Browse Items (14 total)

  • Tags: 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 (Ia=30mA) Amplifier and Oscillator Max Va = 750v Ia = 90mA Amplifier Only Max Va = 600v Ia = 75mA

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 5600 umhos / (Ib = 300mA, Eb = 3000) Typically RF: Vp 4000 volts Ip 350mA Ig 93mA Plate dissipation…

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 / Transconductance 6650 umhos / (Ib = 300mA, Eb = 3000, er = -20) Typically RF: Vp 4000 volts, Ip 350mA, Ic…

SC Sylvania 1A6 box i uploaded.JPG
Sylvania set-tested radio tube 1A6 box for Sylvania set-tested radio tube or valve.

SC Mullard EBC41 box & valve No. 358 (1).JPG
Mullard EBC41 radio valve 8 pins Double Diode-Triode PIVmax 350V (diode) Vanode_max 300V (triode)

SC Radio Haltron Tube Box 06.07.13 No. 336a.JPG
Box for Radio Haltron Tube 25Z5

SC Radio Haltron box (10) No. 336a.JPG
Red cardboard outer box with 2 sided inner sleeve. Green art deco font and design. Discolouration on outer box.

Elpico box #2.JPG
Elpico Electronic radio valve PL81 box.
Green box, cardboard with yellow and black writing.
"12 months guarantee. Cylinder valve."

SC Elpico box & valve i uploaded.JPG
12 months guarantee
Cylinder valve

Mullard PM4 Box #2.JPG
Commercial box made for Mullard PM 4 type valve
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