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Summary of Contents for DX Engineering Maxi-Core DXE-BAL450H10-BP
- Page 1 Maxi-Core ® Special Line Transformers DXE-BAL450H10-BP DXE-BAL450H10-BP-INS Rev 0b © DX Engineering 2012 P.O. Box 1491 ∙ Akron, OH 44309-1491 USA Phone: (800) 777-0703 ∙ Tech Support and International: (330) 572-3200 Fax: (330) 572-3279 ∙ E-mail: DXEngineering@DXEngineering.com...
- Page 2 Introduction ® The DX Engineering Maxi-Core Special Line Transformers are designed to be used in the construction of an ultra-low loss, low cost, long length feedline system for 50 Ω HF antennas. The model DXE-BAL450H10-BP consists of a pair of DXE-BAL450-H10-B high power 450 Ω...
- Page 3 The DXE-LL450-5C (500 foot spool) or DXE-LL450-1K (1,000 foot spool) 450 Ω ladder line, available from DX Engineering, also known as “window” type of parallel- wire transmission line, is readily available at a fraction of the cost of standard coaxial and larger flexible or hardline cables.
- Page 4 The installation of long runs of low-loss coaxial transmission lines requires that a "Do-It-Your Selfer" rent a trencher. Otherwise, the digging of the very long trench must be contracted with an excavation company, which can cost many hundreds and even thousands of additional dollars. Digging a trench for transmission lines is not feasible in steep or rocky land areas, and rigging such heavy cable at appropriate heights above the reach of animals would also be cost prohibitive.
- Page 5 This long length feedline system may be used with low SWR or matched 50 Ω antennas. Un- matched systems such as random length horizontal or vertical antennas should not be used, since any line transformer system would transform the wide variety of impedances across a wide frequency range to values beyond the reach of antenna tuners.
- Page 6 Amateur market, the DXE-3M2155 splicing tape can be easily removed at any time and will not permanently adhere to the fitting. The DX Engineering DXE-BAL450-H10-B Special Line Transformers require no maintenance when properly installed.
- Page 7 DXE-VFCC-BRKT - Balun or Feedline Current Choke Mounting Kit for HF Verticals - This mounting kit allows you to mount a DX Engineering Balun or Feed Line Current Choke at the base of any vertical antenna. The polymer mounting plate is isolated from the rest of the vertical ground system for best performance and decoupling.
- Page 8 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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