RCA USA made, 5763 output tubes, new old stock, tested and ready to plug into finals of your amplifier. Most are boxed as shown and others are in egg crates (the egg crate ones I will supply in a white box with bubble wrap). If the packaging is important to you please ask before you purchase.Offers on this item considered for quantity 25 or more.
This item is shipped from Britain, in North America or Asia please allow 2 to 3 weeks for delivery.
Here is the spec sheet for this item: http://www.mif.pg.gda.pl/homepages/frank/sheets/049/5/5763.pdf