Tube cross-reference
6AM5 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6AM5 power - pentode single (not beam) (under 10w). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 6AM5
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.
EL91 Voltage Pentode
- Base
- Not recorded
- Socket
- B7G
- Base pins
- 7
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.2 A
Replacement tubes for 6AM5
The following tubes are recorded as possible replacements for 6AM5. This direction does not establish that 6AM5 can replace them.
Power - Pentode Single (NOT beam) (under 10W)
The database records 6P17 as a possible replacement for6AM5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Pentode Single (NOT beam) (under 10W) |
| Construction | Pentode | Pentode |
| Base | 6CH | B7G |
| Socket | B7G | B7G |
| Base pins | 6 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.2 A |
Voltage Pentode
The database records EL91 as a possible replacement for6AM5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Voltage Pentode |
| Construction | Pentode | Pentode |
| Base | 6CH | Not recorded |
| Socket | B7G | B7G |
| Base pins | 6 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.2 A |
Power - Pentode Single (NOT beam) (under 10W)
The database records M8082 as a possible replacement for6AM5.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Pentode Single (NOT beam) (under 10W) |
| Construction | Pentode | Pentode |
| Base | 6CH | Not recorded |
| Socket | B7G | Not recorded |
| Base pins | 6 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.2 A |
Voltage Pentode - High Frequency (single)
The database records 6516 as a possible replacement for6AM5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Voltage Pentode - High Frequency (single) |
| Construction | Pentode | Pentode |
| Base | 6CH | Not recorded |
| Socket | B7G | B7G |
| Base pins | 6 | Not recorded |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.2 A |
Where 6AM5 can be used as the replacement
In these recorded relationships, 6AM5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6AM5.
Power - Pentode Single (NOT beam) (under 10W)
The database records 6AM5 as a possible replacement for6P17.
No special restrictions are recorded for this substitution.
| Specification | 6AM5 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Pentode Single (NOT beam) (under 10W) |
| Construction | Pentode | Pentode |
| Base | 6CH | B7G |
| Socket | B7G | B7G |
| Base pins | 6 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.2 A |
Voltage Pentode
The database records 6AM5 as a possible replacement forEL91.
No special restrictions are recorded for this substitution.
| Specification | 6AM5 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Voltage Pentode |
| Construction | Pentode | Pentode |
| Base | 6CH | Not recorded |
| Socket | B7G | B7G |
| Base pins | 6 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.2 A |
Power - Pentode Single (NOT beam) (under 10W)
The database records 6AM5 as a possible replacement forN78.
No special restrictions are recorded for this substitution.
| Specification | 6AM5 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Pentode Single (NOT beam) (under 10W) |
| Construction | Pentode | Pentode |
| Base | 6CH | Not recorded |
| Socket | B7G | B7G |
| Base pins | 6 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.2 A | 0.64 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 6AM5 specifications →