TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

Tube Database (1,270 tubes)

Other (7066), Pre (189), Power (67), Rectifier (19)
DisclaimerSubmit a tube

8877/3CX1500A7

0 Tubes in archive

BrandEIMAC
ClassPower Triode
BaseSpecial 7-pin
Filament5V @ 10.5mA

Construction

Primary TypeTriode
EnvelopeCeramic/Metal
Base MaterialMetal/Ceramic
Sections1

Filament / Heater

MaterialOxide Coated
Warm-up Time90s
Heater NotesUnipotential cathode

Absolute Maximum Ratings

Plate Voltage4000 V
Plate Dissipation1500 W
Cathode Current1000 mA

Audio Performance

Power Output2075 W
Key Features
  • Rugged ceramic/metal construction
  • High-mu power triode
  • Cathode driven
  • Low intermodulation characteristics
  • UHF band capable

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
RF Linear Amplifier Class AB2 Cathode Driven2700V55000-200740mA
RF Linear Amplifier Class AB2 Cathode Driven (High Voltage)3500V55000-2001000mA
Class AB2 Cathode Driven 220 MHz2500V---1000mA
Class B Cathode Driven 88-108 MHz4000V---1000mA

Application Notes

Designed for use as a cathode driven Class AB2 or Class B amplifier in audio or RF applications, or as a cathode driven plate modulated Class C RF amplifier.

Filters

0 tubes found

Manufacturers

Brands

    Showing 1 to 0 of 0 results