(!!!) (Recommended Single) 5U4GB RCA NOS 1961 (56/40 and 55/40)
$ 78.88
5U4GB RCA NOS 1961 (MD) a few small vertical scratches on base
56/40
55/40
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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 (Recommended Single) 5U4GB RCA NOS 1961 (56/40 and 55/40)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/7_1_3200b450-da8b-4574-9d37-b866e96afc58.jpg?v=1790231186){kind=link}
 (Recommended Single) 5U4GB RCA NOS 1961 (56/40 and 55/40) "Pin It")