Tube cross-reference
Z719 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the Z719 voltage pentode - high frequency (single). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for Z719
The following tubes are recorded as possible replacements for Z719. This direction does not establish that Z719 can replace them.
Voltage Pentode
The database records 6BX6 as a possible replacement forZ719.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - High Frequency (single) | Voltage Pentode |
| Construction | Pentode | Pentode |
| Base | Not recorded | 9AQ |
| Socket | Not recorded | B9A |
| Base pins | Not recorded | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Where Z719 can be used as the replacement
In these recorded relationships, Z719 is the replacement tube. The listed original tubes are not automatically suitable as replacements for Z719.
Voltage Pentode
The database records Z719 as a possible replacement for6BX6.
No special restrictions are recorded for this substitution.
| Specification | Z719 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - High Frequency (single) | Voltage Pentode |
| Construction | Pentode | Pentode |
| Base | Not recorded | 9AQ |
| Socket | Not recorded | B9A |
| Base pins | Not recorded | 9 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 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 Z719 specifications →