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Baluns, Ununs and RF Chokes
DX Engineering Mounting Brackets for COMTEK Baluns and DX Engineering UNUNs
DX Engineering Mounting Brackets for COMTEK Baluns and DX Engineering UNUNs are custom-made adapter plates that accommodate your balun or UNUN when used with MBVE-5 Series antennas. These brackets are supplied with a specific ECLS Series band clamp with studs, to mount these brackets onto MBVE-5A Series antenna bases. Their unique design provides minimum capacitive coupling to the balun wiring and the field surrounding the balun core. These UV-resistant, poly-resin balun mounting brackets will fit other manufacturers' similarly packaged, NEMA box baluns. These kits include the plate, a pair of studded band clamps and stainless steel balun/UNUN mounting hardware. Note: Whenever the DX Engineering "Documentation" tab is available, please look at the associated files for additional product information.
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$18.99
DX Engineering Balun Wiring Kits
DX Engineering Balun Wiring Kits are just the right parts for permanently connecting a DX Engineering Maxi-Core® 20 Balun or a legacy Comtek balun to practically any beam, Yagi, Log Periodic or rotatable dipole with stud terminals on its driven element. This wiring kit is not a bracket. This is 8 AWG tinned solid copper wire, 2 ft., and an assortment of tinned solder ring terminals to electrically connect a #10 or 1/4 inch terminal stud balun to either size two stud balanced feedpoint on antennas of several types. Wire a balun to an antenna feedpoint with the DX Engineering Balun Wiring Kits. DX Engineering Balun Wiring Kits include: - Two feet, 8-Gauge Tinned Solid-Copper Bus Wire - Four each, Ring terminal, solder, for #10 stud - Four each, Ring terminal, solder, for 1/4 in. stud - Two each, Star washers, 1/4 in. - Two each, Nyloc hex nuts. 1/4 in. for 1/4-20 balun studs Instructions for installation: 1. Determine the separated routing of the minimal wire length needed for each balun terminal to antenna terminal connection with drip loops (see 2.), no greater than 12 inches each, from the securely mounted balun to antenna feedpoint. Wires must be separated by 1/2 to 1 inch from antenna metal parts and each other. 2. Include enough wire length for a small drip loop, a downward "U" shape in the wire, to prevent rain water from running straight down into either connection. This drip loop also provides wire strain and vibration relief. 3. Cut the tinned copper wire in half and trim excess to make the two wire lengths, preferably identical. 4. Select the terminals that match the balun and the antenna feedpoint. 5. Solder the tinned ring terminals onto the tinned wire. 6. Install each completed wire assembly with the appropriate size Nyloc nut and star washer along with the hardware supplied with the balun. Attach the other end with hardware supplied with the antenna Use an open end wrench on the balun stud mount nut when tightening Nyloc nuts, and then the wing nuts, to prevent stud rotation and possible internal damage to the balun. NOTE: This 8 AWG tinned copper wire fits into the supplied ring terminals even though both the #10 and the 1/4 in. ring terminal terminals are marked 12-10 (AWG). Soldering these ring terminals onto this wire is required for a permanent connection. Only crimping will produce an insufficient connection. These balun wiring kits may be used on many manufacturers' stud terminal baluns.
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$12.99