8 X EL36 SIEMENS TUBE. 2 MATCHED QUADS. NOS/NIB

8 X EL36 SIEMENS TUBE. NEW OLD STOCK IN ORIGINAL BOX.

 GREY PLATES, HALO GETTER

ALL TUBES ARE THE SAME.

THESE MATCHED QUADS HAVE BEEN RIGOROUSLY TESTED ON OUR COMPUTERIZED ROEHRENTEST SYSTEM. MORE THAN TWENTY VALVES WERE MEASURED TO ACHIEVE THIS PRECISE MATCHING.

THE MEASUREMENTS ARE LISTED BELOW.

TESTED IN ROEHRENTEST TUBE TESTER

QUAD 1:

97% 97.2mA EMISSION (EM) 14.50mA/V TRANSCONDUCTANCE (GM)

99% 99.3mA EMISSION (EM) 14.75mA/V TRANSCONDUCTANCE (GM)

99% 98.7mA EMISSION (EM) 14.75mA/V TRANSCONDUCTANCE (GM)

100% 99.9mA EMISSION (EM) 14.87mA/V TRANSCONDUCTANCE (GM)  

QUAD 2:

103% 103.3mA EMISSION (EM) 15.13mA/V TRANSCONDUCTANCE (GM) 

103% 103.5mA EMISSION (EM) 15.25mA/V TRANSCONDUCTANCE (GM) 

107% 107.1mA EMISSION (EM) 15.50mA/V TRANSCONDUCTANCE (GM) 

105% 105.3mA EMISSION (EM) 15.50mA/V TRANSCONDUCTANCE (GM)