{"product_id":"jj-electronics-12at7-ecc81-slovakia-preamp-tube","title":"JJ Electronics 12AT7\/ECC81 Slovakia Preamp Tube","description":"\u003c!-- split --\u003e\n\u003cp\u003eKnown for exceptional tone, clarity, and durability, the JJ 12AT7\/ECC81 is a medium-gain dual triode tube ideal for use in preamp sections, reverb drivers, and hi-fi systems. Manufactured in Slovakia with strict quality control, this tube delivers warm, articulate sound with low noise—making it a favorite for guitar amps and audio gear.\u003c\/p\u003e\n\u003cp\u003eWhether you're upgrading your amp or restoring vintage gear, JJ tubes are trusted by professionals and tone purists alike.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"744\" data-end=\"919\"\u003e\n\u003cli data-start=\"744\" data-end=\"780\"\u003eRich tone and low microphonics\u003c\/li\u003e\n\u003cli data-start=\"781\" data-end=\"815\"\u003eWarm and articulate response\u003c\/li\u003e\n\u003cli data-start=\"816\" data-end=\"870\"\u003eIdeal for preamp, reverb, and hi-fi applications\u003c\/li\u003e\n\u003cli data-start=\"871\" data-end=\"919\"\u003eManufactured by JJ Electronics in Slovakia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"926\" data-end=\"949\"\u003e\u003cstrong data-start=\"930\" data-end=\"949\"\u003eSpecs\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul data-start=\"950\" data-end=\"1507\"\u003e\n\u003cli data-start=\"950\" data-end=\"980\"\u003e\n\u003cstrong data-start=\"952\" data-end=\"966\"\u003eTube Type:\u003c\/strong\u003e 12AT7 \/ ECC81\u003c\/li\u003e\n\u003cli data-start=\"981\" data-end=\"1013\"\u003e\n\u003cstrong data-start=\"983\" data-end=\"1001\"\u003eConfiguration:\u003c\/strong\u003e Dual triode\u003c\/li\u003e\n\u003cli data-start=\"1014\" data-end=\"1065\"\u003e\n\u003cstrong data-start=\"1016\" data-end=\"1032\"\u003eGain Rating:\u003c\/strong\u003e Medium (typically ~60% of 12AX7)\u003c\/li\u003e\n\u003cli data-start=\"1066\" data-end=\"1101\"\u003e\n\u003cstrong data-start=\"1068\" data-end=\"1087\"\u003eHeater Voltage:\u003c\/strong\u003e 6.3V or 12.6V\u003c\/li\u003e\n\u003cli data-start=\"1102\" data-end=\"1152\"\u003e\n\u003cstrong data-start=\"1104\" data-end=\"1123\"\u003eHeater Current:\u003c\/strong\u003e 300mA @ 6.3V | 150mA @ 12.6V\u003c\/li\u003e\n\u003cli data-start=\"1153\" data-end=\"1182\"\u003e\n\u003cstrong data-start=\"1155\" data-end=\"1177\"\u003ePlate Voltage Max:\u003c\/strong\u003e 300V\u003c\/li\u003e\n\u003cli data-start=\"1183\" data-end=\"1223\"\u003e\n\u003cstrong data-start=\"1185\" data-end=\"1211\"\u003eTransconductance (Gm):\u003c\/strong\u003e ~5500 µmhos\u003c\/li\u003e\n\u003cli data-start=\"1224\" data-end=\"1268\"\u003e\n\u003cstrong data-start=\"1226\" data-end=\"1255\"\u003eTypical Plate Resistance:\u003c\/strong\u003e ~15,000 ohms\u003c\/li\u003e\n\u003cli data-start=\"1269\" data-end=\"1299\"\u003e\n\u003cstrong data-start=\"1271\" data-end=\"1285\"\u003eBase Type:\u003c\/strong\u003e 9-pin (Noval)\u003c\/li\u003e\n\u003cli data-start=\"1300\" data-end=\"1358\"\u003e\n\u003cstrong data-start=\"1302\" data-end=\"1327\"\u003eSocket Compatibility:\u003c\/strong\u003e Standard 12AT7 \/ ECC81 sockets\u003c\/li\u003e\n\u003cli data-start=\"1359\" data-end=\"1445\"\u003e\n\u003cstrong data-start=\"1361\" data-end=\"1378\"\u003eApplications:\u003c\/strong\u003e Guitar amp preamp stages, reverb drivers, studio gear, hi-fi audio\u003c\/li\u003e\n\u003cli data-start=\"1446\" data-end=\"1479\"\u003e\n\u003cstrong data-start=\"1448\" data-end=\"1470\"\u003eCountry of Origin:\u003c\/strong\u003e Slovakia\u003c\/li\u003e\n\u003cli data-start=\"1480\" data-end=\"1507\"\u003e\n\u003cstrong data-start=\"1482\" data-end=\"1495\"\u003eQuantity:\u003c\/strong\u003e Single tube\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JJ Electronics","offers":[{"title":"Default Title","offer_id":41807067021374,"sku":"JJECC81","price":37.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1339\/6367\/files\/476389af-4398-423f-ab9d-8096f61d54d0.jpg?v=1750163991","url":"https:\/\/skymusic.com.au\/products\/jj-electronics-12at7-ecc81-slovakia-preamp-tube","provider":"Sky Music","version":"1.0","type":"link"}