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← ECC82
Rolling Candidates to replace ECC82
Small Signal Triode — Noval
⚠ Safety
Drop-In Replacements
✓
12AU7
✓
12AU7A
✓
12AU7WA
✓
B329
✓
CV491
✓
CV4003
✓
CV10323
✓
CV10666
✓
CV8155
✓
CV8221
✓
M8136
✓
5814
✓
5814A
✓
5963
✓
6067
✓
6189
✓
6680
✓
7489
✓
7730
✓
E2163
✓
E82CC
✓
B749
✓
6AU7
✓
ECC802S
Top 10 Picks
12BH7
drop-in
12.6V
✓ Safe
12AZ7
drop-in
12.6V
⚠ Low Pa
A2900
drop-in
12.6V
⚠ Low Pa
12AY7
drop-in
12.6V
⚠ Low Pa
Rolling Candidates (91)
i
Heater:
2.5V
0
3.6V
0
4.2V
0
6.3V
19
7V
1
8.4V
2
9V
0
12.6V
7
●
13V
0
17.5V
0
19V
0
25V
1
show all (12)
Fit:
Drop-in
1
Adapter
6
Status:
✓ Close
2
✓ Safe
28
⚠ Low Pa
61
7 shown (target 12.6V only)
▣ Compact
⚙ Thresholds filter
12.6V Heater
(7 candidates)
Tube
Status ↑
Pa
Ah
Fit
12BH7
✓ Safe
3.5
W
0.3
drop-in
12B4A
✓ Safe
5.5
W
0.3
adapter
12SN7WGT
✓ Safe
5
W
0.3
adapter
2C50
✓ Safe
3.85
W
0.3
adapter
12CG7
✓ Safe
3.5
W
0.3
adapter
7105
✓ Safe
3.5
W
0.6
adapter
12SX7
✓ Safe
2.75
W
0.3
adapter
Generated 2026-04-09
Status legend →
User Guide →
Rolling FAQ →
target +
0
selected
pick 1+ to compare
select 1+ candidate to compare
12B4A
adapter
12.6V
✓ Safe
12SN7WGT
adapter
12.6V
✓ Safe
12CG7
adapter
12.6V
✓ Safe
12SX7
adapter
12.6V
✓ Safe
2C50
adapter
12.6V
✓ Safe
7105
adapter
12.6V
✓ Safe