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← 6SN7
Rolling Candidates to replace 6SN7
Small Signal Triode — Octal
⚠ Safety
Drop-In Replacements
✓
6SN7GT
✓
6SN7GTA
✓
6SN7GTB
✓
6SN7W
✓
6SN7WGT
✓
6SN7WGTA
✓
12SN7GT
✓
12SN7GTA
✓
12SX7GT
✓
VT-231
✓
5692
✓
6180
✓
CV1986
✓
CV1988
✓
CV925
✓
CV181
✓
B65
✓
B36
✓
ECC32
✓
ECC33
✓
6N8S
✓
6H8C
✓
6N8P
Top 10 Picks
6BX7
drop-in
6.3V
✓ Safe
ECC34
drop-in
6.3V
⚠ Low Pa
ECC35
drop-in
6.3V
⚠ Low Pa
6SL7
drop-in
6.3V
⚠ Low Pa
Rolling Candidates (102)
i
Heater:
2.5V
0
3.6V
0
3.8V
0
4.2V
0
6.3V
11
●
7V
0
8.4V
1
9V
0
12.6V
2
13V
0
15V
1
17.5V
0
19V
0
25V
1
33V
1
show all (15)
Fit:
Drop-in
1
Adapter
10
Status:
✓ Close
3
✓ Safe
14
⚠ Close, low Pa
20
⚠ Low Pa
65
11 shown (target 6.3V only)
▣ Compact
⚙ Thresholds filter
6.3V Heater
(11 candidates)
Tube
Status ↑
Pa
Ah
Fit
367A
✓ Close
—
0.3
adapter
6BX7
✓ Safe
10
W
1.5
drop-in
6CK4
✓ Safe
12
W
1.25
adapter
EL84
✓ Safe
12
W
0.76
adapter
6BL7
✓ Safe
10
W
1.5
adapter
6S4A
✓ Safe
8.5
W
0.6
adapter
6AH4
✓ Safe
7.5
W
0.75
adapter
6N7
✓ Safe
5.5
W
0.8
adapter
ECC31
✓ Safe
5
W
0.95
adapter
ECC99
✓ Safe
5
W
0.8
adapter
ML6
✓ Safe
5
W
0.7
adapter
Generated 2026-04-22
Status legend →
User Guide →
Rolling FAQ →
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selected
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select 1+ candidate to compare
6SU7
drop-in
6.3V
⚠ Low Pa
367A
adapter
6.3V
✓ Close
6CK4
adapter
6.3V
✓ Safe
6BL7
adapter
6.3V
✓ Safe
6S4A
adapter
6.3V
✓ Safe
6AH4
adapter
6.3V
✓ Safe