5U4GB Tungsol used/good 1960 (51/40 and 60/40)
$ 19.99
5U4GB Tungsol used/good 1960 some white oxide flakes inside tube flaked off filament wires
51/40
60/40
Tested on TV-7D/U
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
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