-40%
Pair 5R4GYB Audio Receiver Rectifier Vacuum Tube Tested Match Date codes strong
$ 22.0
$ 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
See Details On eBay
Description
Description
Tested at 70/78 and 71/76, where 40 is minimum.