Tube-number record
6677/6CL6
0 archive entries
6677/6CL6 is a tube type in the TubeDatabase archive (class: Beam Power Pentode). Recorded specifications: brand Sylvania, construction Pentode, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 8.5 W. The archive does not yet hold a photographed example of this type.
BrandSylvania
ClassBeam Power Pentode
BaseNoval (B9A)
Filament6.3 V @ 650 mA
Construction
Primary TypePentode
EnvelopeT-6 1/2
SectionsSingle
Filament / Heater
Heater NotesDesigned for mobile communications equipment; survives supply variations
Absolute Maximum Ratings
Plate Voltage330 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 250 V | 11000 | 150000 | — | 30 mA |
Application Notes
Type 6677/6CL6 is specifically designed for mobile operation and is electrically equivalent to Type 6CL6.
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