Soviet 6P6S BEAM TETRODE vacuum tubes.

Two tubes in one lot, matched pair in each lot.

Original boxes!

SAME DATE CODE! 

Tested on L3-3 tester.

There are also a tubes 50-s with butterfly-shaped getters.

We ship via International Airmail.

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.