- RF Transistors and Tubes HG2879, 2879C etc
- 3-500z/ 3-500c New Tubes (FREE SHIPPING)
3-500z/ 3-500c New Tubes (FREE SHIPPING)
I personally use these tubes in my 500z amplifiers from single 500z up to 4 tube 500z. These are the highest quality 500z being produced today in my opinion.