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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

DA1

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BrandMullard
ClassMedium impedance triode

Construction

Primary TypeTriode
Sections1

Filament / Heater

Absolute Maximum Ratings

Plate Voltage100 V

Audio Performance

Key Features
  • Medium impedance
  • Low frequency amplifier
  • Compact design for deaf aids

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Operation 120 V200150000300.1 mA
Operation 240 V40080000320.25 mA

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