TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
DisclaimerA–Z indexSubmit a tube
EDD 11 vacuum tube outline illustration

Tube-number record

EDD 11

0 archive entries

EDD 11 is a tube type in the TubeDatabase archive (class: Double Power Triode). Recorded specifications: brand Telefunken, year 1938, construction Triode, socket Side-contact (P-base), maximum plate voltage 250 V, and maximum plate dissipation 3 W. The archive does not yet hold a photographed example of this type.

BrandTelefunken
ClassDouble Power Triode
BaseSide-contact (P-base)
Filament6.3 V @ 400 mA

Construction

Primary TypeTriode
EnvelopeGlass
SectionsDouble

Filament / Heater

Heater NotesIndirectly heated

Absolute Maximum Ratings

Plate Voltage250 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class B200 V—12000—35 mA
Class B250 V—16000—35 mA

Application Notes

Specifically designed for Class B amplification using EBC 11 as driver.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Plate Dissipation3 W
    Cathode Current50 mA
    H-C Voltage50 V

    Audio Performance

    Typical THD10%
    Power Output5.5 W
    Key Features
    • Doppelendtriode für B-Verstärkung