Tube-number record
UU.7
0 archive entries
BrandMazda
ClassRectifier
BaseOctal
Filament4 V @ 2.3 mA
Construction
Primary TypeIndirectly heated
Rectifier TypeFull-wave
EnvelopeSmall, metallised
Sections2
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage400 V
Cathode Current180 mA
Audio Performance
Key Features
- Indirectly heated
- Small bulb dimensions
- Metallised
- British Octal Base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Full Wave Rectifier | 300 V | — | — | — | 120 mA |
| Full Wave Rectifier | 350 V | — | — | — | 180 mA |
Application Notes
Suitable for mains portable receivers or any receivers where rectifier hum trouble is experienced due to cramped lay-out.
Datasheets
Datasheet: UU7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results