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← 31
Rolling Candidates to replace 31
Power Triode — DHT — UX4
⚠ Safety
Drop-In Replacements
✓
VT-31
✓
CV947
Top 10 Picks
30
drop-in
2V
⚠ Low Pa
1H4
adapter
2V
⚠ Low Pa
Rolling Candidates (29)
i
Heater:
1.4V
0
1.5V
0
2V
0
●
2.5V
0
3.3V
0
4V
0
5V
0
6.3V
0
7V
0
7.5V
0
10V
0
show all (11)
Fit:
Drop-in
0
Adapter
0
Status:
⚠ Low Pa
29
0 shown (target 2V only)
▣ Compact
⚙ Thresholds filter
No candidates match the selected filters.
Show candidates on other heater voltages (10 additional)
Generated 2026-04-09
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