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1B40

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BrandSylvania
ClassGas Switching Tube
BaseSeparate Cavity

Construction

Primary TypeArgon filled gas switching tube
EnvelopeGlass
Sections1

Filament / Heater

Absolute Maximum Ratings

Plate Voltage250 V

Audio Performance

Key Features
  • Argon filled
  • Separate cavity type
  • Any mounting position

Application Notes

The 1B40 is an argon filled gas switching tube of the separate cavity type. Note: This tube is obsolete and manufacturing facilities are no longer available.

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