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← 5751
5751 — Candidate to replace following?
Small Signal Triode — Noval
⚠ Safety
Jump to:
Equivalents
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Top 10
Targets
Equivalents — Same Tube, Different Names
✓
CK5751
✓
GL5751
✓
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✓
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Z1764
Top 10 Picks
12AX7
drop-in
12.6V
⚠ Low Pa
12AY7
drop-in
12.6V
⚠ Low Pa
12AZ7
drop-in
12.6V
⚠ Low Pa
A2900
drop-in
12.6V
⚠ Low Pa
Your Tube
Base:
Noval
Heater:
12.6V / 0.175A
Type:
small signal triode
mu:
70
gm:
1.2
mA/V
ra:
58,000
Ω
Ia:
1
mA
Pa:
0.8
W
Cgp:
1.4
pF
Pinout (Noval)
a2
g1_2
k2
h
h
a1
Candidates to replace (5)
Heater:
6.3V
0
12.6V
0
●
show all (2)
Fit:
Drop-in
0
Adapter
0
Status:
⚠ Low Pa
5
0 shown (target 12.6V only)
▣ Compact
⚙ Thresholds filter
No candidates match the selected filters.
Show candidates on other heater voltages (1 additional)
Generated 2026-04-09
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User Guide →
target +
0
selected
pick 1+ to compare
select 1+ candidate to compare
g1_1
k1
h