Tube cross-reference

6J5 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6J5 voltage - triode (single). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 6J5

The following tubes are recorded as possible replacements for 6J5. This direction does not establish that 6J5 can replace them.

L63

Voltage - Triode (single)

Foreign To American

The database records L63 as a possible replacement for6J5.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage - Triode (single)	Voltage - Triode (single)
Construction	Triode	Triode
Base	6O	Not recorded
Socket	IO	IO
Base pins	8	8
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6J5WGT

Voltage - Triode (single)

Receiving To Industrial Tubes

The database records 6J5WGT as a possible replacement for6J5.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage - Triode (single)	Voltage - Triode (single)
Construction	Triode	Triode
Base	6O	6O
Socket	IO	IO
Base pins	8	8
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6C5

Voltage - Triode (single)

Receiving Tubes

The database records 6C5 as a possible replacement for6J5.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage - Triode (single)	Voltage - Triode (single)
Construction	Triode	Triode
Base	6O	6O
Socket	IO	IO
Base pins	8	8
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6C5G

Voltage - Triode (single)

Receiving Tubes

The database records 6C5G as a possible replacement for6J5.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage - Triode (single)	Voltage - Triode (single)
Construction	Triode	Triode
Base	6O	Not recorded
Socket	IO	IO
Base pins	8	8
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6C5GT

Voltage - Triode (single)

Receiving Tubes

The database records 6C5GT as a possible replacement for6J5.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage - Triode (single)	Voltage - Triode (single)
Construction	Triode	Triode
Base	6O	6O
Socket	IO	IO
Base pins	8	8
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6J5G

Voltage - Triode (single)

Receiving Tubes

The database records 6J5G as a possible replacement for6J5.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage - Triode (single)	Voltage - Triode (single)
Construction	Triode	Triode
Base	6O	Not recorded
Socket	IO	IO
Base pins	8	8
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6J5GT

Voltage - Triode (single)

Receiving Tubes

The database records 6J5GT as a possible replacement for6J5.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage - Triode (single)	Voltage - Triode (single)
Construction	Triode	Triode
Base	6O	6O
Socket	IO	IO
Base pins	8	8
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6L5G

Voltage - Triode (single)

Receiving Tubes

The database records 6L5G as a possible replacement for6J5.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage - Triode (single)	Voltage - Triode (single)
Construction	Triode	Triode
Base	6O	6Q
Socket	IO	IO
Base pins	8	8
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.15 A

Where 6J5 can be used as the replacement

In these recorded relationships, 6J5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6J5.

L63

Voltage - Triode (single)

American To Foreign

The database records 6J5 as a possible replacement forL63.

No special restrictions are recorded for this substitution.

Specification	6J5 replacement	Original tube
Tube type	Voltage - Triode (single)	Voltage - Triode (single)
Construction	Triode	Triode
Base	6O	Not recorded
Socket	IO	IO
Base pins	8	8
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6C5

Voltage - Triode (single)

Receiving Tubes

The database records 6J5 as a possible replacement for6C5.

No special restrictions are recorded for this substitution.

Specification	6J5 replacement	Original tube
Tube type	Voltage - Triode (single)	Voltage - Triode (single)
Construction	Triode	Triode
Base	6O	6O
Socket	IO	IO
Base pins	8	8
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6C5G

Voltage - Triode (single)

Receiving Tubes

The database records 6J5 as a possible replacement for6C5G.

No special restrictions are recorded for this substitution.

Specification	6J5 replacement	Original tube
Tube type	Voltage - Triode (single)	Voltage - Triode (single)
Construction	Triode	Triode
Base	6O	Not recorded
Socket	IO	IO
Base pins	8	8
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6C5GT

Voltage - Triode (single)

Receiving Tubes

The database records 6J5 as a possible replacement for6C5GT.

No special restrictions are recorded for this substitution.

Specification	6J5 replacement	Original tube
Tube type	Voltage - Triode (single)	Voltage - Triode (single)
Construction	Triode	Triode
Base	6O	6O
Socket	IO	IO
Base pins	8	8
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6J5G

Voltage - Triode (single)

Receiving Tubes

The database records 6J5 as a possible replacement for6J5G.

No special restrictions are recorded for this substitution.

Specification	6J5 replacement	Original tube
Tube type	Voltage - Triode (single)	Voltage - Triode (single)
Construction	Triode	Triode
Base	6O	Not recorded
Socket	IO	IO
Base pins	8	8
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6J5GT

Voltage - Triode (single)

Receiving Tubes

The database records 6J5 as a possible replacement for6J5GT.

No special restrictions are recorded for this substitution.

Specification	6J5 replacement	Original tube
Tube type	Voltage - Triode (single)	Voltage - Triode (single)
Construction	Triode	Triode
Base	6O	6O
Socket	IO	IO
Base pins	8	8
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6L5G

Voltage - Triode (single)

Receiving Tubes

The database records 6J5 as a possible replacement for6L5G.

No special restrictions are recorded for this substitution.

Specification	6J5 replacement	Original tube
Tube type	Voltage - Triode (single)	Voltage - Triode (single)
Construction	Triode	Triode
Base	6O	6Q
Socket	IO	IO
Base pins	8	8
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.15 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 6J5 specifications →