Tube-number record
12BZ7
10 archive entries
BrandSylvania
ClassHigh-Mu Twin Triode
BaseNoval (B9A)
Filament12.6 V @ 300 mA
Construction
Primary TypeDual triode
EnvelopeT-6 1/2
Sections2
Filament / Heater
Heater NotesSeries/Parallel
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation1.5 W
Grid 1 Voltage-50 V
H-C Voltage180 V
Audio Performance
Key Features
- High-mu
- Miniature
- Twin triode
- Coated Unipotential Cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier - Each Section | 250 V | 3200 | 31800 | 100 | 2.5 mA |
Application Notes
Designed primarily for use as a sync separator and sync amplifier in television receivers. Also useful in clipping circuits and as a general purpose audio amplifier.
Datasheets
Datasheet: 12BZ7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
