2 X EC88 TELEFUNKEN TUBE. NEW OLD STOCK.

BRAND: TELEFUNKEN

SILVER PLATES, HALO GETTER, 3 MICA, HIGH GAIN, MATCHED PAIR.

TESTED IN AMPLITREX AT1000 TUBE TESTER:

148% EMISSION (EM) 118% TRANSCONDUCTANCE (GM) 8.8mA GAS

156% EMISSION (EM) 132% TRANSCONDUCTANCE (GM) 6.6mA GAS