(!!!!) (Best Value Single) 5U4G Sylvania used/good 1951 (50/40 and 52/40)
$ 48.88
5U4G Sylvania used/good 1951
50/40
52/40
Recommended for
- SET amps
- Wright Sound SET
- Audio Note P4 Balanced mono amps
- Dared MCP7 preamp with phono
- Singlepower
- Modwright Transporter
- Donald North Audio
See more: vacuum tube


