
{"id":33804,"date":"2021-05-10T12:46:08","date_gmt":"2021-05-10T11:46:08","guid":{"rendered":"https:\/\/pihernz.com\/?post_type=product&#038;p=33804"},"modified":"2026-07-06T16:36:48","modified_gmt":"2026-07-06T14:36:48","slug":"diamond-bu50a-balun","status":"publish","type":"product","link":"https:\/\/pihernz.com\/en\/producto\/diamond-bu50a-balun\/","title":{"rendered":"Diamond BU-50A Premium 1:1 HF Antenna Balun \u2013 Heavy-Duty 50-Ohm Wire Dipole Matching Transformer (1.7-40 MHz, 1200W PEP, SO-239 Connector)"},"content":{"rendered":"<p>The <strong>Diamond BU-50A premium HF antenna balun<\/strong> is a commercial-grade, solid-state isolation transformer engineered to optimize signal balance and eliminate transmission distortions in high-power wire antenna installations. Designed to transition unbalanced coaxial feedlines seamlessly into balanced wire dipole systems, this high-integrity hardware unit maintains a strict <strong>1:1 transformation ratio across a nominal 50-Ohm characteristic impedance<\/strong>. By preventing dangerous RF feedback currents from traveling back down the outer shield of the coaxial feedline, the BU-50A ensures stable radiation patterns, reduces local structural interference, and protects delicate console hardware. It functions as an essential infrastructure procurement component for maritime coastal tracking stations, fixed base station networks, high-frequency disaster relief installations, and high-volume B2B radiocommunication distribution channels across European markets.<\/p>\n<p>The internal electrical layout of the Diamond BU-50A is meticulously vacuum-potted and enclosed within a compact <strong>85 x 115 mm ruggedized, weatherproof housing<\/strong> designed to withstand continuous exposure to intense UV radiation and driving rain. Calibrated for broad continuous performance across the high-frequency spectrum, it operates efficiently through an expansive <strong>1.7 MHz to 40 MHz frequency range<\/strong>, handling demanding operational thresholds up to a massive <strong>1200 Watts (PEP) maximum power capacity<\/strong>. The base of the structural frame is outfitted with a high-retention, low-loss <strong>SO-239 (UHF Female) interface connector<\/strong>, while the top layout includes a heavy-duty mechanical eyelet ring for secure mast suspension, delivering immediate system alignment and absolute fleet operational readiness.<\/p>\n<table style=\"width: 100%; border: 1px solid #dddddd; border-collapse: collapse; font-family: sans-serif; margin-top: 20px; margin-bottom: 20px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"padding: 10px; border: 1px solid #dddddd; text-align: left; font-size: 14px;\">Technical Specification Parameter<\/th>\n<th style=\"padding: 10px; border: 1px solid #dddddd; text-align: left; font-size: 14px;\">Value &amp; Fleet Alignment Matrix<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold; font-size: 13px;\">Product Brand Designation<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-size: 13px;\">Diamond Antenna (Original Manufacturing)<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold; font-size: 13px;\">Hardware Model Designation<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-size: 13px;\">BU-50A (BU50A Series Profile)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold; font-size: 13px;\">Primary Component Classification<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-size: 13px;\">HF Base Station Wire Antenna Matching Transformer (Balun)<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold; font-size: 13px;\">Impedance Transformation Ratio<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-size: 13px;\">1:1 Ratio (Balanced to Unbalanced Optimization Matrix)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold; font-size: 13px;\">Operational Frequency Spectrum Range<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-size: 13px;\">1.7 MHz to 40 MHz Continuous Wideband HF\/Low-VHF Coverage<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold; font-size: 13px;\">Maximum Input RF Power Rating<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-size: 13px;\">1200 Watts PEP (Peak Envelope Power Threshold Ceiling)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold; font-size: 13px;\">System Characteristic Impedance<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-size: 13px;\">50 Ohms Nominal Optimization<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold; font-size: 13px;\">Primary Coaxial RF Interface Port<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-size: 13px;\">SO-239 Female Socket Terminal Barrel (Accepts standard PL-259 Plugs)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold; font-size: 13px;\">Physical Dimensions &amp; Profile<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-size: 13px;\">85 x 115 mm Heavy-Duty Sealed Weatherproof Capsule<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold; font-size: 13px;\">Primary Infrastructure Purpose<\/td>\n<td style=\"padding: 10px; border: 1px solid #dddddd; font-size: 13px;\">Constructing high-power wire dipoles, loops, or inverted-V base station configurations with proper RF ground matching<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Balun<\/p>\n","protected":false},"featured_media":33801,"template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","inline_featured_image":false,"_joinchat":[]},"product_brand":[12171],"product_cat":[12394,12331,12324],"product_tag":[],"class_list":{"0":"post-33804","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-diamond-antenna-en","7":"product_cat-balun-en","8":"product_cat-diamond-antenas-en","9":"product_cat-antenas-en-2","11":"first","12":"instock","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Diamond BU50A Balun | 1:1 HF Wire Antenna Mount | B2B<\/title>\n<meta name=\"description\" content=\"Source the professional Diamond BU50A 1:1 antenna balun. Heavy-duty 50-Ohm matching transformer features 1.7-40 MHz broadband coverage, 1200W PEP, and an SO-239 socket. B2B stock.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pihernz.com\/en\/producto\/diamond-bu50a-balun\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Diamond BU50A Balun | 1:1 HF Wire Antenna Mount | B2B\" \/>\n<meta property=\"og:description\" content=\"Source the professional Diamond BU50A 1:1 antenna balun. Heavy-duty 50-Ohm matching transformer features 1.7-40 MHz broadband coverage, 1200W PEP, and an SO-239 socket. 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