Tube-number record
11HM7
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BrandRCA
ClassSharp-Cutoff Pentode
BaseNoval (B9A)
Filament11 V @ 300 mA
Construction
Primary TypePentode
EnvelopeT6-1/2
Sections1
Filament / Heater
Heater NotesSeries and Parallel operation possible
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation7 W
H-C Voltage200 V
Audio Performance
Key Features
- Frame-grid construction
- Sharp-Cutoff
- Video-Output Amplifier Service
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 200 V | 30000 | 40000 | — | 30 mA |
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