6HL8
0 Tubes in archive
BrandSylvania
ClassTriode-Pentode
Base9-Pin Miniature (E9-1)
Filament6.3V @ 600mA
Construction
Primary TypeMedium mu triode and high Gm pentode
EnvelopeT-6 1/2
Sections2
Filament / Heater
Heater NotesHeater warm-up time 11 seconds
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation2.5 W
Grid 2 Voltage330 V
H-C Voltage200 V
Audio Performance
Key Features
- Medium mu triode
- High Gm pentode
- Coated Unipotential Cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 125V | 7000 | 5000 | 40 | 12.5mA |
| Pentode Section | 125V | 10000 | 150000 | - | 12mA |
Application Notes
The triode is designed for sync separator, voltage amplifier or general purpose use. The pentode can be used as a video IF amp., AGC amp. and reactance tube.
Datasheet Viewer
Loading datasheet...
Sort by
Showing 1 to 0 of 0 results