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← 12AZ7
12AZ7 — Candidate to replace following?
Small Signal Triode — Noval
⚠ Safety
Jump to:
Equivalents
Your Tube
Top 10
Targets
Equivalents — Same Tube, Different Names
✓
12AZ7A
Top 10 Picks
A2900
drop-in
12.6V
✓ Close
12AY7
drop-in
12.6V
✓ Safe
12BH7
drop-in
12.6V
⚠ Low Pa
ECC802S
drop-in
12.6V
⚠ Low Pa
ECC82
drop-in
12.6V
⚠ Low Pa
Your Tube
Base:
Noval
Heater:
12.6V / 0.225A
Type:
small signal triode
mu:
60
gm:
5.5
mA/V
ra:
10,900
Ω
Ia:
10
mA
Pa:
2.5
W
Cgp:
1.9
pF
Pinout (Noval)
a2
g1_2
k2
h
h
a1
Candidates to replace (7)
Heater:
6.3V
1
12.6V
2
●
show all (2)
Fit:
Drop-in
2
Adapter
0
Status:
✓ Close
2
✓ Safe
1
⚠ Low Pa
4
2 shown (target 12.6V only)
▣ Compact
⚙ Thresholds filter
12.6V Heater
(2 candidates)
Tube
Status ↑
Pa
Ah
Fit
A2900
✓ Close
2.5
W
0.15
drop-in
12AY7
✓ Safe
1.5
W
-40%
0.15
drop-in
Generated 2026-04-09
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target +
0
selected
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g1_1
k1
h