Tube-number record
23Z9
0 archive entries
BrandGeneral Electric
ClassDissimilar-Double-Triode Pentode
BaseCompactron
Filament23 V @ 450 mA
Construction
Primary TypeOther / special
EnvelopeT9
Base MaterialGlass
SectionsMedium-mu triode, high-mu triode, and beam pentode
Filament / Heater
Warm-up Time11s
Heater NotesHeater voltage for a bogey tube at 0.45 A
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation7 W
Grid 2 Voltage190 V
Grid 1 Voltage150 V
Cathode Current70 mA
H-C Voltage200 V
Audio Performance
Key Features
- Compactron
- Vertical Output Service
- Vertical Oscillator
- Sync Clipper
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section | 120 V | 7100 | 11700 | — | 46 mA |
| Triode Section 1 (High-Mu) | 150 V | 3900 | 11000 | 43 | 2 mA |
| Triode Section 2 (Medium-Mu) | 150 V | 2350 | 8500 | 20 | 5 mA |
Datasheets
Datasheet: 23Z9.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results