{"product_id":"nobsound-8-pin-dual-bias-current-probes-tester-dual-large-ampere-meter-for-el34-kt88-6l6-6v6-5881-6550-kt66-kt100-kt120-tubes","title":"Nobsound 8-Pin Dual Bias Current Probes Tester+Dual Large Ampere Meter for EL34,KT88,6L6,6V6,5881,6550,KT66,KT100,KT120 Tubes","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDouk Audio\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChannels\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e2 (2.0)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDOUK AUDIO Model\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCT1-BOX\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaximum Power Per Channel\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNO POWER\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCT1-BOX\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"16942927\" type=\"relation\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\n\u003cp style=\"font-family:Poppins;font-size:13px;font-weight:300;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" align=\"left\"\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eIntroduction\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:Poppins;font-size:13px;font-weight:300;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" align=\"left\"\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eCT1-BOX is designed by Douk Audio, in order to measure the cathode current of the power tube for bias reading (at low voltage side of the tubes), suitable for EL34, KT88, 6L6, 6V6, 5881, 6550, KT66, KT100, KT120, 7027 etc., equipped with large current meter, easily and distinctly to read.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr style=\"font-family:Poppins;font-size:13px;font-weight:300;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" align=\"left\"\u003e\n\u003cp style=\"font-family:Poppins;font-size:13px;font-weight:300;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" align=\"left\"\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eFeatures\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"font-family:Poppins;font-size:13px;font-weight:300;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" align=\"left\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eCeramic socket and gold pins for longer service life, tough gold pins with a thick gold plating.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eDual larger current meter reader, max test current range up to 100mA.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eAdopting copper wire to ensure excellent conductivity.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eEach probe tester is soldered by outstanding craftmanship.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eMetal case, more solid and with better shielding performance.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"font-family:Poppins;font-size:13px;font-weight:300;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" align=\"left\"\u003e\n\u003cp style=\"font-family:Poppins;font-size:13px;font-weight:300;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" align=\"left\"\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eFeatures\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"font-family:Poppins;font-size:13px;font-weight:300;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" align=\"left\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eModel: CT1-BOX\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eDC Plug: 5.5\/2.2 mm\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eLength of tube socket cable: 23cm\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eMaterial of tube socket: ceramic\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eRange of current meter: 100mA\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eDimensions of box (W*D*H): 150*106*70mm \/ 5.90*4.17*2.75in\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eNet weight: 500g \/ 1.10lb\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003ePackage weight: 1000g \/ 2.20lb\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"font-family:Poppins;font-size:13px;font-weight:300;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" align=\"left\"\u003e\n\u003cp style=\"font-family:Poppins;font-size:13px;font-weight:300;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" align=\"left\"\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003eHow to use it ?\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:Poppins;font-size:13px;font-weight:300;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" align=\"left\"\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003e1. Turn off your amplifier, and connect two probe testers separately to the A and B interface of CT1-BOX.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003e2. Remove the power tubes, insert them into the bias probe sockets.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003e3. Insert bias meter probes into the tube sockets of the amplifier.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003e4. Turn on your power amp, let the tubes get warm about 5 minutes, then read the bias measurement.\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003e5. The left current meter is reading \"A\" input, and the right current meter is reading for \"B\" input. If the reading value of both are the same, that's perfect. If not , the difference should be no more than 2mA or 3mA for a good balance between the tubes.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr style=\"font-family:Poppins;font-size:13px;font-weight:300;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" align=\"left\"\u003e\n\u003cp style=\"font-family:Poppins;font-size:13px;font-weight:300;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" align=\"left\"\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003ePacking List\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"font-family:Poppins;font-size:13px;font-weight:300;letter-spacing:normal;text-align:left;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" align=\"left\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003e1 Pair × Probe Tester\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size:24px\"\u003e\u003cspan style='font-family:\"times new roman\", times'\u003e1 × Current Meter Box\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align:left;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" align=\"left\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H65c2e476b3d24a06892696c38161057dw.jpg?width=1600\u0026amp;height=1600\u0026amp;hash=3200\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H184e36f85d1943cc8b68587ec16ae76d7.jpg?width=1600\u0026amp;height=1600\u0026amp;hash=3200\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H5b5257d2c091493c9421419477dd0609r.jpg?width=1600\u0026amp;height=1600\u0026amp;hash=3200\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H6d778c1cdb404957b63936145ecebb0ck.jpg?width=1600\u0026amp;height=1600\u0026amp;hash=3200\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H222ede0916e04668a925050e26bf4cd5m.jpg?width=1600\u0026amp;height=1600\u0026amp;hash=3200\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H65fb1ee56a314190b4dd6e57d2e0a499i.jpg?width=1600\u0026amp;height=1600\u0026amp;hash=3200\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H74c9eb0f483644ab9ffaa91e2edc1dd8a.jpg?width=1600\u0026amp;height=1600\u0026amp;hash=3200\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"16939938\" type=\"custom\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"4WheelsNElectroPro","offers":[{"title":"United States","offer_id":53123678208279,"sku":"200007763:201336106","price":67.73,"currency_code":"CAD","in_stock":true},{"title":"GERMANY","offer_id":53123678241047,"sku":"200007763:201336101","price":72.26,"currency_code":"CAD","in_stock":true},{"title":"UNITED KINGDOM","offer_id":53123678273815,"sku":"200007763:201336105","price":60.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/6320\/7959\/files\/Scc2c74643add42e4940a33ad134aaf04t.webp?v=1778397147","url":"https:\/\/4wheelsnelectropro.myshopify.com\/products\/nobsound-8-pin-dual-bias-current-probes-tester-dual-large-ampere-meter-for-el34-kt88-6l6-6v6-5881-6550-kt66-kt100-kt120-tubes","provider":"4 Wheels N Electro Pro","version":"1.0","type":"link"}