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Tube cross-reference

12CS6 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 12CS6 heptode. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 12CS6

The following tubes are recorded as possible replacements for 12CS6. This direction does not establish that 12CS6 can replace them.

12H31

Voltage Radio Detector Converter

Foreign To American

The database records 12H31 as a possible replacement for12CS6.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeHeptodeVoltage Radio Detector Converter
ConstructionHeptodeHeptode
BaseNot recordedNot recorded
SocketB7GB7G
Base pins77
Sections11
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 A
HK90

Voltage Radio Detector Converter

Foreign To American

The database records HK90 as a possible replacement for12CS6.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeHeptodeVoltage Radio Detector Converter
ConstructionHeptodeHeptode
BaseNot recordedNot recorded
SocketB7GB7G
Base pins77
Sections11
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 A
12BE6

Voltage Radio Detector Converter

Receiving Tubes

The database records 12BE6 as a possible replacement for12CS6.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeHeptodeVoltage Radio Detector Converter
ConstructionHeptodeHeptode
BaseNot recorded7CH
SocketB7GB7G
Base pins77
Sections11
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 A

Where 12CS6 can be used as the replacement

In these recorded relationships, 12CS6 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 12CS6.

12BE6

Voltage Radio Detector Converter

Receiving Tubes

The database records 12CS6 as a possible replacement for12BE6.

No special restrictions are recorded for this substitution.

Specification12CS6 replacementOriginal tube
Tube typeHeptodeVoltage Radio Detector Converter
ConstructionHeptodeHeptode
BaseNot recorded7CH
SocketB7GB7G
Base pins77
Sections11
Heater voltage12.6 V12.6 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 12CS6 specifications →