Tube cross-reference
6373 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 6373 voltage pentode. Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 6373
The following tubes are recorded as possible replacements for 6373. This direction does not establish that 6373 can replace them.
Power - Pentode (NOT beam)
The database records DL70 as a possible replacement for6373.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode | Power - Pentode (NOT beam) |
| Construction | Pentode | Pentode |
| Base | 8CP | Not recorded |
| Socket | IO | WIRE8 |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 1.25 V | 1.25 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 6373 specifications →