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Tube Database (7,341 tube types · 1,270 archive entries)

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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

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Cascode90 V12300—3615 mA

Application Notes

High slope cascode double triode. Uso max = 550V.

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