This is an NOS quad set of 4 RCA 6C4 tubes.2 are JAN and 2 are JRC. All are NOS.
Quad 4 NOS Military JAN JRC RCA 6C4 radio amp vacuum Tubes NOS in box
This is an NOS quad set of 4 RCA 6C4 tubes.2 are JAN and 2 are JRC. All are NOS.
Quad 4 NOS Military JAN JRC RCA 6C4 radio amp vacuum Tubes NOS in box
This is an NOS quad set of 4 RCA 6C4 tubes.2 are JAN and 2 are JRC. All are NOS.
Quad 4 NOS Military JAN JRC RCA 6C4 radio amp vacuum Tubes NOS in box
This is an NOS quad set of 4 RCA 6C4 tubes.2 are JAN and 2 are JRC. All are NOS.
Quad 4 NOS Military JAN JRC RCA 6C4 radio amp vacuum Tubes NOS in box
This is an NOS quad set of 4 RCA 6C4 tubes.2 are JAN and 2 are JRC. All are NOS.
3 RCA 12BY7A Radio Amplifier Electron Vacuum Tubes EICO 625 Tested STRONG
Here is a group of 3 RCA 12BY7A amplifier radio electron vacuum tubes. All 3 tested on my EICO 625 Tested STRONG.
3 RCA 12BY7A Radio Amplifier Electron Vacuum Tubes EICO 625 Tested STRONG
Here is a group of 3 RCA 12BY7A amplifier radio electron vacuum tubes. All 3 tested on my EICO 625 Tested STRONG.
3 RCA 12BY7A Radio Amplifier Electron Vacuum Tubes EICO 625 Tested STRONG
Here is a group of 3 RCA 12BY7A amplifier radio electron vacuum tubes. All 3 tested on my EICO 625 Tested STRONG.
12BH7A RCA JAN VINTAGE AUDIO TUBE NOS NIB *eTracer #12B35
Tested on our eTracer curve tracer at datasheet specs on a full curve map. Triode #1 – Plate Current = 14.90mA Rp = 4615 Gm = 3282 Mu = 15.1 Corners = PASS. Triode #2 – Plate Current = 14.06mA Rp = 4850 Gm = 3163 Mu = 15.3 Corners = PASS.
12BH7A RCA JAN VINTAGE AUDIO TUBE NOS NIB *eTracer #12B35
Tested on our eTracer curve tracer at datasheet specs on a full curve map. Triode #1 – Plate Current = 14.90mA Rp = 4615 Gm = 3282 Mu = 15.1 Corners = PASS. Triode #2 – Plate Current = 14.06mA Rp = 4850 Gm = 3163 Mu = 15.3 Corners = PASS.