Tube cross-reference

6AG5 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6AG5 voltage pentode - sharp cutoff (single). Compare core specifications and verify every restriction before using a replacement.

Exact variations of 6AG5

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.

EF96
NEW (being researched)
Base
Not recorded
Socket
Not recorded
Base pins
Not recorded
Sections
1
Heater voltage
Not recorded
Heater current
Not recorded

Replacement tubes for 6AG5

The following tubes are recorded as possible replacements for 6AG5. This direction does not establish that 6AG5 can replace them.

6186

Voltage Pentode - Sharp Cutoff (single)

Receiving To Industrial Tubes

The database records 6186 as a possible replacement for6AG5.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	Not recorded
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6AG5WA

Voltage Pentode - Sharp Cutoff (single)

Receiving To Industrial Tubes

The database records 6AG5WA as a possible replacement for6AG5.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	Not recorded
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6AK5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6AK5 as a possible replacement for6AG5.

Parallel heater circuits only

Specification	Original tube	Replacement
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7BD
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.175 A

6AU6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6AU6 as a possible replacement for6AG5.

Not suitable for all circuits

Specification	Original tube	Replacement
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7BK
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6AU6A

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6AU6A as a possible replacement for6AG5.

Not suitable for all circuits

Specification	Original tube	Replacement
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7BK
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6BC5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6BC5 as a possible replacement for6AG5.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7BC
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.6 A

6CB6

Voltage Pentode

Receiving Tubes

The database records 6CB6 as a possible replacement for6AG5.

Not suitable for all circuits

Specification	Original tube	Replacement
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode
Construction	Pentode	Pentode
Base	E7-1	7CM
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6CB6A

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6CB6A as a possible replacement for6AG5.

Not suitable for all circuits

Specification	Original tube	Replacement
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7CM
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6CE5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6CE5 as a possible replacement for6AG5.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7BD
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6CF6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6CF6 as a possible replacement for6AG5.

Not suitable for all circuits

Specification	Original tube	Replacement
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7CM
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6CY5

Voltage Tetrode

Receiving Tubes

The database records 6CY5 as a possible replacement for6AG5.

Parallel heater circuits only
Not suitable for all circuits

Specification	Original tube	Replacement
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Tetrode
Construction	Pentode	Tetrode
Base	E7-1	7EW
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.2 A

6DC6

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 6DC6 as a possible replacement for6AG5.

Not suitable for all circuits

Specification	Original tube	Replacement
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Remote Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7CM
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6DE6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6DE6 as a possible replacement for6AG5.

Not suitable for all circuits

Specification	Original tube	Replacement
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7CM
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6EA5

Voltage Tetrode

Receiving Tubes

The database records 6EA5 as a possible replacement for6AG5.

Parallel heater circuits only
Not suitable for all circuits

Specification	Original tube	Replacement
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Tetrode
Construction	Pentode	Tetrode
Base	E7-1	7EW
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.2 A

6EV5

Voltage Tetrode

Receiving Tubes

The database records 6EV5 as a possible replacement for6AG5.

Parallel heater circuits only
Not suitable for all circuits

Specification	Original tube	Replacement
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Tetrode
Construction	Pentode	Tetrode
Base	E7-1	E7-1
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.6 A

Where 6AG5 can be used as the replacement

In these recorded relationships, 6AG5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6AG5.

6AK5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6AG5 as a possible replacement for6AK5.

Parallel heater circuits only

Specification	6AG5 replacement	Original tube
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7BD
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.175 A

6AQ5A

Power - TV Vertical Output

Receiving Tubes

The database records 6AG5 as a possible replacement for6AQ5A.

Parallel heater circuits only
No-warmup series circuits only

Specification	6AG5 replacement	Original tube
Tube type	Voltage Pentode - Sharp Cutoff (single)	Power - TV Vertical Output
Construction	Pentode	BeamPower
Base	E7-1	7BZ
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.45 A

6AU6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6AG5 as a possible replacement for6AU6.

Not suitable for all circuits

Specification	6AG5 replacement	Original tube
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7BK
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6BC5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6AG5 as a possible replacement for6BC5.

No special restrictions are recorded for this substitution.

Specification	6AG5 replacement	Original tube
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7BC
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.6 A

6CB6

Voltage Pentode

Receiving Tubes

The database records 6AG5 as a possible replacement for6CB6.

Not suitable for all circuits

Specification	6AG5 replacement	Original tube
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode
Construction	Pentode	Pentode
Base	E7-1	7CM
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6CE5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6AG5 as a possible replacement for6CE5.

Parallel heater circuits only
No-warmup series circuits only

Specification	6AG5 replacement	Original tube
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7BD
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6CF6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6AG5 as a possible replacement for6CF6.

Not suitable for all circuits

Specification	6AG5 replacement	Original tube
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7CM
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6CY5

Voltage Tetrode

Receiving Tubes

The database records 6AG5 as a possible replacement for6CY5.

Parallel heater circuits only
Not suitable for all circuits

Specification	6AG5 replacement	Original tube
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Tetrode
Construction	Pentode	Tetrode
Base	E7-1	7EW
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.2 A

6DC6

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 6AG5 as a possible replacement for6DC6.

Not suitable for all circuits

Specification	6AG5 replacement	Original tube
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Remote Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7CM
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6DE6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6AG5 as a possible replacement for6DE6.

Not suitable for all circuits

Specification	6AG5 replacement	Original tube
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Pentode - Sharp Cutoff (single)
Construction	Pentode	Pentode
Base	E7-1	7CM
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.3 A

6EA5

Voltage Tetrode

Receiving Tubes

The database records 6AG5 as a possible replacement for6EA5.

Parallel heater circuits only
Not suitable for all circuits

Specification	6AG5 replacement	Original tube
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Tetrode
Construction	Pentode	Tetrode
Base	E7-1	7EW
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.2 A

6EV5

Voltage Tetrode

Receiving Tubes

The database records 6AG5 as a possible replacement for6EV5.

Parallel heater circuits only
Not suitable for all circuits

Specification	6AG5 replacement	Original tube
Tube type	Voltage Pentode - Sharp Cutoff (single)	Voltage Tetrode
Construction	Pentode	Tetrode
Base	E7-1	E7-1
Socket	B7G	B7G
Base pins	7	7
Sections	1	1
Heater voltage	6.3 V	6.3 V
Heater current	0.3 A	0.6 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 6AG5 specifications →