Tube Bias Calculator

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V1.9.5 Added KT120 and KT150 tubes to tube database.
V1.9.3 Added 12AU7 to tube database.
V1.9.2 Minor editing.
V1.9.1 Removed redundant Plate-to-Cathode Voltage input.
V1.9 Minor editing.
V1.8 Changed 'Plate Voltage' to 'Plate-to-Cathode Voltage. Minor format changes.
V1.7 Corrected 'Bias Using Plate Current' calculation bug.
V1.6 Added 5 new tubes to the database.
V1.5 Minor changes.
V1.4 Minor format changes.
V1.3 Added more tubes to the database and more detail on the Help page.