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R.F. VARIABLE MU PENTODE

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BrandBRIMAR
ClassRF Pentode
Base5-pin
Filament4V @ 1000mA

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater Notes4.0 volts +/- 5%

Absolute Maximum Ratings

Plate Voltage250 V
Grid 2 Voltage100 V
Grid 1 Voltage-40 V

Audio Performance

Key Features
  • Indirectly heated
  • Variable mu characteristic
  • High mutual conductance
  • Low anode grid leakage capacity

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Minimum Bias200V4250---
Cut-off / High Bias200V100---

Application Notes

Particularly suitable for use in receivers employing automatic volume control (AVC). Eliminates cross modulation and modulation distortion.

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