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

BTW 15-3

0 archive entries

BrandBrown Boveri
ClassTransmitting Triode

Construction

Primary TypeTriode
Envelopeglass/metal
Sections1

Filament / Heater

Materialthoriated tungsten

Absolute Maximum Ratings

Plate Voltage12000 V
Plate Dissipation22000 W
Grid 1 Voltage-1200 V
Cathode Current7000 mA

Audio Performance

Key Features
  • Water-cooled anode
  • Directly heated filament
  • Thoriated tungsten cathode

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class C HF RF Amplifier Unmodulated (Grounded Cathode)12000 V40000—356700 mA
Class B AF Power Amplifier and Modulator (per tube)12000 V——351200 mA
Class C Anode-Modulated RF Power Amplifier (Carrier)10000 V——

Application Notes

Applications include Broadcast RF and AF and industrial heating. Tube mounting position: vertical, anode downwards.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    35
    5800 mA