{"product_id":"tube-amp-doctor-preamp-vacuum-tube-12ax7a-c-ecc83-premium-selected","title":"Tube Amp Doctor Preamp Vacuum Tube 12AX7A-C\/ECC83 (Premium Selected)","description":"\u003ch1 class=\"col-xs-12 title\" itemprop=\"name\"\u003eVacuum Tube - 12AX7A-C \/ ECC83, Tube Amp Doctor, Premium Selected\u003c\/h1\u003e\n\u003cp itemprop=\"description\"\u003e9 pin miniature preamp tube (Amplification Factor =100).\u003c\/p\u003e\n\u003cp\u003ePerfect V2+ Preamp Tube - Good Gain - Tight Deep Bass - Fat Mid-range!!\u003c\/p\u003e\n\u003cp\u003eVery good gain, tight deep bass, fat mids and silky top end with overall definition and brightness. Selected with balanced systems and recommended for guitar amps to improve overall response.\u003c\/p\u003e\n\u003cp\u003eBest for clean tones as well as for sounds requiring deep-bass power like any modern preamp. Recommended for all positions in amps with medium gain level or High-Gain Amps for V2+ positions.\u003c\/p\u003e\n\u003cp\u003eThe TAD 12AX7A-C can replace any 7025, 12AX7WA, 12AX7WB, 12AX7LPS, 12AX7EH, ECC83 or E83CC.\u003c\/p\u003e\n\u003cp\u003e1st choice for:\u003cbr\u003eBoogie®, Brunetti®, Diezel® , Engl®, Fender®, Hughes \u0026amp; Kettner®, Koch®, Laney®, Marshall®, Soldano®, Trace Elliot® and so many more.\u003c\/p\u003e\n\u003cp\u003eQ: When does a preamp tube become a Premium Selected tube?\u003c\/p\u003e\n\u003cp\u003eA: All preamp tubes labeled Premium Selected have passed the following tests:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow Noise Test\u003c\/li\u003e\n\u003cli\u003eMicrophonic Test\u003c\/li\u003e\n\u003cli\u003eGain Test\u003c\/li\u003e\n\u003cli\u003eSonic Tests\u003c\/li\u003e\n\u003cli\u003eShock Tests\u003c\/li\u003e\n\u003cli\u003eListening Tests\u003c\/li\u003e\n\u003cli\u003eBalanced Output Test\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMeasurements\u003c\/h2\u003e\n\u003ctable class=\"measurement-table table table-hover table-striped table table-hover table-striped\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Height\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e49 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBulb Temperature\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e160°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCathode Current (I\u003csub\u003ek\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e8 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCathode to Heater Voltage\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 150 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD.C. Grid Voltage, negative\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e-55 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD.C. Grid Voltage, positive\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD.C. Plate Voltage\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e330 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrid to Cathode Capacitance (c\u003csub\u003eg\/k\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1.7 pF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrid to Heater Capacitance (c\u003csub\u003eg\/h\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e0.2 pF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrid to Plate Capacitance (c\u003csub\u003ea\/g\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 pF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeater Current\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e0.15 \/ 0.3 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeater Voltage\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e6.3 \/ 12.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eItem Diameter\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e22.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eItem Height\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e56 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlate Dissipation (W\u003csub\u003ea\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1.2 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlate to Cathode Capacitance\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e0.3 pF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Tube Amp Doctor","offers":[{"title":"Default Title","offer_id":38050757017780,"sku":"TAD12AX7ACECC83","price":1450.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0515\/2417\/4004\/products\/TAD12AX7ACECC83-0W.jpg?v=1661325540","url":"https:\/\/gpgallerymakati.myshopify.com\/products\/tube-amp-doctor-preamp-vacuum-tube-12ax7a-c-ecc83-premium-selected","provider":"GP Gallery Makati","version":"1.0","type":"link"}