{"product_id":"301-a-01-a-cunningham-globe-atwater-kent-radio-tubes-test-nos-specs-matched-tubes-made-in-usa-20s","title":"CX-301-A ( 01-A ) CUNNINGHAM Globe Atwater Kent Radio Tubes Test @ NOS specs Tubes Made in USA '20s","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eCX-301-A ( 01-A ) CUNNINGHAM Globe Atwater Kent Radio Tubes Test @ NOS specs Tubes Made in USA '20s\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e The bases are narrow and there are no loose elements in the tubes or bases.\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eTested on AVO CT 160 Tube tester:\u003c\/strong\u003e\u003cbr\u003e Our instruments are calibrated with reference tubes.\u003cbr\u003e Voltage Test: Va = 150V; Vg = -9V\u003cbr\u003e Average 100% Gm = 800 ; Ia = 3 mA\u003cbr\u003e \u003cstrong\u003eTEST RESULT: VERY STRONG\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan style=\"color: rgb(43, 0, 255);\"\u003eValve 1: Gm = 1000 ; Ia = 5.0 mA\u003cmeta charset=\"utf-8\"\u003e - SOLD\u003c\/span\u003e\u003cbr\u003e \u003cspan style=\"color: rgb(43, 0, 255);\"\u003eValve 2: Gm = 1000 ; Ia = 6.0 mA - SOLD\u003c\/span\u003e\u003cbr\u003e Valve 3: Gm = 1000 ; Ia =\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e6.0\u003c\/span\u003e mA\u003cbr\u003e \u003cspan style=\"color: rgb(43, 0, 255);\"\u003eValve 4: Gm = 1100 ; Ia =\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e6.0\u003c\/span\u003e mA\u003cmeta charset=\"utf-8\"\u003e - SOLD\u003c\/span\u003e\u003cbr\u003e \u003cspan style=\"color: rgb(43, 0, 255);\"\u003eValve 5: Gm = 1000 ; Ia = 5.5 mA\u003c\/span\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e- SOLD\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e Further tests performed:\u003cbr\u003e Microphonics Test\u003cbr\u003e Emission Quality\u003cbr\u003e Short Circuit Test\u003c\/p\u003e","brand":"CUNNINGHAM","offers":[{"title":"Default Title","offer_id":43163435401463,"sku":"00828T","price":55.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/3775\/5127\/files\/1_e39ab3da-336c-4d7a-a1b8-34970e607f5b.jpg?v=1733064435","url":"https:\/\/vacuumtubestreasures.com\/en-de\/products\/301-a-01-a-cunningham-globe-atwater-kent-radio-tubes-test-nos-specs-matched-tubes-made-in-usa-20s-en","provider":"Vacuum Tubes Treasures","version":"1.0","type":"link"}