-40%
Pair 5R4GYB Audio Receiver Rectifier Vacuum Tube Tested Match Date codes strong
Pair 5R4GYB Audio Receiver Rectifier Vacuum Tube Tested Match Date codes strong
Pair 5R4GYB Audio Receiver Rectifier Vacuum Tube Tested Match Date codes strong
Pair 5R4GYB Audio Receiver Rectifier Vacuum Tube Tested Match Date codes strong
Pair 5R4GYB Audio Receiver Rectifier Vacuum Tube Tested Match Date codes strong
Pair 5R4GYB Audio Receiver Rectifier Vacuum Tube Tested Match Date codes strong
Pair 5R4GYB Audio Receiver Rectifier Vacuum Tube Tested Match Date codes strong

Pair 5R4GYB Audio Receiver Rectifier Vacuum Tube Tested Match Date codes strong

$ 13.2

  • Brand: Motorola
  • Country/Region of Manufacture: United States
  • MPN: Does Not Apply
  • Model: 5R4GYB
  • Seller Notes: “Tested on a BK747B mutual conductance tester...see description”
  • Type: Vacuum Tube

Description

Tested at 70/78 and 71/76, where 40 is minimum.