(!) (SINGLE) 5U4GB RCA used/strong 1967 (56/40 and 61/40)
$ 34.99
5U4GB RCA used/strong 1967 (BM)
56/40
61/40
Test results 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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 (SINGLE) 5U4GB RCA used/strong 1967 (56/40 and 61/40) "Pin It")