- Product 210395
THD YJ20D Yellow Jacket Cathode Duet Non Power Reducing
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An adapter that permits the use of an EL84 power tube in place of a 6V6 in cathode-bias amps without dropping the power. There are no adjustments to ...Click To Read More About This Product
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Converts your amp to Class A EL84 operation.
An adapter that permits the use of an EL84 power tube in place of a 6V6 in cathode-bias amps without dropping the power. There are no adjustments to make and no modifications necessary. You simply plug the Yellow Jacket into the amp's output tube sockets, screw the ground wires under one of the output tube socket mounting screws, plug the provided EL84s into the Yellow Jacket, turn on the amp, and play.
Yellow Jacket converters not only rearrange the pin locations of the tubes, but also provide the necessary current limiting on the screens and cathode as well as blocking the amplifier's grid-bias voltage, configuring the EL84 in a Class-A, self-adjusting cathode-bias circuit.
In Champ- and Deluxe-type amplifiers, the Yellow Jacket output is smooth, strong and more even than with the stock 6V6s. Any 6V6 using amplifier is instantly converted to a Class A monster with great response and output.
Will they hurt your amp? No! Yellow Jacket converters are safe for all amplifiers and transformers. As all Yellow Jacket Converters internally limit voltage and current they put no extra strain on amplifiers' power and output transformers or internal components. Using the Yellow Jacket in higher powered amplifiers actually reduces the strain on the transformers and internal components because it reduces the overall wattage of the system. Furthermore, the heater (or filament) current of the EL84 is lower than that of the 6L6, EL34 or 7591, so the Yellow Jacket will reduce the strain on the filament windings of the power transformer as well.
- Use an EL84 in place of a 6V6 in cathode-bias amps
- Tubes included