ECH35
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BrandPHILIPS
ClassTRIODE-HEXODE
BaseOctal
Filament6.3V @ 0.24mA
Construction
Primary TypeTriode-Hexode
EnvelopeGlass
Sections2
Filament / Heater
Heater Notesindirect by A.C. or D.C.; series or parallel supply
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation1.2 W
Grid 2 Voltage125 V
Grid 1 Voltage-1.3 V
Cathode Current15 mA
H-C Voltage100 V
Audio Performance
Key Features
- Indirectly heated
- Frequency changer
- Series or parallel supply
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| triode section oscillator | 100V | - | - | - | 3.3mA |
| triode section oscillator | 150V | - | - | - | 8mA |
| triode section oscillator | 250V | - | - | - | 3.3mA |
| hexode section mixer | 100V | 450 | 1300000 | - | 1mA |
| hexode section mixer | 200V | 650 | 900000 |
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