1 tube) 5U4GB RCA Baldwin “”D”” getter halo used/good 1962 (53/40 and 53/40) glass slightly tilted in base

Recommended for

– SET amps
– Wright Sound SET
– Audio Note P4 Balanced mono amps
– Dared MCP7 preamp with phono
– Singlepower
– Modwright Transporter
– Donald North Audio