Bias Calculator


Calculate Idle Current in Class AB (push-pull) Amps



Select Power Tube Type:

*6L6 tubes have different ratings, be sure to select the correct type:


KT88/6550 KT66GEC EL34/6CA7 6V6 EL84/6BQ5

6L6GC 6L6WGB/5881 6L6, 6L6G, 6L6GA, 6L6GB, 6L6WGA/5932


Enter Plate Voltage: