TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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)
DisclaimerSubmit a tube

Tube-number record

2A5

0 archive entries

BrandRCA
ClassPower Amplifier Pentode
Base6-pin
Filament2.5 V @ 1750 mA

Construction

Primary TypePentode
EnvelopeST-14

Filament / Heater

Heater NotesHeater-cathode type

Absolute Maximum Ratings

Audio Performance

Key Features
  • Heater-cathode type
  • Large power output
  • Uniformly low hum-level

Application Notes

The 2A5 is a heater-cathode type of power-amplifier pentode for use in the audio-output stage of ac receivers. It is capable of giving large power output with a relatively small input-signal voltage. Sufficient ventilation should be provided to prevent overheating. Refer to APPLICATION on type 6F6.

Datasheets

Datasheet: 2A5.pdf

Download PDF
Loading datasheet...

Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

Filters

0 tubes found

Manufacturers

Brands

    0 results