Radio Antica e Radio d'epoca
Pyramid-1A
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Stato:
Gran Bretagna (Regno Unito)
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| Identico a |
Pyramid-1A
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| Zoccolo |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Utilizzata per |
Radio/TV-reception etc. |
| Filamento |
Vf 5.5 Volt / If 0.34 Ampere / Direct |
| Descrizione |
This tube is a modified Pyramid-1. It was designed for use as a last audio stage. It has an impedance of 4000. Ohms
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| Bibliografia |
- - Manufacturers Literature Undated tube data booklet, c. 1925, p.17
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Just Qvigstad
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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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