Tube cross-reference
PLL80 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the PLL80 power - pentode (not beam). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for PLL80
The following tubes are recorded as possible replacements for PLL80. This direction does not establish that PLL80 can replace them.
Power - Pentode (NOT beam)
The database records 12HU8 as a possible replacement forPLL80.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Power - Pentode (NOT beam) | Power - Pentode (NOT beam) |
| Construction | Pentode-Pentode | Pentode-Pentode |
| Base | Not recorded | Not recorded |
| Socket | Not recorded | Not recorded |
| Base pins | Not recorded | Not recorded |
| Sections | 2 | 2 |
| Heater voltage | 12 V | 12 V |
| Heater current | 0.3 A | 0.3 A |
Where PLL80 can be used as the replacement
In these recorded relationships, PLL80 is the replacement tube. The listed original tubes are not automatically suitable as replacements for PLL80.
Power - Pentode (NOT beam)
The database records PLL80 as a possible replacement for12HU8.
No special restrictions are recorded for this substitution.
| Specification | PLL80 replacement | Original tube |
|---|---|---|
| Tube type | Power - Pentode (NOT beam) | Power - Pentode (NOT beam) |
| Construction | Pentode-Pentode | Pentode-Pentode |
| Base | Not recorded | Not recorded |
| Socket | Not recorded | Not recorded |
| Base pins | Not recorded | Not recorded |
| Sections | 2 | 2 |
| Heater voltage | 12 V | 12 V |
| Heater current | 0.3 A | 0.3 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 PLL80 specifications →