Yellow Jackets plug into the power tube socket of your amp and replace the power tube you are using with an EL84. This version will turn "Class AB Pentode" amps into a "Class A Triode" amps with a ground wire to connect to the chassis in cathode bias amplifiers. The "YJCD Triode" model of Yellow Jacket reduces the amplifier's power by 70% to 90%. They can be used to replace 6V6, EL34, 6L6 and 6550 tube types in cathode biased class AB amps without modification or rebiasing. In amps with four power tubes, you can replace two of the tubes with Yellow Jackets for a partial power reduction. The EL84 tubes are included. Using this style of Yellow Jacket will allow you to attain sweet, overdriven tube sounds while keeping the volume at a neighbor-friendly level. Total height of socket and tube is 5 3/8" or 14cm.   Home > DIY Corner > THD Products > Yellow Jackets Click image to enlarge Availability: Usually ships within 24 hours. TH-YJCDT$117.95Price is for Two Yellow Jackets.

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