Tube cross-reference
264 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 264 power - beam (not sweep) (over 1000v 100w). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 264
The following tubes are recorded as possible replacements for 264. This direction does not establish that 264 can replace them.
Voltage - Triode (single)
The database records 864 as a possible replacement for264.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Beam (NOT sweep) (over 1000V 100W) | Voltage - Triode (single) |
| Construction | BeamPower | Triode |
| Base | Not recorded | Not recorded |
| Socket | Not recorded | UX4 |
| Base pins | 7 | 4 |
| Sections | 1 | 1 |
| Heater voltage | 6 V | 1.1 V |
| Heater current | 17 A | 0.25 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 264 specifications →