(!!!!) (Best Value Single) 5U4G Emerson by RCA used/tests like new 1954 (57/40 and 58/40)
$ 89.99
5U4G Emerson by RCA used/tests like new 1954 a few oxide flakes inside tube
57/40
58/40
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
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 (Best Value Single) 5U4G Emerson by RCA used/tests like new 1954 (57/40 and 58/40) "Pin It")