Western Electric Vacuum Tube 300B 1pcs. SN209832 / 1997 Made in USA Used

Description: Description Condition : Used. There are some scratches, dirt. 1997 Reissue Edition Brand: Western Electric Model: Vacuum Tube 300B[Set includes]None There are blurred letters on the base. The week and year of manufacture cannot be identified. The adhesive in the base has come off. Emissions are slightly reduced, but can still be used. At 0 bias, ip flows almost as specified. At Ep300V, Eg-61V, ip50mA is about 15% lower than rated. Gm is 5.12m℧ and about 5% lower than rated. All measured with Delca 3000D Aging at Ep300V, ip50mA , Eg-12.5V for 24 hours.Below are the measured dataEp 100V 300V 300V 450VEg 0V -61V -71V -96.5Vip 130mA 50mA 69.4mA 60mAGm 6.36m℧ 5.12m℧ 5.54m℧Gm at 0 bias is 3 strikes Gm at 450V could not be measured due to the measurement equipmentShippingShips from Japan. Ships from FedEx or Japan Post. We ship by airmail with tracking number and insurance.If you live in a remote area, please pay additional shipping cost 25USD for us. If you are concerned, please contact us before buying. International Buyers - Please Note:Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.These charges are usually levied by the delivering carrier or when you collect the item. Please note that this is not to be confused with additional delivery charges. We do not list items below value and mark items as 'gifts' - US and international government regulations prohibit such actions.Thank you for your understanding.

Price: 655 USD

Location: Tochigi

End Time: 2024-08-24T23:40:06.000Z

Shipping Cost: 0 USD