Tube Amp Power Transformer Current Draw Calculator

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Power Transformer Voltage:

Custom Transformer Voltage

Only considered when NO transformer is selected

Rectifier Type:

Power Tube Type:

*6L6 tubes have different ratings. Please, select the correct type:

Custom Power Tube (enter tube max power in watts and filament current draw in amperes)

Only considered when NO tube type is selected

Optional Rload in Ohms (typically the output transformer primary impedance)

Only considered when PP (Push-Pull is selected)

Number of tubes

Power Tubes

Pre Amp Tubes:

Use formula for: