{"product_id":"u20106-used-heathkit-sb-221-2kw-linear-amplifier","title":"U20106 Used Heathkit SB-221 2KW Linear Amplifier with weak Tubes","description":"\u003ch3\u003e\u003cstrong\u003eU20106 Used Heathkit SB-221 2KW Linear Amplifier\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eUp for sale is a classic vintage \u003cb\u003eHeathkit SB-221 2kW Linear Amplifier\u003c\/b\u003e. A legendary piece of amateur radio equipment, this unit offers high-power performance and classic Heathkit styling. Includes an original printed Heathkit Assembly\/Operating Manual.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCondition Notes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFaceplate:\u003c\/b\u003e Shows a noticeable scratch running diagonally across the left side.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCabinet \u0026amp; Casing:\u003c\/b\u003e Overall good cosmetic condition with expected signs of age, wear, and light scuffing typical for vintage gear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eKnobs \u0026amp; Controls:\u003c\/b\u003e Intact with normal finish wear on the metallic centers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRear Panel:\u003c\/b\u003e Clean connections and original compliance label intact.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eHigh voltage is good. It powers on fine but it has low output. We are assuming the tubes are weak. We will warranty the amp but will not warranty the tubes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePower:\u003c\/b\u003e 2kW PEP SSB \/ CW Linear Amplifier capability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFront Panel Controls:\u003c\/b\u003e TUNE, LOAD, BAND selector (80M–15M), SENSITIVITY, and Meter Selector (GRID, REL PWR, HV).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDual Meters:\u003c\/b\u003e Dedicated meters for Plate Amperes and Plate Voltage \/ Relative Power \/ Grid.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRear Connections:\u003c\/b\u003e RF Input, RF Output (SO-23P), ALC, Antenna Relay jack, and grounding stud.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eExtras:\u003c\/b\u003e Includes original Heathkit manual.\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 on amplifier, No Warranty on the tubes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eS\/N: 08-46398\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":46151286947887,"sku":"U20106","price":750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8260\/1775\/files\/IMG_1724.jpg?v=1788965256","url":"https:\/\/mtcradio.com\/products\/u20106-used-heathkit-sb-221-2kw-linear-amplifier","provider":"MTC Radio","version":"1.0","type":"link"}