Yellow Jacket Solid State Tube Rectifier
This model of Yellow Jackets converter, the YJR, is an adapter for use in most amplifiers which use 5AR4, 5U4, or 5Y3 tubes or other similar tubes. This Yellow Jacket is a solid state device and as such does not come with vacuum tubes.* Converts most audio amplifiers which use a vacuum tube rectifier 5AR4, 5U4 or 5Y3 to a solid state device.* One year limited warranty on converter.* Safe for all common amplifiers and transformers.