Tube-number record

6H3I1

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ClassDouble Triode

BaseNoval (B9A)

Filament6.3 V @ 350 mA

Construction

Primary Type

Triode

EnvelopeGlass

Sections2

Heater NotesIndirectly heated oxide-coated cathode

Plate Voltage300 V

Plate Dissipation1.5 W

Cathode Current18 mA

H-C Voltage100 V

Key Features

Mode	Plate V	Gm (µmhos)	Rp (Ω)	µ	Plate mA
Each triode	150 V	6000	14000	36	8.75 mA

Designed for voltage amplification and generation of low-frequency oscillations.

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