Skip to main content

Tube cross-reference

EF734 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the EF734 voltage pentode - high frequency (single). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for EF734

The following tubes are recorded as possible replacements for EF734. This direction does not establish that EF734 can replace them.

6205

Voltage Pentode - Sharp Cutoff (single)

American To Foreign

The database records 6205 as a possible replacement forEF734.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - High Frequency (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseB8D/F8DC
SocketWIRE8IO
Base pins88
Sections11
Heater voltage6.3 V6.3 V
Heater current0.15 A0.15 A

Where EF734 can be used as the replacement

In these recorded relationships, EF734 is the replacement tube. The listed original tubes are not automatically suitable as replacements for EF734.

6205

Voltage Pentode - Sharp Cutoff (single)

Foreign To American

The database records EF734 as a possible replacement for6205.

No special restrictions are recorded for this substitution.

SpecificationEF734 replacementOriginal tube
Tube typeVoltage Pentode - High Frequency (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseB8D/F8DC
SocketWIRE8IO
Base pins88
Sections11
Heater voltage6.3 V6.3 V
Heater current0.15 A0.15 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 EF734 specifications →