nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq8yve5f33hyqq35t3y3xu72t9x33pfdznd0kq78lf73wkxchzr5hs3mt05x but the tubes are not made in the US. as far as i know all manufacture of vaccum tubes is in eastern europe. least of the ones worth a darn.