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Tube cross-reference

6SK7GT alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6SK7GT voltage pentode - remote cutoff (single). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 6SK7GT

The following tubes are recorded as possible replacements for 6SK7GT. This direction does not establish that 6SK7GT can replace them.

6SG7

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 6SG7 as a possible replacement for6SK7GT.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
Base8NRTMA 8BK
SocketIOIO
Base pins88
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6SH7

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6SH7 as a possible replacement for6SK7GT.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
Base8NRMA 8BK
SocketIOIO
Base pins88
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6SK7

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 6SK7 as a possible replacement for6SK7GT.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
Base8NRTMA 8N
SocketIOIO
Base pins88
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6SS7

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 6SS7 as a possible replacement for6SK7GT.

  • Parallel heater circuits only
SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
Base8N8N
SocketIOIO
Base pins88
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.15 A
6SS7GT

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 6SS7GT as a possible replacement for6SK7GT.

  • Parallel heater circuits only
SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
Base8NNot recorded
SocketIOIO
Base pins88
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.15 A

Where 6SK7GT can be used as the replacement

In these recorded relationships, 6SK7GT is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6SK7GT.

6SK7

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 6SK7GT as a possible replacement for6SK7.

No special restrictions are recorded for this substitution.

Specification6SK7GT replacementOriginal tube
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
Base8NRTMA 8N
SocketIOIO
Base pins88
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6SS7

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 6SK7GT as a possible replacement for6SS7.

  • Parallel heater circuits only
Specification6SK7GT replacementOriginal tube
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
Base8N8N
SocketIOIO
Base pins88
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.15 A
6SS7GT

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 6SK7GT as a possible replacement for6SS7GT.

  • Parallel heater circuits only
Specification6SK7GT replacementOriginal tube
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
Base8NNot recorded
SocketIOIO
Base pins88
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 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 6SK7GT specifications →