Details
New old stock transmitting tetrode on "giant" 5 pin base with top cap (Our socket C803). Eimac brand. The 6569 is similar to the 4-250A but has a gain of 45.
New old stock transmitting tetrode on "giant" 5 pin base with top cap (Our socket C803). Eimac brand. The 6569 is similar to the 4-250A but has a gain of 45.