{"product_id":"u20175-used-ten-tec-model-238b-high-power-antenna-tuner","title":"U20175 Used Ten-Tec Model 238B High Power Antenna Tuner","description":"\u003cp\u003e\u003cstrong\u003eU20175 Used Ten-Tec Model 238B High Power Antenna Tuner\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003eTen-Tec Model 238B High Power Antenna Tuner\u003c\/b\u003e is a staple in the amateur radio community, known for its robust Modified \"L\" topology and exceptional efficiency. Designed to match virtually any antenna system across HF frequencies with minimal loss, this unit handles high power with ease. It is in solid condition with minor cosmetic surface wear on the outer case, while the meter, text, control dials, and rear connections remain clean and well-maintained.\u003c\/p\u003e\n\u003ch3\u003eCondition Notes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCosmetic:\u003c\/b\u003e Minor surface scratches and light wear on the outer metal cabinet consistent with normal ham shack use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFront \u0026amp; Rear Panels:\u003c\/b\u003e Text lettering, control dials, glass meter cover, and all rear connection terminals are in good, crisp condition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFunctionality:\u003c\/b\u003e Clean physical condition throughout; please review photos for full details.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features \u0026amp; Capabilities:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh Power Handling:\u003c\/b\u003e Rated for up to 2 kW PEP, making it an ideal choice for high-power linear amplifier setups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eModified \"L\" Network Topology:\u003c\/b\u003e Offers efficient matching with low loss, lower loaded Q, and high harmonic attenuation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e4-Position Antenna Switch:\u003c\/b\u003e Easily select between up to four coaxial outputs, balanced lines, or single-wire configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBuilt-in SWR \u0026amp; Wattmeter:\u003c\/b\u003e Illuminated meter displaying power levels (200W \/ 2kW scales) and SWR measurement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFlexible Tuning Options:\u003c\/b\u003e Controls for Capacitor, Roller Inductor, Low Z \/ High Z impedance matching, and a true Bypass mode.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVersatile Rear Panel Connectivity:\u003c\/b\u003e SO-239 connectors for RF Input and Antennas 1–4, high-voltage ceramic feedthrough posts for balanced line or single wire, external capacitor terminals, and a 13.5 VDC jack for meter backlighting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTen-Tec Model 238B Antenna Tuner (Serial No. 03C10028)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eComes with our 90-Day Warranty!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eS\/N: 03C10028\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eQR-0000\u003c\/strong\u003e\u003c\/p\u003e","brand":"Used Gear","offers":[{"title":"Default Title","offer_id":50512890396734,"sku":"U20175","price":439.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8260\/1775\/files\/IMG_2767.jpg?v=1790009682","url":"https:\/\/mtcradio.com\/products\/u20175-used-ten-tec-model-238b-high-power-antenna-tuner","provider":"MTC Radio","version":"1.0","type":"link"}