5637 Vacuum Tube Sylvania USA NOS Triode Subminature - 1961

BaseWires only
FilamentVf 6.3 Volts / If: 0.15 Ampere /
DescriptionT3 subminiature high-mu triode; mu=70, Gm=3.5mS. 
GE and Sylvania known manufacturers


Original JAN Box
Unable to Test - New In Box.

Tubes will be packed securely and shipped via Canada Post Air Parcel. 

Please email with any questions before bidding.

Winning bidder to pay price plus shipping and handling by Paypal - Funds must be received within 5 days after end of auction, or the item will be re-listed.

Multiple purchases/Combines Shipping is encouraged to reduce shipping costs.



**For Multiple Item purchases, please use the "Add to Cart" Button.

After all items are added to your cart, click on "Request Total from Seller" for your combined shipping discount**  

Please contact me if you have any questions regarding combined shipping.

Will Ship via USPS First Class / Priority Tracking to USA if requested.

Will Ship Internationally via DHL Global Mail with Tracking, if requested.