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← 12SN7WGT
12SN7WGT — Candidate to replace following?
Small Signal Triode — Octal
⚠ Safety
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Equivalents
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Equivalents — Same Tube, Different Names
✓
12SN7GT
✓
12SN7GTA
✓
12SX7GT
Top 10 Picks
12SX7
drop-in
12.6V
✓ Close
B36
drop-in
12.6V
✓ Close
Your Tube
Base:
Octal
Heater:
12.6V / 0.3A
Type:
small signal triode
mu:
20
gm:
2.6
mA/V
ra:
7,700
Ω
Ia:
9
mA
Pa:
5
W
Cgp:
3.8
pF
Pinout (Octal)
g1_2
a2
k2
g1_1
a1
k1
Candidates to replace (12)
Heater:
6.3V
7
12.6V
2
●
25V
2
show all (3)
Fit:
Drop-in
2
Adapter
0
Status:
✓ Close
5
✓ Safe
6
⚠ Low Pa
1
2 shown (target 12.6V only)
▣ Compact
⚙ Thresholds filter
12.6V Heater
(2 candidates)
Tube
Status ↑
Pa
Ah
Fit
12SX7
✓ Close
2.75
W
-45%
0.3
drop-in
B36
✓ Close
2.5
W
-50%
0.3
drop-in
Generated 2026-04-09
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