Tube-number record
6DY7
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BrandSylvania
ClassDual Beam Power Pentode
BaseOctal
Filament6.3 V @ 1200 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeT-12
SectionsDual
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage400 V
Plate Dissipation15 W
Grid 2 Voltage300 V
H-C Voltage200 V
Audio Performance
Typical THD2%
Power Output20 W
Key Features
- Framelok construction
- Dual Beam Power Pentode for stereophonic sound systems
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics (Per Section) | 250 V | 6000 | 28000 | — | 50 mA |
| Class AB1 Amplifier (Two Sections Push-Pull) - Condition 1 | 250 V | — | — | — | — |
| Class AB1 Amplifier (Two Sections Push-Pull) - Condition 2 | 400 V | — |
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