Sold 1 bottle 12AT7WA equivalent tube black plate measured value 62 (rejected value 50) with original box*Measured values are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box (the claws on the lid are damaged)
The pair tube direct heat triode is thought to be made in America due to its double square getter structure. The measured value is 62/54 (rejected value 38) with original box written on the base part on one side, and it makes a rustling noise inside the tube*The pair is determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box