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HL.41

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BrandMazda
ClassTriode
BaseBritish Octal
Filament4V @ 0.65mA

Construction

Primary Typetriode
Envelopemetallised
Sectionssingle

Filament / Heater

Heater NotesA.C. Mains operation

Absolute Maximum Ratings

Plate Voltage250 V

Audio Performance

Typical THD2.5%
Key Features
  • Indirectly heated
  • Small dimensions
  • Metallised bulb
  • High mu triode

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Static Characteristics100V35001030036-
R.C.C. Amplifier250V--272.2mA
R.C.C. Amplifier with Decoupling250V--271.9mA

Application Notes

The HL.41 may be used as an L.F. amplifier with either R.C. or transformer coupling, or as an oscillator where a high mu triode is required.

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