2 X CV1988 / 6SN7GT / B65 PHILIPS KLU / MWT TUBE. LOW EMISSION. USED. 5. CH169

BEFORE BUYING READ ALL THE DESCRIPTION.

2 X CV1988 / 6SN7GT / B65 TUBE. USED.

BRAND: PHILIPS KLU / MARCONI WIRELESS TELEGRAPH. 1950s PRODUCTION.

BLACK PLATES, HALO / RECTANGULAR GETTER.

BOTH TUBES ARE USED; THEIR EMISSION IS LOW. THIS TUBES WILL NOT FUNCTION IN STANDARD MUSIC HI-FI EQUIPMENT DUE TO

THEIR LOW VOLTAGE EMISSION. BUY ONLY KNOWING BOTH TUBES WILL NEED SPECIFIC MODIFICATIONS ON THE EQUIPMENT TO

FUNCTION PROPERLY.

TESTED IN ROEHRENTEST TUBE TESTER:

51/78% 4.602/7.054mA EMISSION (EM)

55/51% 4.909/4.609mA EMISSION (EM)

CH169U1