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← KT30
Rolling Candidates to replace KT30
Beam Tetrode — B7G
⚠ Safety
Drop-In Replacements
✓
Y13
✓
CV3519
Top 10 Picks
Rolling Candidates (166)
i
Heater:
2.1V
0
3.15V
0
3.6V
0
4V
0
4.5V
0
6.3V
7
8.4V
0
10V
0
12.6V
0
15V
0
16.5V
0
18.9V
0
19V
0
21V
0
22V
1
25V
0
26.5V
0
30V
0
33V
0
45V
0
Fit:
Drop-in
0
Adapter
8
Status:
✓ Close
8
⚠ Low Pa
158
8 shown
▣ Compact
⚙ Thresholds filter
6.3V Heater
(7 candidates)
i
Tube
Status ↑
Pa
Ah
Fit
6V6
✓ Close
14
W
0.45
adapter
6P6S
✓ Close
13.2
W
0.45
adapter
6AQ5
✓ Close
12
W
0.45
adapter
6HG5
✓ Close
12
W
0.45
adapter
6P1
✓ Close
12
W
0.45
adapter
7C5
✓ Close
12
W
0.45
adapter
EL81
✓ Close
8
W
1.05
adapter
22V Heater
(1 candidates)
i
Tube
Status ↑
Pa
Ah
Fit
PL81
✓ Close
8
W
0.3
adapter
Generated 2026-04-09
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