{"product_id":"bolton-30jw21-12-woofer-speaker-drivers-matched-pair","title":"Bolton 30JW21 12\" Woofer Speaker Drivers (Matched Pair)","description":"\u003ch2 data-section-id=\"5mxesm\" data-start=\"451\" data-end=\"511\" class=\"PDq2pG_selectionAnchorContainer\"\u003eVintage 12-Inch Paper Cone Woofer Speakers – 4Ω – 60W Max\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"513\" data-end=\"686\"\u003eOffered here is a \u003cstrong data-start=\"531\" data-end=\"603\"\u003ematched pair of genuine Bolton 30JW21 12-inch woofer speaker drivers\u003c\/strong\u003e, designed for quality low-frequency reproduction in vintage hi-fi speaker systems.\u003c\/p\u003e\n\u003cp data-start=\"688\" data-end=\"889\"\u003eThese classic woofers feature treated paper cones, cloth\/paper surrounds, ferrite magnet assemblies, and stamped steel baskets, providing the warm, natural sound characteristic of vintage loudspeakers.\u003c\/p\u003e\n\u003cp data-start=\"891\" data-end=\"999\"\u003eIdeal for restoring classic speakers, replacing damaged woofers, or building custom DIY loudspeaker systems.\u003c\/p\u003e\n\u003chr data-start=\"1001\" data-end=\"1004\"\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1006\" data-end=\"1023\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1025\" data-end=\"1383\"\u003e\n\u003cli data-section-id=\"1yc7xod\" data-start=\"1025\" data-end=\"1044\"\u003e\n\u003cstrong data-start=\"1027\" data-end=\"1037\"\u003eBrand:\u003c\/strong\u003e Bolton\u003c\/li\u003e\n\u003cli data-section-id=\"dwmif4\" data-start=\"1045\" data-end=\"1064\"\u003e\n\u003cstrong data-start=\"1047\" data-end=\"1057\"\u003eModel:\u003c\/strong\u003e 30JW21\u003c\/li\u003e\n\u003cli data-section-id=\"95y6qa\" data-start=\"1065\" data-end=\"1090\"\u003e\n\u003cstrong data-start=\"1067\" data-end=\"1083\"\u003eDriver Type:\u003c\/strong\u003e Woofer\u003c\/li\u003e\n\u003cli data-section-id=\"1ws4525\" data-start=\"1091\" data-end=\"1123\"\u003e\n\u003cstrong data-start=\"1093\" data-end=\"1106\"\u003eQuantity:\u003c\/strong\u003e Pair (2 Drivers)\u003c\/li\u003e\n\u003cli data-section-id=\"1lk5bk1\" data-start=\"1124\" data-end=\"1167\"\u003e\n\u003cstrong data-start=\"1126\" data-end=\"1147\"\u003eNominal Diameter:\u003c\/strong\u003e 12 Inches (Approx.)\u003c\/li\u003e\n\u003cli data-section-id=\"1tubur\" data-start=\"1168\" data-end=\"1191\"\u003e\n\u003cstrong data-start=\"1170\" data-end=\"1184\"\u003eImpedance:\u003c\/strong\u003e 4 Ohms\u003c\/li\u003e\n\u003cli data-section-id=\"ffh36d\" data-start=\"1192\" data-end=\"1226\"\u003e\n\u003cstrong data-start=\"1194\" data-end=\"1213\"\u003ePower Handling:\u003c\/strong\u003e 60 Watts Max\u003c\/li\u003e\n\u003cli data-section-id=\"1f076gv\" data-start=\"1227\" data-end=\"1261\"\u003e\n\u003cstrong data-start=\"1229\" data-end=\"1247\"\u003eCone Material:\u003c\/strong\u003e Treated Paper\u003c\/li\u003e\n\u003cli data-section-id=\"1h2wezk\" data-start=\"1262\" data-end=\"1283\"\u003e\n\u003cstrong data-start=\"1264\" data-end=\"1277\"\u003eDust Cap:\u003c\/strong\u003e Paper\u003c\/li\u003e\n\u003cli data-section-id=\"1yr9mvd\" data-start=\"1284\" data-end=\"1311\"\u003e\n\u003cstrong data-start=\"1286\" data-end=\"1297\"\u003eBasket:\u003c\/strong\u003e Stamped Steel\u003c\/li\u003e\n\u003cli data-section-id=\"1bmb91h\" data-start=\"1312\" data-end=\"1338\"\u003e\n\u003cstrong data-start=\"1314\" data-end=\"1330\"\u003eMagnet Type:\u003c\/strong\u003e Ferrite\u003c\/li\u003e\n\u003cli data-section-id=\"1f2q1uz\" data-start=\"1339\" data-end=\"1383\"\u003e\n\u003cstrong data-start=\"1341\" data-end=\"1359\"\u003eTerminal Type:\u003c\/strong\u003e Solder \/ Push Terminals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1385\" data-end=\"1388\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1390\" data-end=\"1405\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1407\" data-end=\"1744\"\u003e\n\u003cli data-section-id=\"1i24ttf\" data-start=\"1407\" data-end=\"1440\"\u003eGenuine Bolton original drivers\u003c\/li\u003e\n\u003cli data-section-id=\"rmqnas\" data-start=\"1441\" data-end=\"1474\"\u003eLarge 12-inch paper cone design\u003c\/li\u003e\n\u003cli data-section-id=\"11lngku\" data-start=\"1475\" data-end=\"1502\"\u003eWarm vintage analog sound\u003c\/li\u003e\n\u003cli data-section-id=\"1rpxcga\" data-start=\"1503\" data-end=\"1543\"\u003eDeep bass and strong mid-bass response\u003c\/li\u003e\n\u003cli data-section-id=\"hiw1ic\" data-start=\"1544\" data-end=\"1566\"\u003eHeavy ferrite magnet\u003c\/li\u003e\n\u003cli data-section-id=\"1fzrsz2\" data-start=\"1567\" data-end=\"1602\"\u003eStamped steel basket construction\u003c\/li\u003e\n\u003cli data-section-id=\"1v9hnsd\" data-start=\"1603\" data-end=\"1642\"\u003eEasy replacement for vintage speakers\u003c\/li\u003e\n\u003cli data-section-id=\"139glyx\" data-start=\"1643\" data-end=\"1682\"\u003eSuitable for DIY loudspeaker projects\u003c\/li\u003e\n\u003cli data-section-id=\"gjrkbk\" data-start=\"1683\" data-end=\"1717\"\u003eExcellent restoration components\u003c\/li\u003e\n\u003cli data-section-id=\"g71aad\" data-start=\"1718\" data-end=\"1744\"\u003ePair of matching drivers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1746\" data-end=\"1749\"\u003e\n\u003ch2 data-section-id=\"mu966k\" data-start=\"1751\" data-end=\"1766\"\u003eApplications\u003c\/h2\u003e\n\u003cul data-start=\"1768\" data-end=\"1919\"\u003e\n\u003cli data-section-id=\"wj6ilh\" data-start=\"1768\" data-end=\"1797\"\u003eVintage Speaker Restoration\u003c\/li\u003e\n\u003cli data-section-id=\"1hiq2j4\" data-start=\"1798\" data-end=\"1822\"\u003eDIY Loudspeaker Builds\u003c\/li\u003e\n\u003cli data-section-id=\"n9dacn\" data-start=\"1823\" data-end=\"1843\"\u003eHome Audio Systems\u003c\/li\u003e\n\u003cli data-section-id=\"1owkh0s\" data-start=\"1844\" data-end=\"1864\"\u003ePA Speaker Repairs\u003c\/li\u003e\n\u003cli data-section-id=\"y4o9fv\" data-start=\"1865\" data-end=\"1890\"\u003eCustom Cabinet Projects\u003c\/li\u003e\n\u003cli data-section-id=\"93elct\" data-start=\"1891\" data-end=\"1919\"\u003eReplacement Woofer Drivers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1921\" data-end=\"1924\"\u003e\n\u003ch2 data-section-id=\"hrykuu\" data-start=\"1926\" data-end=\"1938\"\u003eCondition\u003c\/h2\u003e\n\u003cul data-start=\"1940\" data-end=\"2359\"\u003e\n\u003cli data-section-id=\"9tsi2z\" data-start=\"1940\" data-end=\"1976\"\u003ePre-owned vintage speaker drivers.\u003c\/li\u003e\n\u003cli data-section-id=\"1chrz9i\" data-start=\"1977\" data-end=\"2050\"\u003eCones appear complete with no obvious tears visible in the photographs.\u003c\/li\u003e\n\u003cli data-section-id=\"1ubfasn\" data-start=\"2051\" data-end=\"2112\"\u003eVoice coil assemblies and spider suspensions appear intact.\u003c\/li\u003e\n\u003cli data-section-id=\"vyh0i7\" data-start=\"2113\" data-end=\"2188\"\u003eFrames show cosmetic wear, oxidation, and paint loss consistent with age.\u003c\/li\u003e\n\u003cli data-section-id=\"1h16zix\" data-start=\"2189\" data-end=\"2252\"\u003eMagnets show surface oxidation typical of vintage components.\u003c\/li\u003e\n\u003cli data-section-id=\"7759t8\" data-start=\"2253\" data-end=\"2277\"\u003eTerminals are present.\u003c\/li\u003e\n\u003cli data-section-id=\"12fjnz3\" data-start=\"2278\" data-end=\"2359\"\u003ePlease examine all photographs carefully, as they form part of the description.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2361\" data-end=\"2424\"\u003e\u003cstrong data-start=\"2361\" data-end=\"2424\"\u003eYou will receive exactly the pair shown in the photographs.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"2426\" data-end=\"2429\"\u003e\n\u003ch2 data-section-id=\"ntyisd\" data-start=\"2431\" data-end=\"2442\"\u003eIncluded\u003c\/h2\u003e\n\u003cul data-start=\"2444\" data-end=\"2478\"\u003e\n\u003cli data-section-id=\"f2tm33\" data-start=\"2444\" data-end=\"2478\"\u003e2 × Bolton 30JW21 Woofer Drivers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2480\" data-end=\"2560\"\u003eNo cabinets, crossover networks, screws, or additional accessories are included.\u003c\/p\u003e\n\u003chr data-start=\"2562\" data-end=\"2565\"\u003e\n\u003ch2 data-section-id=\"14bu82z\" data-start=\"2567\" data-end=\"2583\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp data-start=\"2585\" data-end=\"2598\"\u003eSuitable for:\u003c\/p\u003e\n\u003cul data-start=\"2600\" data-end=\"2735\"\u003e\n\u003cli data-section-id=\"1coqkt3\" data-start=\"2600\" data-end=\"2633\"\u003eVintage loudspeaker restoration\u003c\/li\u003e\n\u003cli data-section-id=\"1a9jcbm\" data-start=\"2634\" data-end=\"2656\"\u003eDIY speaker cabinets\u003c\/li\u003e\n\u003cli data-section-id=\"am3l0n\" data-start=\"2657\" data-end=\"2677\"\u003eHome audio systems\u003c\/li\u003e\n\u003cli data-section-id=\"vjsdyx\" data-start=\"2678\" data-end=\"2711\"\u003eReplacement woofer applications\u003c\/li\u003e\n\u003cli data-section-id=\"5t23fv\" data-start=\"2712\" data-end=\"2735\"\u003eCustom audio projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2737\" data-end=\"2740\"\u003e\n\u003ch2 data-section-id=\"9ghvog\" data-start=\"2742\" data-end=\"2760\"\u003eImportant Notes\u003c\/h2\u003e\n\u003cul data-start=\"2762\" data-end=\"2962\"\u003e\n\u003cli data-section-id=\"e6e3s7\" data-start=\"2762\" data-end=\"2791\"\u003eVintage speaker components.\u003c\/li\u003e\n\u003cli data-section-id=\"1f3tddq\" data-start=\"2792\" data-end=\"2835\"\u003eProfessional installation is recommended.\u003c\/li\u003e\n\u003cli data-section-id=\"1khescj\" data-start=\"2836\" data-end=\"2904\"\u003eBuyers should verify dimensions and impedance before installation.\u003c\/li\u003e\n\u003cli data-section-id=\"1rg9fp\" data-start=\"2905\" data-end=\"2962\"\u003eElectrical testing is recommended prior to regular use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"qer0cr\" data-start=\"3008\" data-end=\"3054\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3012\" data-end=\"3054\"\u003eNO RETURNS • NO REFUNDS • NO EXCHANGES\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3056\" data-end=\"3117\"\u003eThis item is sold strictly on an \u003cstrong data-start=\"3089\" data-end=\"3110\"\u003e\"AS IS, WHERE IS\"\u003c\/strong\u003e basis.\u003c\/p\u003e\n\u003cul data-start=\"3119\" data-end=\"3368\"\u003e\n\u003cli data-section-id=\"1c5mq52\" data-start=\"3119\" data-end=\"3155\"\u003eNo returns, refunds, or exchanges.\u003c\/li\u003e\n\u003cli data-section-id=\"wjngf\" data-start=\"3156\" data-end=\"3194\"\u003eNo warranty is expressed or implied.\u003c\/li\u003e\n\u003cli data-section-id=\"1ggvjpx\" data-start=\"3195\" data-end=\"3263\"\u003eBuyer is responsible for testing, installation, and compatibility.\u003c\/li\u003e\n\u003cli data-section-id=\"1imqtoo\" data-start=\"3264\" data-end=\"3324\"\u003ePlease review all photographs carefully before purchasing.\u003c\/li\u003e\n\u003cli data-section-id=\"r2z7i4\" data-start=\"3325\" data-end=\"3368\"\u003eYou will receive exactly the items shown.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Vintage Records","offers":[{"title":"Default Title","offer_id":50031215804664,"sku":null,"price":8000.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/8392\/2680\/files\/WhatsAppImage2026-07-21at7.33.58PM_2.jpg?v=1784643061","url":"https:\/\/vintagerecords.in\/products\/bolton-30jw21-12-woofer-speaker-drivers-matched-pair","provider":"Vintage Records","version":"1.0","type":"link"}