Description: *FantasticTubes 🎷 🎶*One tube, circa 1954, U.S.A. made by Sylvania/Philco for NU, type 12BY7 vacuum tube as pictured. <<<<<<< As pictured = The tube you see is the tube you get! >>>>>>>Condition: New Old Stock / New In Box Silk-Screening: Please see the photos Acid Etched Designation: 12BY7 / J1BDate Code: 54-13Tube features a top-mounted 'Horseshoe' shape getter construction.* Thoroughly tested on Hickok 539B* for short (pass), gas (pass) and mutual conductance (Gm). Test Result (Gm) 9300 µMhos minimum recommended(Gm) for a good tube: 5700*Hickok 539B is a mutual conductance (Gm) type tube tester. It does check for mutual conductance which is a more accurate measure of tube's age.Satisfaction Guaranteed! *FantasticTubes !!! 🎷 🎶
Price: 16.5 USD
Location: Whitestone, New York
End Time: 2024-11-25T12:54:43.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
Restocking Fee: No
Return shipping will be paid by: Seller
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Brand: National Union
Type: Vacuum Tube
Model: 12BY7
Country/Region of Manufacture: United States
Manufacturer (original): Sylvania/Philco
