
| Vari-Watt FX Complete kit The Variable Power solution for fixed bias amps up to 50W. This complete kit contains everything you need to take control of your B+ and bias voltages. The two small boards work together so the bias voltage automatically tracks the B+ voltage. Tracking is extremely linear. Fully assembled boards and detailed installation instructions included. Board sizes: 1.5" X 2.37" and 1.4" X 1.6" $64.50 U.S. Includes Shipping (In U.S.) Please contact us for international shipping rates |

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| Vari-Watt FX DUAL Complete kit The Variable Power solution for fixed bias amps up to 50W. This complete kit contains everything you need to take control of your B+ and bias voltages. Dual bias adjustments allow you to precisely balance the output tubes. The two small boards work together so the bias voltage automatically tracks the B+ voltage. Tracking is extremely linear. Fully assembled boards and detailed installation instructions included. Board sizes: 1.55" X 2.37" and 1.4" X 1.6" $69.95 U.S. Includes Shipping (In U.S.) Please contact us for international shipping rates |