(!!!!) (Best Value Pair) 5U4GB RCA used/low hours like new 1974 (57-61/40 and 57-60/40)
By Tube World
$ 119.99
1 pair) 5U4GB RCA used/low hours like new 1974 (EZ) original boxes
1 tube) 57/40 and 61/40
1 tube) 57/40 and 60/40
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