UU.6
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BrandMazda
ClassFull Wave Rectifier
BaseBritish Octal
Filament4V @ 1.4mA
Construction
Primary TypeIndirectly heated
Rectifier TypeFull-wave
EnvelopeMetallised
SectionsDouble Anode
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage350 V
Cathode Current120 mA
Audio Performance
Key Features
- Small dimensions
- Metallised bulb
- Indirectly heated
- Suitable for mains portable receivers
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Full Wave Rectifier | 300V | - | - | - | 60mA |
| Full Wave Rectifier | 350V | - | - | - | 60mA |
| Full Wave Rectifier | 300V | - | - | - | 90mA |
| Full Wave Rectifier | 350V | - | - | - | 90mA |
| Full Wave Rectifier | 300V | - | - | - | 120mA |
| Full Wave Rectifier | 350V | - | - | - | 120mA |
Application Notes
The bulb is of small dimensions and metallised. Suitable for mains portable receivers or where rectifier hum trouble is experienced due to cramped layout. D.C. output is not increased by changing from 8 to 16 uF, but hum ripple is reduced.
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