Tube cross-reference
17BF11A alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 17BF11A power - beam (not sweep). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 17BF11A
The following tubes are recorded as possible replacements for 17BF11A. This direction does not establish that 17BF11A can replace them.
Power - Beam (NOT sweep)
The database records 17BF11 as a possible replacement for17BF11A.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Power - Beam (NOT sweep) |
| Construction | BeamPower-Pentode | BeamPower-Pentode |
| Base | 12EZ | Not recorded |
| Socket | B12C | B12C |
| Base pins | 12 | 12 |
| Sections | 2 | 2 |
| Heater voltage | 16.8 V | 16.8 V |
| Heater current | 0.45 A | 0.45 A |
Where 17BF11A can be used as the replacement
In these recorded relationships, 17BF11A is the replacement tube. The listed original tubes are not automatically suitable as replacements for 17BF11A.
Power - Beam (NOT sweep)
The database records 17BF11A as a possible replacement for17BF11.
No special restrictions are recorded for this substitution.
| Specification | 17BF11A replacement | Original tube |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) | Power - Beam (NOT sweep) |
| Construction | BeamPower-Pentode | BeamPower-Pentode |
| Base | 12EZ | Not recorded |
| Socket | B12C | B12C |
| Base pins | 12 | 12 |
| Sections | 2 | 2 |
| Heater voltage | 16.8 V | 16.8 V |
| Heater current | 0.45 A | 0.45 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 17BF11A specifications →