{"product_id":"u20198-used-drake-l7-hf-linear-amplifier","title":"U20198 Used Drake L7 HF Linear Amplifier w\/ Upgraded Harbach Power Supply Mods Discount for Local Pickup","description":"\u003cp\u003e\u003cstrong\u003eU20198 Used Drake L7 HF Linear Amplifier w\/ Upgraded Harbach Power Supply\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Drake L7 is a legendary HF linear amplifier prized for its rugged build quality and heavy-duty performance. Powered by a pair of Eimac 3-500Z high-mu power triodes, this unit provides the muscle needed to push a clean, powerful signal across the HF bands.\u003c\/p\u003e\n\u003cp\u003eThis particular unit is exceptionally clean overall. The matching heavy-duty power supply has already been upgraded with the sought-after \u003cb\u003eHarbach Electronics Filter Board\u003c\/b\u003e, replacing aging original capacitors and diodes to ensure superior reliability, lower ripple, and long-term voltage stability.\u003c\/p\u003e\n\u003cp\u003eExceptional cosmetic shape that is nearly impossible to duplicate. This amplifier is the nicest, cleanest L7 that you will find. Full output, very nice\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eCondition Details\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCosmetic Status:\u003c\/b\u003e Very clean overall appearance across both the main unit faceplate, meters, and knobs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePower Supply Housing:\u003c\/b\u003e Shows minor, light spots of surface discoloration\/patina on the metal casing consistent with age (detailed in listing photos).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOperational Notes:\u003c\/b\u003e Meter faceplates, control dials, switches, and rear chassis connectors are intact and well-preserved.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDual Eimac 3-500Z Triodes:\u003c\/b\u003e Driven by two reliable zero-bias triode tubes for high efficiency and linear power output.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e160 through 15 Meter HF Coverage:\u003c\/b\u003e Full coverage across the 160M, 80M, 40M, 20M, and 15M amateur bands (with 10M mod capabilities typical for Drake gear).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUpgraded Harbach Power Supply:\u003c\/b\u003e Fitted with a modern Harbach replacement filter board for safer operation, improved filtering, and reliable high-voltage supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDual Illumination Meters:\u003c\/b\u003e Dedicated meters for monitoring RF Watts, Plate Amperes, Grid Current (\u003cspan class=\"math-inline\"\u003e$I_g$\u003c\/span\u003e), High Voltage (\u003cspan class=\"math-inline\"\u003e$E_p$\u003c\/span\u003e), Forward Power, and Reflected Power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSelectable Operating Modes:\u003c\/b\u003e Front panel toggles between CW\/Tune and SSB modes for optimized plate voltage tuning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHeavy-Duty Cooling:\u003c\/b\u003e Rear-mounted high-cfm fan system ensures adequate airflow across the power tubes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eWhat’s Included\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDrake L7 HF Linear Amplifier Unit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExternal Matching Drake L7 Heavy-Duty Power Supply (Harbach Upgraded)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAttached Heavy-Duty AC Power Cable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrinted Operator's Manual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli style=\"color: rgb(255, 42, 0);\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e$350 Discount for local pickup in Paris Texas\u003c\/span\u003e\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: Amp-3141 \/ PS-2100\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eQR-0189\u003c\/strong\u003e\u003c\/p\u003e","brand":"Used Gear","offers":[{"title":"Default Title","offer_id":50522336395326,"sku":"U20198","price":2400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8260\/1775\/files\/IMG_3073.jpg?v=1790201868","url":"https:\/\/mtcradio.com\/products\/u20198-used-drake-l7-hf-linear-amplifier","provider":"MTC Radio","version":"1.0","type":"link"}