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← RV218
Rolling Candidates to replace RV218
Power Triode — DHT — B4
⚠ Safety
Drop-In Replacements
✓
RV258
Top 10 Picks
50
adapter
7.5V
✓ Safe
800
adapter
7.5V
✓ Safe
801A
adapter
7.5V
⚠ Close, low Pa
VT-25A
adapter
7.5V
⚠ Close, low Pa
VT-25
adapter
7.5V
⚠ Close, low Pa
842
adapter
7.5V
⚠ Low Pa
Rolling Candidates (32)
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
0
7.5V
2
●
10V
4
show all (12)
Fit:
Drop-in
0
Adapter
2
Status:
✓ Safe
10
⚠ Close, low Pa
3
⚠ Low Pa
19
2 shown (target 7.5V only)
▣ Compact
⚙ Thresholds filter
7.5V Heater
(2 candidates)
Tube
Status ↑
Pa
Ah
Fit
800
✓ Safe
35
W
3.25
adapter
50
✓ Safe
25
W
1.25
adapter
Generated 2026-04-09
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