Antique radios, Old Time Radios
MPT4
Country:
Great Britain (UK)
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Brand:
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Tube type: |
Vacuum Pentode Power/Output |
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Identical to |
MPT4
= VT115
= CV1683
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Similar
Tubes |
Other shape (e.g. bulb type):
MPT4_5pin_Catkin
Normally replaceable-slightly different:
TE534
Other base:
MPT4_7pin
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Successor Tubes
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MKT4_5pin
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Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Ndo)
Sidecontact.
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC defined voltage) |
Description |
Pa<8W; Typ 2.5W audio output at Va=250; Ia=32mA; Rload=8k; Vg2=200; Vg1=-10;. Also available with 7 pin base and in Catkin form.
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Information source |
Taschenbuch zum Röhren-Codex 1948/49
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MPT4: "Trader" Service Sheet 518
Georg Richter
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 |
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MPT4
Klaus Rüdiger
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MPT4: rtt
Michael Schlör
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MPT4: Marconi Datasheet
Georg Richter
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from Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):106
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