Tube cross-reference
6HA5 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6HA5 voltage - triode (single high frequency). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 6HA5
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.
6HM5 Voltage - Triode (single high frequency)
- Base
- 7GM
- Socket
- B7G
- Base pins
- 7
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.18 A
Replacement tubes for 6HA5
The following tubes are recorded as possible replacements for 6HA5. This direction does not establish that 6HA5 can replace them.
Voltage - Triode (single high frequency)
The database records EC900 as a possible replacement for6HA5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Triode (single high frequency) | Voltage - Triode (single high frequency) |
| Construction | Triode | Triode |
| Base | 7GM | Not recorded |
| Socket | B7G | B9A |
| Base pins | 7 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.18 A | 0.18 A |
Voltage - Triode (single high frequency)
The database records 6HK5 as a possible replacement for6HA5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Triode (single high frequency) | Voltage - Triode (single high frequency) |
| Construction | Triode | Triode |
| Base | 7GM | 7GM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.18 A | 0.19 A |
Voltage - Triode (single high frequency)
The database records 6HM5 as a possible replacement for6HA5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Triode (single high frequency) | Voltage - Triode (single high frequency) |
| Construction | Triode | Triode |
| Base | 7GM | 7GM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.18 A | 0.18 A |
Voltage - Triode (single high frequency)
The database records 6HQ5 as a possible replacement for6HA5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Triode (single high frequency) | Voltage - Triode (single high frequency) |
| Construction | Triode | Triode |
| Base | 7GM | 7GM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.18 A | 0.2 A |
Where 6HA5 can be used as the replacement
In these recorded relationships, 6HA5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6HA5.
Voltage - Triode (single high frequency)
The database records 6HA5 as a possible replacement forEC900.
No special restrictions are recorded for this substitution.
| Specification | 6HA5 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (single high frequency) | Voltage - Triode (single high frequency) |
| Construction | Triode | Triode |
| Base | 7GM | Not recorded |
| Socket | B7G | B9A |
| Base pins | 7 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.18 A | 0.18 A |
Voltage - Triode (single high frequency)
The database records 6HA5 as a possible replacement for6HK5.
No special restrictions are recorded for this substitution.
| Specification | 6HA5 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (single high frequency) | Voltage - Triode (single high frequency) |
| Construction | Triode | Triode |
| Base | 7GM | 7GM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.18 A | 0.19 A |
Voltage - Triode (single high frequency)
The database records 6HA5 as a possible replacement for6HM5.
No special restrictions are recorded for this substitution.
| Specification | 6HA5 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (single high frequency) | Voltage - Triode (single high frequency) |
| Construction | Triode | Triode |
| Base | 7GM | 7GM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.18 A | 0.18 A |
Voltage - Triode (single high frequency)
The database records 6HA5 as a possible replacement for6HQ5.
No special restrictions are recorded for this substitution.
| Specification | 6HA5 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (single high frequency) | Voltage - Triode (single high frequency) |
| Construction | Triode | Triode |
| Base | 7GM | 7GM |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.18 A | 0.2 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 6HA5 specifications →