Check the listing for details. Vacuum Tube Set, for calibrating TV-7 Testers. Condition: New. Listed at 75.00 USD. Product Details Vacuum Tube Set, for calibrating TV-7 TestersSET-TV7-CALIBRATIONSold individually This is a set of measured vacuum tubes for use in TV-7 vacuum tube tester calibration. The values for each vacuum tube will be measured and included for the purpose of calibrating your own TV-7 tester at home. Steps for this calibration can be found online. Three tubes will be included: 6L6 6AU6 12AT7 These tubes are tested at the following settings: Tube Filament Settings Bias Shunt Range 6L6 6.3 HS5-3481 23 0 D Tube Filament Settings Bias Shunt Range 6AU6 6.3 ET1-5672 16 0 B Tube Filament Settings Bias Shunt Range 12AT7 12.6 EV7-6080 10 0 C Note that brands are not guaranteed to match photograph. These calibration sets are not eligible for returns/refunds. Not what you're looking for? Check out our other products in this category:Tools -> Test EquipmentClick here to visit our ebay store's homepage.MeasurementsPackaging Information:Packaging Dimensions3 in. x 2 in. x 5.5 in.Weight (Packaging)0.2867 lbs.About UsAbout Amplified Parts:Backed by over 30 years of experience serving the electronic hobbyist market, Amplified Parts® provides the parts you need to modify, repair, or build your own audio and musical instrument equipment, from transistor radios to vacuum tube amplifiers, guitar pedals, and modular synthesizers. Our mission is to provide our customers with high quality products from an inventory of over 12,000 unique items, and to share our expertise via our large library of tech articles and equipment build guides.Whether you are building cutting-edge equipment or restoring classic gear with historical accuracy, Amplified Parts® has what you need.We typically ship the same day if your order is placed before 12:00pm Arizona Time Monday through Friday excluding holidays.All packages are insured and we assume responsibility for the shipment until the carrier shows delivery.Click here to visit our ebay storefront.