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← EC88
Rolling Candidates to replace EC88
Small Signal Triode — Noval
⚠ Safety
Drop-In Replacements
✓
6DL4
Top 10 Picks
E88C
adapter
6.3V
✓ Close
6CK4
adapter
6.3V
⚠ Low Pa
6BL7
adapter
6.3V
⚠ Low Pa
6BX7
adapter
6.3V
⚠ Low Pa
6S4A
adapter
6.3V
⚠ Low Pa
EC8020
adapter
6.3V
⚠ Low Pa
6S45P
adapter
6.3V
⚠ Low Pa
6AH4
adapter
6.3V
⚠ Low Pa
3A/167M
adapter
6.3V
⚠ Low Pa
437A
adapter
6.3V
⚠ Low Pa
Rolling Candidates (104)
i
Heater:
2.5V
0
3.6V
0
3.8V
0
4.2V
0
6.3V
1
●
7V
0
8.4V
0
9V
0
12.6V
0
13V
0
17.5V
0
19V
0
25V
0
show all (13)
Fit:
Drop-in
0
Adapter
1
Status:
✓ Close
1
⚠ Low Pa
103
1 shown (target 6.3V only)
▣ Compact
⚙ Thresholds filter
6.3V Heater
(1 candidates)
Tube
Status ↑
Pa
Ah
Fit
E88C
✓ Close
2.6
W
0.155
adapter
Generated 2026-04-09
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