Matched Pair Chatham Electronics 6H6 JAN-CAHG-6H6-WGT Micanol Base Milspec Vacuum Tubes Valves

Matched Pair Chatham Electronics 6H6 JAN-CAHG-6H6-WGT Micanol Base Milspec Vacuum Tubes ValvesThis matched pair of milspec Chatham Electronics 6H6 JAN CAHG 6H6 WGT tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas.. Tube One measured 49 49 while Tube Two measured 51 51 where minimum (65%) is 40 40 and 100% is 62 62. These tubes are very well built and extremely rugged. They have an extra mica spacer for vibration suppression, thick glass and micanol bases. WE HAVE SCORES OF

This General Electric 22JF6 tube tested 75 on our Paul Hart-calibrated TV7/U where minimum is 54 and new is 100

Tube Three: 40/2120 and

rounded rectangle

coke-bottle-shape glass envelopes and terrific flashing

It measured an almost-perfectly-balanced 71/72 where minimum (65%) is 56/56 and 100% is 86/86

stout gray plates

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I am playing them (with adapters

outstanding flashing

shorts and gas

These three 6G6G tubes were tested on our Paul Hart-calibrated TV7 for shorts gas and transconductance

new in box matched pair of Sylvania gray glass 7C5 tubse was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volt for shorts