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4A21

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BrandGeneral Electric Co.
ClassBallast Tube
BaseM8-055

Construction

Primary TypeBallast
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialIron Wire

Absolute Maximum Ratings

Cathode Current1700 mA

Audio Performance

Key Features
  • Current regulation ±2%
  • Iron wire element
  • Mounting position Any

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