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Tube Tinker — Electron Tube Database

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EBF89 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the EBF89 voltage radio detector converter. Compare core specifications and verify every restriction before using a replacement.

Exact variations of EBF89

These designations belong to the same electrical variation group. Their names may differ because of international standards, manufacturing tolerances, or materials, but they are recorded as electrically equivalent—not merely substitutes.

  • 6AD8

    Voltage Radio Detector Converter

    Base
    9T
    Socket
    B9A
    Base pins
    Not recorded
    Sections
    3
    Heater voltage
    6.3 V
    Heater current
    0.3 A
  • 6DC8

    Voltage Radio Detector Converter

    Base
    Not recorded
    Socket
    B9A
    Base pins
    9
    Sections
    3
    Heater voltage
    6.3 V
    Heater current
    0.3 A

Replacement tubes for EBF89

The following tubes are recorded as possible replacements for EBF89. This direction does not establish that EBF89 can replace them.

6DC8

Voltage Radio Detector Converter

American To Foreign

The database records 6DC8 as a possible replacement forEBF89.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Radio Detector ConverterVoltage Radio Detector Converter
ConstructionDiode-Diode-PentodeDiode-Diode-Pentode
BaseNOVALNot recorded
SocketB9AB9A
Base pins99
Sections33
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A

Where EBF89 can be used as the replacement

In these recorded relationships, EBF89 is the replacement tube. The listed original tubes are not automatically suitable as replacements for EBF89.

6AD8

Voltage Radio Detector Converter

Foreign To American

The database records EBF89 as a possible replacement for6AD8.

No special restrictions are recorded for this substitution.

SpecificationEBF89 replacementOriginal tube
Tube typeVoltage Radio Detector ConverterVoltage Radio Detector Converter
ConstructionDiode-Diode-PentodeDiode-Diode-Pentode
BaseNOVAL9T
SocketB9AB9A
Base pins9Not recorded
Sections33
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6DC8

Voltage Radio Detector Converter

Foreign To American

The database records EBF89 as a possible replacement for6DC8.

No special restrictions are recorded for this substitution.

SpecificationEBF89 replacementOriginal tube
Tube typeVoltage Radio Detector ConverterVoltage Radio Detector Converter
ConstructionDiode-Diode-PentodeDiode-Diode-Pentode
BaseNOVALNot recorded
SocketB9AB9A
Base pins99
Sections33
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A

Verify before substituting

Matching a base or heater voltage is not enough to prove that two tubes are interchangeable. Check pin connections, heater current, maximum ratings, bias requirements, warm-up behavior, and the equipment manufacturer’s service documentation before making a substitution.

View the complete EBF89 specifications →