Please, pay attention to the title: '=' means "fully similar"  our tube can replace this model  without any additional adjustements; '~' means "partially similar"  our tube can replace this model only after some adjustments to your system.
NOS vintage USSR 6N9S Double Triode tubes.
Four tubes in one lot.
Tested and matched using L3-3 tester.
We ship via International Airmail from the Post Office in Kyiv.
Tracking number is provided.

Important notice for buyers from Canada -shipping to central and western provinces of Canada may take up to 2 months! 


Important information for buyers from Australia, Oceania, Central Africa and South America: due to increased shipping cost to these regions, shipping price is calculated individually. 

!!!Dear buyers, despite the treacherous Russion invasion of Ukraine
we are working!!!


Some minor delays in the delivery may happen.