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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

12SL7GT

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BrandTUNG-SOL
ClassTWIN-TRIODE AMPLIFIER
BaseOctal
Filament12.6 V @ 150 mA

Construction

Primary TypeDual triode
EnvelopeT-9
Sections2

Filament / Heater

MaterialUnipotential Cathode

Absolute Maximum Ratings

Plate Voltage250 V
Plate Dissipation1 W

Audio Performance

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
CLASS A, AMPLIFIER250 V160044000702.3 mA

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