811A

Cetron JAN 811A Vacuum Tube, NOS, Date Code 8235, Tested Full RF Output, USA Made Military Spec  I tested this tube in an Ameritron 811 Amplifier and it is full emission.  This is the only Cetron 811A I have and there are several other brands...

RCA 811A Vacuum Tube Date Code 6948 NOS Full Output  I tested this 811A in an Ameritron 811 Amplifier and it is full emission. In Fact it tested more output than most of all the 811A tubes I tested.   The date codes indicates it is a 1969...

RCA JAN (Joint Army Navy) Pair of 811A Vacuum Tubes Military spec . NOS Full Output  I tested this pair in an Ameritron 811 Amplifier and they are full emission. In Fact they tested more output than most of all the 811A tubes I tested.   The...

RCA Radiotron 811 Vacuum Tube Y5 date code (1971) Used, full Emission  I tested this tube in an Ameritron 811 Amplifier and it is full emission.  This is the only RCA 811 I have and there are several other brands in my listings...

Svetlana 811A Vacuum Tubes, Matched Pair (2) NOS 9412 Date Code, Tested Full Output, in Original Boxes   These tubes were purchased new and were never used. I tested them in an Ameritron 811 Amplifier and they are full emission.   These rugged...

United Electron 811A vacuum tubes Set of (4) Made in England All Tested Full Output  I tested this set of 4,  811As in an Ameritron 811 Amplifier, one at a time they are all full emission and had the same output (well matched). In Fact they...