1 pair) 5U4GB RCA NOS (7548=1975) same date codes

1 tube) 61/40 and 60/40

1 tube) 60/40 and 60/40

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