®, Maxi-Core®, DX Engineering THUNDERBOLT®, DX

Engineering Yagi Mechanical®, EZ-BUILD®, TELREX®, Gorilla Grip®Stainless Steel Boom Clamps, Butternut®,

SkyHawk™, SkyLark™, SecureMount™, OMNI-TILT™, RF-PRO-1B®, AFHD-4®are trademarks of PDS Electronics, Inc.

No license to use or reproduce any of these trademarks or other trademarks is given or implied. All other brands and product

names are the trademarks of their respective owners.

Specifications subject to change without notice.

Indice

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