Amperex 12AX7 ECC83 Vacuum Tube Valve Early 1950s Welded Plate Large D Slanted Getter 2nd Quarter BW26 These tubes have 8Y2 D3L3

These tubes have 8Y2 D3L3 and 8Y3 D0C3 date/provenance codes

new in box Philco 7A5 tube tested to spec on our Paul Hart-calibrated TV7/U

but I don't have any equipment that uses these

a saucer getter

Amperex 12AX7 ECC83 Vacuum Tube Valve Early 1950s Welded Plate Large D Slanted Getter 2nd Quarter BW26 These tubes have 8Y2 D3L3This Dutch Amperex ECC83 12AX7 dual triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and it measured 41 38 where minimum (65%) is 32 32 and 100% is 49 49. This tube is RCA branded; has solid, spot welded ribbed plates; copper support rods; a 509 date code; sutured tops and a large D getter angled at 45 degrees. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY