Matched Pair General Electric GE 6SL7 6SL7GT Vacuum Tubes

Matched Pair General Electric GE 6SL7 6SL7GT Vacuum TubesThis matched pair of GE 6SL7GT dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 31 34 while Tube Two measured 32 35where minimum (65%) is 32 32 49 49. They have steel plates; steel support rods; 1 13 188 5 and 188 5 date provenance codes; solid top mica spacers; side harp getters; tall bases; medium bottles and excellent flashing. I am playing them as I write

The 1X2 has been revised to "1X2A"

a horseshoe getter and terrific flashing

mesh plate tubes tested 31 and 36 on our Paul Hart-calibrated TV7/U where minimum (65%) is 25 and 100% is 38

new in box Admiral 6Y6G tube tested to spec on our Paul Hart-calibrated TV7/U

Tube Two measured 10

This tube has B2K1 provenance codes

new in box US-made 12HL7 tubes tested to spec on our Paul Hart-calibrated TV7/U

75-7 out of 10

These four US-made type / number 41 tubes tested as follows on our Paul Hart-calibrated TV7/U:

You must indicate the quantity you want

The Superior-tested tube measured "low to medium-good

Tube Two (triode): 32