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← 12AT7
12AT7 — Candidate to replace following?
Small Signal Triode — Noval
⚠ Safety
Jump to:
Equivalents
Your Tube
Top 10
Targets
Equivalents — Same Tube, Different Names
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8739
Top 10 Picks
12AU7
drop-in
6.3V
⚠ Low Pa
Your Tube
Base:
Noval
Heater:
6.3V / 0.3A
Type:
small signal triode
mu:
60
gm:
5.5
mA/V
ra:
10,900
Ω
Ia:
10
mA
Pa:
2.5
W
Cgp:
1.5
pF
Pinout (Noval)
a2
g1_2
k2
h
h
a1
Candidates to replace (6)
Heater:
6.3V
0
●
12.6V
2
show all (2)
Fit:
Drop-in
0
Adapter
0
Status:
✓ Close
1
✓ Safe
1
⚠ Low Pa
4
0 shown (target 6.3V only)
▣ Compact
⚙ Thresholds filter
No candidates match the selected filters.
Show candidates on other heater voltages (1 additional)
Generated 2026-04-09
Status legend →
User Guide →
target +
0
selected
pick 1+ to compare
select 1+ candidate to compare
g1_1
k1
h