Explore our collection of Double Triode 43 items
MELZ subminiature with gold grid, bulk lot of 10, equiv. to 6021, similar to 6SN7 double triodes
Military-grade subminiature with OTK stamp, rhombus marking, high reliability, 10-tube lot
Tesla 6CC42 double triode, L3-3 tested, equivalent to 5670/2C51/6385/396A
Very rare 6CC42 double triode with inclined square getter
Rare Tesla 6CC42 double triode with square D-getter, tested, equals 5670/2C51
Reflector enhanced version, 5000hr durability, tested on L3-3, equivalent to E88CC/ECC88/6DJ8/6922
Ultra-rare 1974 Reflector SWGP with silver shields, tested Holy Grail tube
Very rare 1950s ribbed anode construction, tested on L3-3 with parameters documented. Premium tube from legendary FOTON factory.
American-made with O-getter, tested on L3-3, NIB with original packaging
MELZ rare metal base with hole plate construction, tested on L3-3, equiv. to 1578/6N8M/6SN7
Ultra-rare NOS Tesla 6CC42 pinched waist with inclined D-getter, tested
Premium special-quality double triode tested on L3-3 with parameter label attached. Excellent for voltage amplification and driver stages.