Radio-Katalog, Röhren, Halbleiter etc.
328A
| Sockel |
USA-6-Stift-Sockel /U6A) (Codex=Kf)
Obenanschluss-Kappe.
|
| Anwender |
Telephonie |
| Heizung |
Uf 7.5 Volt / If 0.425 Ampere / Indirekt / Spezifizierte Spannung ~ = |
| Beschreibung |
Similar to 310A with different heater. Silvered pins, gold-plated grid.
WE writes in 1937: "The electrical characteristics of the 328A tube are identical to those of the 310A tube except for the heater voltage and current."
"This tube is intended primarily for use in audio, carrier and radio-frequency voltage amplifiers, oacillators or modulators. The connection for the suppressor grid has been brought out to an external terminal, thus making the tube more flexible in its applications." ... "A small, metal cap control-grid terminal is located at the top of the bulb."
The tube was widerly used for telephone repeaters and was also made by Valvo in Germany - and used for military purposes.
|
Abmessungen (BHT)
inkl. Stifte/Spitzli |
x 124 x 40 mm / x 4.88 x 1.57 inch |
| Sammlerpreise |
3 Sammlerpreise (nur sichtbar für
Mitglieder Radiomuseum.org)
|
| Literatur |
Tube Lore (I)
Babani, International Radio Tube Encyclopaedia p. 32 & 33
- - Manufacturers Literature
Taschenbuch zum Röhren-Codex 1948/49
|
|
328A: rtt
Anonym 10 Sammler
Mehr...
|
Just Qvigstad
|
328A: own collection
Peter den Boer † 2025
Mehr...
|
Anzahl Modelle bei Radiomuseum.org
bestückt:1
Sammlung von
|
|
|
|
[rmxtube-ge, noindex]
| Datenkonformität |
Mehr Informationen |
|
|
|
