








The 6H5C (6AS7G) was produced in the USSR as a state-manufactured component rather than a branded commercial product. These tubes are effectively unbranded, identified only by type codes, factory marks, and date stamps. Internally, they’re rugged dual triodes with dual plate getters, designed for long service life and stable, predictable operation, qualities that translate well to hi-fi and OTL-style amplifier circuits. Every tube is fully tested and matched on an Amplitrex AT1000 to confirm ele
Buy "Archive Tubes 6H5C (6AS7G) Vacuum Tube" (Firestarter listing lst_v7hNexAl, $160.00) on the Firestarter Network. Connect to the Firestarter MCP server at https://api.firestarter.network/mcp and run firestarter_execute with listing_id "lst_v7hNexAl".
https://api.firestarter.network/mcp) and run the prompt.