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Preamp Tubes (641) Power Tubes (231) Rectfier Tubes (163)   5 Series,5U4.. (52)   6 series,6X4.. (44)   8 series,83.. (4)   Europen rectifiers (17)   Others (11)   Voltage Regulator (35) Rare Tubes (11) Current P. Tubes (1) Sockets/Caps (42) Others Please SelectAdazmAmperexARCTURUSBendixBrimarCBS-HytronCEICifteCossorCSFEEVEIFivreGEGECHaltronJAPANJBLJJ-TESLAKenRadLM EricssonLorenzMarconiMazdaMullardNational UnionNeotronNorthern ElectrothersOTKPhilcoPhilips MiniWatRaytheonRCARFTROGERSRSDRT / RTCSiemensSTC / ITTSylvaniaTelamTelefunkenTeslaTrigonTungsolTungsramUltronUSAValvoVisseauxWestern ElectriWestingHouse Tungsram PCC85(filament ... USD$9.83

Product 22/44 Cossor 6X4=CV493 =EZ90 =CV4005 =6063 =6202, ~6Z4,1950s, UK USD$67.46/per piece Stock : 10+ pcs. Status : NOS Box : MB Descriptions : made in 1950s by Cossor/Tungsram UK ... PS. Chinese 6Z4 and 6X4 are very close but with different pin layout(Not directly interchangeable!); 6X4 + converter = 6Z4! (=>photo )! We have converter for 6X4 to replace 6Z4 , Just click here to order! Available Options: box: 1.original (+USD$1.70)2.White box

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