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FOR SALE: 4 X 4П1Л / 4P1L TUBE. NEW OLD STOCK IN ORIGINAL BOX.
BRANDS: 1959-61 SVETLANA RUSSIAN (USSR) PRODUCTION
TESTED IN ROEHRENTEST TUBE TESTER 80% 27.89mA EMISSION (EM) 5.29mA/V TRANSCONDUCTANCE (GM) 90% 31.59mA EMISSION (EM) 5.75mA/V TRANSCONDUCTANCE (GM) 85% 29.76mA EMISSION (EM) 5.28mA/V TRANSCONDUCTANCE (GM) 126% 44.04mA EMISSION (EM) 6mA/V TRANSCONDUCTANCE (GM)
BRANDS: 1959-61 SVETLANA RUSSIAN (USSR) PRODUCTION
TESTED IN ROEHRENTEST TUBE TESTER 80% 27.89mA EMISSION (EM) 5.29mA/V TRANSCONDUCTANCE (GM) 90% 31.59mA EMISSION (EM) 5.75mA/V TRANSCONDUCTANCE (GM) 85% 29.76mA EMISSION (EM) 5.28mA/V TRANSCONDUCTANCE (GM) 126% 44.04mA EMISSION (EM) 6mA/V TRANSCONDUCTANCE (GM)
