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.
- Safe for all common amplifiers and transformers.
All Yellow Jackets® have a two year warranty against manufactured defects.
