Tube cross-reference
6BM5 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6BM5 power - pentode single (not beam) (under 10w). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6BM5
The following tubes are recorded as possible replacements for 6BM5. This direction does not establish that 6BM5 can replace them.
Power - Beam (NOT sweep)
The database records 6L31 as a possible replacement for6BM5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Beam (NOT sweep) |
| Construction | Pentode | BeamPower |
| Base | 7BZ | 7BZ |
| Socket | B9A | B7G |
| Base pins | 9 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Power - Pentode Single (NOT beam) (under 10W)
The database records 6P9 as a possible replacement for6BM5.
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 | 7BZ | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.78 A |
Power - Beam (NOT sweep)
The database records EL90 as a possible replacement for6BM5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Beam (NOT sweep) |
| Construction | Pentode | BeamPower |
| Base | 7BZ | Not recorded |
| Socket | B9A | B7G |
| Base pins | 9 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Power - Beam (NOT sweep)
The database records N727 as a possible replacement for6BM5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Beam (NOT sweep) |
| Construction | Pentode | BeamPower |
| Base | 7BZ | Not recorded |
| Socket | B9A | B7G |
| Base pins | 9 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Power - Beam (NOT sweep)
The database records 6AQ5 as a possible replacement for6BM5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Beam (NOT sweep) |
| Construction | Pentode | BeamPower |
| Base | 7BZ | 7BZ |
| Socket | B9A | B7G |
| Base pins | 9 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Power - TV Vertical Output
The database records 6AQ5A as a possible replacement for6BM5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - TV Vertical Output |
| Construction | Pentode | BeamPower |
| Base | 7BZ | 7BZ |
| Socket | B9A | B7G |
| Base pins | 9 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Power - Pentode Single (NOT beam) (under 10W)
The database records 6DL5 as a possible replacement for6BM5.
- 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 | 7BZ | Not recorded |
| Socket | B9A | B7G |
| Base pins | 9 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.2 A |
Power - Beam Single (NOT sweep) (under 10W)
The database records 6DS5 as a possible replacement for6BM5.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Beam Single (NOT sweep) (under 10W) |
| Construction | Pentode | BeamPower |
| Base | 7BZ | 7BZ |
| Socket | B9A | B7G |
| Base pins | 9 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.8 A |
Where 6BM5 can be used as the replacement
In these recorded relationships, 6BM5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6BM5.
Power - Pentode Single (NOT beam) (under 10W)
The database records 6BM5 as a possible replacement for6P9.
No special restrictions are recorded for this substitution.
| Specification | 6BM5 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Pentode Single (NOT beam) (under 10W) |
| Construction | Pentode | Pentode |
| Base | 7BZ | Not recorded |
| Socket | B9A | B9A |
| Base pins | 9 | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.78 A |
Power - Beam (NOT sweep)
The database records 6BM5 as a possible replacement for6AQ5.
No special restrictions are recorded for this substitution.
| Specification | 6BM5 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Beam (NOT sweep) |
| Construction | Pentode | BeamPower |
| Base | 7BZ | 7BZ |
| Socket | B9A | B7G |
| Base pins | 9 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Power - TV Vertical Output
The database records 6BM5 as a possible replacement for6AQ5A.
- Parallel heater circuits only
- No-warmup series circuits only
| Specification | 6BM5 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - TV Vertical Output |
| Construction | Pentode | BeamPower |
| Base | 7BZ | 7BZ |
| Socket | B9A | B7G |
| Base pins | 9 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Power - Pentode Single (NOT beam) (under 10W)
The database records 6BM5 as a possible replacement for6DL5.
- Parallel heater circuits only
| Specification | 6BM5 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Pentode Single (NOT beam) (under 10W) |
| Construction | Pentode | Pentode |
| Base | 7BZ | Not recorded |
| Socket | B9A | B7G |
| Base pins | 9 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.2 A |
Power - Beam Single (NOT sweep) (under 10W)
The database records 6BM5 as a possible replacement for6DS5.
- Parallel heater circuits only
| Specification | 6BM5 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode Single (NOT beam) (under 10W) | Power - Beam Single (NOT sweep) (under 10W) |
| Construction | Pentode | BeamPower |
| Base | 7BZ | 7BZ |
| Socket | B9A | B7G |
| Base pins | 9 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.8 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 6BM5 specifications →