Tube-number record
LS 300
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BrandTELEFUNKEN
ClassTasttriode
Construction
Primary TypeTriode
EnvelopeGlass
Sections1
Filament / Heater
MaterialOxyd
Warm-up Time10s
Absolute Maximum Ratings
Plate Voltage3200 V
Plate Dissipation300 W
Grid 1 Voltage-200 V
Cathode Current17000 mA
Audio Performance
Key Features
- Direkt geheizt
- Impulsbetrieb
- Transportsicher bis 5g
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Impulsbetrieb | 2000 V | 45000 | — | 33.3 | 500 mA |
Application Notes
Anheizzeit etwa 10 sec. Heizung am Sockel gemessen. Heizspannung zuerst einschalten, dann Anodenspannung.
Datasheets
Datasheet: LS300.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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