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← 6B4G
Rolling Candidates to replace 6B4G
Power Triode — DHT — Octal
⚠ Safety
Drop-In Replacements
✓
6S4S
✓
CV1831
Top 10 Picks
Rolling Candidates (21)
i
Heater:
2V
0
2.5V
1
4V
3
5V
2
7V
1
7.5V
3
10V
4
11V
2
Fit:
Drop-in
0
Adapter
16
Status:
✓ Close
4
✓ Safe
12
⚠ Low Pa
5
16 shown
▣ Compact
⚙ Thresholds filter
2.5V Heater
(1 candidates)
i
Tube
Status ↑
Pa
Ah
Fit
2A3
✓ Close
15
W
2.5
adapter
4V Heater
(3 candidates)
i
Tube
Status ↑
Pa
Ah
Fit
AD1
✓ Close
15.5
W
0.95
adapter
PX4
✓ Close
15
W
1
adapter
PX25
✓ Safe
25
W
2
adapter
5V Heater
(2 candidates)
i
Tube
Status ↑
Pa
Ah
Fit
300B
✓ Close
36
W
1.2
adapter
350A
✓ Safe
20
W
2
adapter
7V Heater
(1 candidates)
i
Tube
Status ↑
Pa
Ah
Fit
RV258
✓ Safe
32
W
1.1
adapter
7.5V Heater
(3 candidates)
i
Tube
Status ↑
Pa
Ah
Fit
800
✓ Safe
35
W
3.25
adapter
50
✓ Safe
25
W
1.25
adapter
RV218
✓ Safe
24
W
1.1
adapter
10V Heater
(4 candidates)
i
Tube
Status ↑
Pa
Ah
Fit
242C
✓ Safe
100
W
3.25
adapter
845
✓ Safe
100
W
3.25
adapter
8005
✓ Safe
85
W
3.25
adapter
211
✓ Safe
75
W
3.25
adapter
11V Heater
(2 candidates)
i
Tube
Status ↑
Pa
Ah
Fit
851
✓ Safe
750
W
15.5
adapter
849
✓ Safe
300
W
5
adapter
Generated 2026-04-09
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