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

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Tube-number record

6AM8A

0 archive entries

BrandRCA
ClassTelevision Receiver Tube
BaseNoval (B9A)
Filament6.3 V @ 0.45 mA

Construction

Primary TypeMulti-section
EnvelopeMiniature
SectionsDouble

Filament / Heater

Absolute Maximum Ratings

Plate Voltage330 V
Plate Dissipation3.2 W
Grid 2 Voltage330 V

Audio Performance

Key Features
  • Sharp-cutoff pentode
  • High-perveance diode

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pentode Unit Class A1125 V7800300000—12.5 mA

Filters

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