Tube cross-reference
1299 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 1299 power - beam single (not sweep) (under 10w). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 1299
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.
3D6 Power - Beam Single (NOT sweep) (under 10W)
- Base
- 6BA
- Socket
- B8G
- Base pins
- 8
- Sections
- 1
- Heater voltage
- 2.8 V
- Heater current
- 0.11 A
Replacement tubes for 1299
The following tubes are recorded as possible replacements for 1299. This direction does not establish that 1299 can replace them.
Power - Beam Single (NOT sweep) (under 10W)
The database records 3D6 as a possible replacement for1299.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Beam Single (NOT sweep) (under 10W) | Power - Beam Single (NOT sweep) (under 10W) |
| Construction | BeamPower | BeamPower |
| Base | Not recorded | 6BA |
| Socket | Not recorded | B8G |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 2.8 V | 2.8 V |
| Heater current | 0.11 A | 0.11 A |
Where 1299 can be used as the replacement
In these recorded relationships, 1299 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 1299.
Power - Beam Single (NOT sweep) (under 10W)
The database records 1299 as a possible replacement for3D6.
No special restrictions are recorded for this substitution.
| Specification | 1299 replacement | Original tube |
|---|---|---|
| Tube type | Power - Beam Single (NOT sweep) (under 10W) | Power - Beam Single (NOT sweep) (under 10W) |
| Construction | BeamPower | BeamPower |
| Base | Not recorded | 6BA |
| Socket | Not recorded | B8G |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 2.8 V | 2.8 V |
| Heater current | 0.11 A | 0.11 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 1299 specifications →