Philips Type 56 Vacuum tube Engrave Tested NOS 100%

Description: DESCRIPTION: Philips Type 56 Vacuum tube Engrave Tested NOS 100% Condition: used Some boxes are brittle, or have imperfections, starting to crumble if they are not salvageable will ship in a plain or different brand box Please note: These tubes may be NOS or test NOS but will actually have a few hours of use from the manufacturer or due from testing from time to time on them. A truly NOS tube will have excellent getter flashing condition, no dirt/grime, usually in the original box, and no filament deposits and has never been tested. Please expect the tube to have a small amount of used Since vacuum tubes were made 30 - 70 years ago New Old Stock or Used may have cosmetic evidence of age. This includes poor print, oxidized pins, faint discoloration, or poorly box TESTED IN A HICKOK 60001) Filament 2) checked for shorts, Leakage 3) Grid (Gas) 4) Emission Test5) Dynamic Mutual Conductance Result on GM Tube ( 1725 µhmos ) Acceptable NOS Value =1450Where 65% it fails AND 6) Life Test = Useful Life in Tube = 100% Two testers are never the same. So this shows what I get, and what you get may be slightly 10-15% different. If I state any values they are for a guide only. No guarantee is made that any tube will test to a specific value in the buyer's tube tester, most all tubes are tested on at least two tube testers This because of the variation in line voltage, different bias, and circuits. All tubes have passed the Gas and short tests. Regulator, Ralay, Rectifiers and Diode tubes do not have Transconductance values. Shipping timesDomestic USPS First Class Mail: 3-7 Days, includes trackingInternational USPS First Class Mail: 3-5 weeks but sometimes longer, without trackingPlease eBay shipping estimates is not AccurateRequest an Invoice Canada $14.98 Other $18.98 International BuyersPlease Note: Buyer is responsible for all taxes, duties, and import fees. Please contact your local customs office for costs. Return PolicyGuarantee: 100% Contact Us If you're in any way dissatisfied with your purchase, do not hesitate to contact us through "MY MESSAGES". We will do our best to solve it for you. We are committed to ensuring that you are completely satisfied with every transaction. So Please DO contact us first to get a better solution before you would leave A Negative or Neutral feedback.

Price: 4.95 USD

Location: Hesperia, California

End Time: 2024-12-26T07:36:25.000Z

Shipping Cost: 5.5 USD