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← 50
Rolling Candidates to replace 50
Power Triode — DHT — UX4
⚠ Safety
Drop-In Replacements
✓
VT-50
✓
CV2533
Top 10 Picks
801A
drop-in
7.5V
⚠ Low Pa
842
drop-in
7.5V
⚠ Low Pa
VT-25
drop-in
7.5V
⚠ Low Pa
800
adapter
7.5V
✓ Safe
VT-25A
adapter
7.5V
⚠ Low Pa
RV218
adapter
7.5V
⚠ Low Pa
Rolling Candidates (31)
i
Heater:
1.5V
0
2V
0
2.5V
0
4V
1
5V
2
6.3V
1
7V
1
7.5V
1
●
10V
4
11V
2
show all (10)
Fit:
Drop-in
0
Adapter
1
Status:
✓ Safe
12
⚠ Low Pa
19
1 shown (target 7.5V only)
▣ Compact
⚙ Thresholds filter
7.5V Heater
(1 candidates)
Tube
Status ↑
Pa
Ah
Fit
800
✓ Safe
35
W
3.25
adapter
Generated 2026-04-09
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