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Cossor Radio Valve OM-10

SC Cossor OM-10 valve & box No. 371 (2).JPG

Iheater 0.2A Vheater 6.3V Ianode 2.7mA

Twin Tetrode Type C180 Valve

SC C180 Valve  No. 340(1).JPG

Twin Tetrode Type C180 Base: 7 pin, Chelmsford, England, 1954. Parallel Vinput 6.3 volts / Iinput 1.6 Ampere Transconductance = 3.5 A / V…

Eimac 250TH High-MU Triode

SC Eimus Type 250TH VT220 No. 342(1).JPG

Eimac 250TH High-MU Triode. Base: Special 4- pin, USA, 1953. Filament: Thoriated tungsten / Vf 5.0 volts / If 10.5 Ampere / Direct / Transconductance…

Eimac 250TH High-MU Triode

SC Type 250TH VT220 Eimus No. 338  (1).JPG

Eimac 250TH High-MU Triode. Base: 4 pin, No. 5001B, USA, 1951. Filament: Thoriated tungsten / Vf 5.0 volts / If 10.5 Ampere / Direct…

Sylvania Radio-Tube 1A6 box

SC Sylvania 1A6 box i uploaded.JPG

Sylvania set-tested radio tube 1A6 box for Sylvania set-tested radio tube or valve.

Mullard EF37A Radio Valve

SC Mullard EF39 box with EF37a valve No. 361 (1).JPG

Mullard EF37A radio valve in a Mullard EF39 valve box. Iheater      200mA Vheater      63V Vanode max 300V