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← VT-25
Rolling Candidates to replace VT-25
Power Triode — DHT — UX4
⚠ Safety
Drop-In Replacements
✓
10
✓
10Y
✓
UX-210
✓
CX-310
✓
CV603
✓
1602
✓
VT-25A
Top 10 Picks
801A
drop-in
7.5V
✓ Close
842
drop-in
7.5V
✓ Safe
50
drop-in
7.5V
✓ Safe
RV218
adapter
7.5V
✓ Close
800
adapter
Rolling Candidates (33)
i
Heater:
1.4V
0
1.5V
0
2V
0
2.5V
3
3.3V
0
4V
2
5V
2
6.3V
2
6.5V
1
7V
2
7.5V
5
●
10V
4
11V
1
show all (13)
Fit:
Drop-in
3
Adapter
2
Status:
✓ Close
3
✓ Safe
19
⚠ Low Pa
11
5 shown (target 7.5V only)
▣ Compact
⚙ Thresholds filter
7.5V Heater
(5 candidates)
Tube
Status ↑
Pa
Ah
Fit
801A
✓ Close
20
W
1.25
drop-in
RV218
✓ Close
24
W
1.1
adapter
50
✓ Safe
25
W
1.25
drop-in
842
✓ Safe
12
W
1.25
drop-in
800
✓ Safe
35
W
3.25
adapter
Generated 2026-04-09
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7.5V
✓ Safe