




Sylvania produced these VT-25-10Y directly heated triodes in the United States for military, transmitter, and laboratory applications. These tubes feature black plates, brown bases, and classic directly heated triode architecture, with factory design-center reference values of 10.0 mA plate current and 1300 µmhos transconductance. Each tube has been laboratory tested on an Amplitrex AT1000 and matched by percentage against the original design-center specifications. Archive Assessed, Apos Assured
Buy "Sylvania VT25-10Y Vacuum Tube" (Firestarter listing lst_Jy4Dke33, $897.00) on the Firestarter Network. Connect to the Firestarter MCP server at https://api.firestarter.network/mcp and run firestarter_execute with listing_id "lst_Jy4Dke33".
https://api.firestarter.network/mcp) and run the prompt.