ECC88
1 Tube in archive
BrandPHILIPS
ClassDouble Triode
BaseNOVAL
Filament6.3V @ 365mA
Construction
Primary TypeDouble Triode
EnvelopeGlass
SectionsTwo
Filament / Heater
Heater NotesIndirect heating by AC or DC; parallel supply
Absolute Maximum Ratings
Plate Voltage130 V
Plate Dissipation1.8 W
Grid 1 Voltage-50 V
Cathode Current25 mA
H-C Voltage150 V
Audio Performance
Key Features
- High slope
- Low noise
- Cascode amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each section | 90V | 12500 | - | 33 | 15mA |
Application Notes
Designed for use as a cascode amplifier in television tuners. Not for storage battery supply. The section a,g,k should be used as the grounded cathode input and system a',g',k' as the grounded grid output section.
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