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← 801A
Rolling Candidates to replace 801A
Power Triode — DHT — UX4
⚠ Safety
Drop-In Replacements
✓
801
✓
VT62
✓
CV621
✓
202A
✓
VT-25A
Top 10 Picks
50
drop-in
7.5V
✓ Safe
VT-25
drop-in
7.5V
⚠ Close, low Pa
842
drop-in
7.5V
⚠ Low Pa
RV218
adapter
7.5V
✓ Close
800
adapter
7.5V
✓ Safe
Rolling Candidates (33)
i
Heater:
1.4V
0
1.5V
0
2V
0
2.5V
0
3.3V
0
4V
1
5V
2
6.3V
1
6.5V
0
7V
1
7.5V
3
●
10V
4
11V
1
show all (13)
Fit:
Drop-in
1
Adapter
2
Status:
✓ Close
2
✓ Safe
11
⚠ Close, low Pa
1
⚠ Low Pa
19
3 shown (target 7.5V only)
▣ Compact
⚙ Thresholds filter
7.5V Heater
(3 candidates)
Tube
Status ↑
Pa
Ah
Fit
RV218
✓ Close
24
W
1.1
adapter
50
✓ Safe
25
W
1.25
drop-in
800
✓ Safe
35
W
3.25
adapter
Generated 2026-04-09
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