- 5751 RCA USA, NOS
- Triple mica
- Black plate
- Square getter
- Mica support rods
- made in the early 1960s
- Probably the best 5751 / 12ax7 type tube ever made, very rare
- This RCA black-plate tubes are considered to be the best sounding tubes of its type. They provide a very detailed tone, full of warmth and a remarkable three-dimensionality
- BLower Gain ECC83 type tube. great for clean tone with mild top end compared with "regular" ECC83/12AX7
Pro's choice for improved Fender Clean-Tone
- Carefully tested for flawless performance, low noise and lowest microphonics
NOTE: some have white RCA marking, some red RCA markings, all originally RCA boxed
- Tube Type: 5751(12AX7/ECC83)
- Socket: 9 Pin(Noval)
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