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← 5751
Rolling Candidates to replace 5751
Small Signal Triode — Noval
⚠ Safety
Drop-In Replacements
✓
CK5751
✓
GL5751
✓
5751WA
✓
CV4017
✓
CV8312
✓
Z1764
Top 10 Picks
12AY7
drop-in
12.6V
✓ Safe
12AX7
drop-in
12.6V
✓ Safe
12SC7
adapter
12.6V
⚠ Low Pa
12SF5
adapter
12.6V
⚠ Low Pa
Rolling Candidates (27)
i
Heater:
2.5V
1
6.3V
15
12.6V
2
●
show all (3)
Fit:
Drop-in
2
Adapter
0
Status:
✓ Close
1
✓ Safe
17
⚠ Low Pa
9
2 shown (target 12.6V only)
▣ Compact
⚙ Thresholds filter
12.6V Heater
(2 candidates)
Tube
Status ↑
Pa
Ah
Fit
12AY7
✓ Safe
1.5
W
0.15
drop-in
12AX7
✓ Safe
1
W
0.15
drop-in
Generated 2026-04-09
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