Here is a matched pair of test like new Sovtek coin base 5881 vacuum tubes. These test strong at 83 and 85 and 81-85 for the second pair on our Hickok USM118B tester where 50 is minimum good.  Satisfaction guaranteed. TWO PAIRS ARE AVAILABLE, PRICE IS PER PAIR.

TERMS OF SALE: Serious bidders only, please.  Payment is expected within 3 days of auction close.  We ship by first class mail to the name and address of the winning bidder provided to us by PayPal and/or eBay.  We add $1 to the shipping to cover handling fees. Please use the eBay calculator to estimate the shipping fee before you bid. We declare the full value on the customs forms for any international shipments.  International bidders should be aware that first class mail cannot be tracked and that processing delays up to several weeks can occur in customs, which is beyond our control.