Tube-number record
ECC89
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BrandMullard
ClassDouble Triode
Filament6.3 V @ 0.34 mA
Construction
EnvelopeGlass
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage130 V
Plate Dissipation1.8 W
Grid 1 Voltage-50 V
Cathode Current22 mA
H-C Voltage180 V
Audio Performance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cascode | 90 V | 12300 | — | 36 | 15 mA |
Application Notes
High slope cascode double triode. Uso max = 550V.
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