Prima Donnas: — 2x56

It features a distinct "shoulder" glass shape (S-12 or ST-12).

Known for a lush, liquid midrange that modern transistors simply cannot replicate. Prima Donnas: 2x56

Owning a piece of gear like this isn't "set it and forget it." To keep your Prima Donnas singing: It features a distinct "shoulder" glass shape (S-12

String instruments like cellos and violins gain a woody, resonant texture that feels tactile. Prima Donnas: 2x56

Always use a soft-start circuit to protect those precious 1930s filaments.